学校运来200棵树苗，老师栽种了10%，余下的按5：4：3分配给甲、乙、丙三个班级，丙班分到多少棵？

从一个长8分米宽6分米的长方形纸上剪下一个最大的圆圆的面积是平方分米．

在母亲节那一天小男孩用一条漂亮的手帕把那支别针包起来然后放在餐桌上想给他的妈妈一个惊喜.wrap

妈妈今年40岁妈妈的年龄是爸爸年龄的小君的年龄是妈妈年龄的．小君今年岁．爸爸今年岁．

已知函数fx＝2sinωx+φ﹣1ω＞0|φ|＜π的一个零点是是y＝fx的图象的一条对称轴则ω取最小值时fx的单调增区间是

在平面直角坐标系xOy中已知点AF分别为椭圆的右顶点和右焦点过坐标原点O的直线交椭圆C于PQ两点线段AP的中点为M若QFM三点共线则椭圆C的离心率为．

Nationalholidayistimeforleisure.ButmakinggooduseoftimeisnoteasyformostChinese. A.aa B.athe C.the/ D.thea

1分Asisjokedbysomepeoplethereisasquarethereissquaredancing. A.because B.when C.since D.where

1分Icansharewithherourtravellingexperiencestakingcareofpetsorwehaveincommon. A.whatever B.whichever  C.nomatterwhat D.nomatterwhich

已知双曲线a＞0b＞0的左焦点为F右顶点为E过点F且垂直于x轴的直线与双曲线交于AB两点•＝0则该双曲线的离心率e为

1分Therearecertainhistoricoccasionsarelikelytoremindpeopleofwhathappenedinthepastandsetpeoplereflectingonthem. A.when B.that C.where D.what

1分﹣Ican'ttoleratethepollutionhereanymore. ﹣!We'venevermadesomanychemicalfactoriesbefore. A.Youmadeit B.Comeoffit  C.Cheerup D.Yousaidit

在中国父母总是竭力庇护孩子免受问题的困扰甚至代替孩子做重要决定而不管孩子想要什么因为他们相信这样做是为孩子好.shelterbenefitn.

如图四棱锥F﹣ABCD中底面ABCD为边长是2的正方形EG分别是CDAF的中点AF＝4∠FAE＝∠BAE且二面角F﹣AE﹣B的大小为90°． 1求证AE⊥BG 2求二面角B﹣AF﹣E的余弦值．

已知fx＝|x﹣1|． 1求函数gx＝fx﹣2|x+1|的最大值为M 2在第1问的条件下设m＞0n＞0且满足求证fm+2+f2n≥2．

学校组织学生参加社会调查某小组共有3名男同学4名女同学现从该小组中选出3名同学分别到甲乙丙三地进行社会调查若选出的同学中男女均有则不同的安排方法有

我国明代伟大数学家程大位在算法统综中常以诗歌的形式呈现数学问题其中有一首竹筒容米问题家有九节竹一茎为因盛米不均平下头三节三升九上梢四节贮三升唯有中间两节竹要将米数次第盛若有先生能算法也教算得到天明意思是九节竹的盛米容积成等差数列其中的三升九指3.9升则九节竹的中间一节的盛米容积为

已知数列{an}的前n项和为Sn且满足a2＝42Sn＝n+1ann∈N*． Ⅰ求数列{an}的通项公式 Ⅱ设bn＝求数列{bn}的前n项和Tn．

已知椭圆C+＝1a＞b＞0的左右焦点分别为F1F2AB为椭圆C上位于x轴同侧的两点△AF1F2的周长为6∠F1AF2的最大值为． Ⅰ求椭圆C的方程 Ⅱ若∠AF1F2+∠BF2F1＝π求四边形AF1F2B面积的取值范围．

与的和比多

货车4小时行180km客车3小时行180km．货车和客车的速度的最简整数比是

刚刚学过体积单位这一单元知识的小明周一回校与同学说昨天去姥姥家自己用水桶挑水给姥姥浇园．每担挑200L．你认为他说得对吗为什么

withourfreshandlow﹣fatdietandyou'llsoonsaygood﹣byetoobesity肥胖. A.Ifyougetstarted B.Gettingstarted  C.Getstarted D.Whengotstarted

RememberingMyFather'sVest Peoplegetintotroublebecausetheydon'tknowenoughtokeepcool.AsachildIhadalotof1thathadbeenheldbackandnotreleased.WorsestillIwasnotgoodat2constructively. OnceasIwasgettingreadyforschoolmymother3memyfather'svestinsteadofmine.ThiswasaroundthetimewhenIwasgoingtobelargerin4thanmyfathersoasIputonthevestIfeltlikeIwasbeingchokedinit!I5thatitwasasmalloversight疏忽onmymother'spartbut6thefeelingofbeingchokeddrownedmeandIgotveryangry. Itookmyangeroutonmymother7thinkingmuch.IwassoupsetwhenshehadhandedmethewrongvestandI8byviolentlytearingitapartfrommychest! Latermymothersharedherown9withmyfatherSeewhatyoursonhasdone. Insteadofscoldingorabusingmemyfather10respondedbyaskingmymotherto11thevest.Hethenworeittoworkthenextday. Whenmymothertoldmeaboutmyfather'sresponsemuchlaterwhenIhad12frommyfitIimmediatelyfeltagreatsenseof13formyviolentbehaviorjust14thathewasspendingtheentiredaywearingan15vest.AtthesametimeIwasfilledwithgreat16formyfatherwhosegentlekindnesstaughtmealifelessonIwouldtreasureforever. OnthatdayImadea17nevertoletangergetthebetterofme.Ilearnto18otherswhenIthinkthattheybehaveinanunfaircruelorunacceptableway19forgivenessisatooltoturnangeroff.AndwheneverIhavedifficulty20mystrongemotionItrytoremembermyfather'svest. 1A.pressure B.anger C.stories D.tears 2A.listening B.debating C.communicating D.working 3A.handed B.sent C.delivered D.carried 4A.size B.weight C.height D.mind 5A.expected B.discovered C.suspected D.realized 6A.anyway B.somehow C.somewhat D.however 7A.without B.beyond C.besides D.despite 8A.performed B.agreed C.reacted D.declined 9A.excitement B.frustration C.enthusiasm D.failure 10A.calmly B.politely C.attentively D.anxiously 11A.saveup B.giveaway C.holdback D.sewup 12A.recovered B.changed C.developed D.benefited 13A.disappointment B.sympathy C.panic D.shame 14A.hoping B.joking C.imaging D.supposing 15A.old B.broken C.torn D.shabby 16A.curiosity B.pride C.envy D.admiration 17A.choice B.decision C.requirement D.compromise 18A.respect B.assist C.appreciate D.forgive 19A.and B.but C.for D.do 20A.controlling B.expressing C.treasuring D.monitoring

已知且共线则向量在方向上的投影为．

1分Usuallydoctorsareunderstandablyaboutnewmedicinesbecauseoftheuncertaintyoftheireffects. A.considerate B.logical  C.optimistic D.cautious

如图在矩形OABC与扇形OCD拼接而成的平面图形中OA＝3AB＝5∠COD＝点E在上F在AB上∠EOF＝设∠AOF＝x则当平面区域OECBF阴影部份的面积取到最大值时cosx＝．

TheancientChinesegameGoisconsideredoneofthemostcomplicatedstrategygames.Winningthegamewasseenasatestofhumancreativity.Thatisuntilamachinefoundawaytodoitbetter.AlphaGoanartificialintelligenceAImachinebuiltbyGooglewonitsfirstmatchagainstSouthKoreanLeeSedolonMarch9.StilldigestinghislossLeesaidduringthepost﹣gamepressconference1Butthatwasjustthebeginning.InthefollowingweekAlphaGooutperformedLeeinanotherthreematches.2 SomepeoplehavebeenarguingthatAIisharmfultothehumanrace.3SimilarlyUKscientistStephenHawkingoncewarnedthatthedevelopmentoffullartificialintelligencecouldspelltheendofthehumanrace. Soarewereallyontheverge边缘oflivingintheworldshownintheTerminator终结者sci﹣fimovies?NotquiteansweredTheEconomist.Afterallit'shardtogetcomputerstoapplytheirknowledgetoeverydaysituations.4ThomasJohnsonsaidfounderofanAItoycompany.Butforarobottowalkupanddownhillsrequiressomanycomplicateddecisionstobemadeinrealtimeandit'sreallydifficulttodo. AsTheEconomistputitWehavealongwaytogobeforeAI'sabilitiestrulybegintoapproachthehumanbraindespitehowpowerfulthetechnologycanbewhenfocusingonasingletask. MeanwhileJohnMarkoffoftheNewYorkTimesarguedthatresearchersshouldbuildartificialintelligencethataimsforintelligenceaugmentation增加IAinwhichcomputersmakepeoplemoreeffective. Hewrote5Sincetechnologydependsonthevaluesofitscreatorswecanmakechoicesusingtechnologytoimprovetheworld. A.Manyrobotsfelloverlikelittlekidslearningtowalk. B.Wetakeforgrantedthingslikebalanceandvision. C.Eventuallyourfateisinourownhands. D.SowhatisnextforAIandhumanity? E.Thatmadethefive﹣matchscore4﹣1infavorofAlphaGo. F.In2014USbusinessmanElonMusksaidatanMITconferencethatdevelopingthetechnologyiscallingupademon魔鬼. G.IaminshockIadmitthat.

已知函数fx＝ex﹣1+lnx﹣mxm∈R的导函数为f′x． Ⅰ当m＝0时求f′x的最小值 Ⅱ若函数fx存在极值试比较emmemm的大小并说明理由．

﹣Thomasdidn'tcometoschoolforthemeetingdidhe? ﹣No.He.Themeetinghadbeencancelled. A.shouldn'thavecome B.shouldnotcome  C.didn'tneedtocome D.wouldn'thavecome

小刚的妈妈买了一件毛衣花了160元占家里这个月支出的2%而小刚买电脑用去本月支出的50%小刚买电脑花了多少钱

已知数列{an}前n项和为Sna1＝2且满足Sn＝+nn∈N*． Ⅰ求数列{an}的通项公式 Ⅱ设bn＝4n﹣2an+1求数列{bn}的前n项和Tn．

8分Eversincewewereyoungwe'vebeenaskedtocompetetomakesurethatwe'rethebestateverythingtoensurethatweorealwaysatthetop.Formostofusitstartswhenwe'reyoung.Wewerenottaughthowtocomeinsecondortobehappythatsomeoneelseisbetterthanyou. Normallywhenweendupnotwinningsomethingorcominginsecondweoftenfindfaultwiththepersonwhoisbetterthanus.Eveniftheydotrulydeservetowinwewouldmakeitapointtofindasmanyfaultsandreasonsastowhythatpersonshouldhovelosttousinstead.I'msureyou'dagreethatsometimeswejusthavetoacceptthatthere'ssomeonebetterthanusatsomethings. Butevennowsomeofyouwouldprobablybestuckatthephrasetobehappythatsomeoneelseisbetterthanyou.Itmightnotmakesensetoyouatall.Howcouldyoubehappywhenyoudidn'twin?Suretheymightbebetterthanyoubutwhywouldyoubehappyaboutit? Thisistheproblemwithcompetition.Itshowshowself﹣centeredweare.Itshowsusthatintheendweonlywantourselvestowinandnooneelse.Manypeoplewoulddenyitbutlet'sberealhowmanyofuscantrulyputourhandstoourheartsandsaythatwearetrulyhappythatthepersonwhowasbetterthanusendedupwinninginsteadofourselves? 32.Accordingtothetextpeoplearetaughttolearntocompete. A.atayoung B.whentheyfindtheirownfaults C.aftergettingsuccess D.whentheycomeinsecond 33.Whydoweoftenpickouttheotherpeople'sfaultswhentheywin? A.Toregretforwhatwehavelost. B.Todenytheyarcbetterthanus. C.Toshowtheytrulydeservetowin. D.Toprovetheyarereallythebest. 34.What'stheusualattitudetowardsthefactthatsomeoneelseisbetterthanus? A.Happy B.Satisfied. C.Unacceptable. D.Indifferent. 35.Accordingtothetextincompetitionpeoplealways. A.keepself﹣centered B.hopetobeselfless C.accepttheirownfaults D.facetheunfairresults.

把化成最简整数比是比值是．

已知复数z＝a∈R是纯虚数则a的值为

已知点Mxy到定点F10的距离和它到直线x＝4的距离比是． 1求点M的轨迹Q的方程 2过点S40作直线l与轨迹Q相交于AB两点BC垂直于x轴且交轨迹Q于点C问直线AC是否过定点若是求出该定点的坐标若不是请说明理由．

函数的部分图象大致为

已知函数fx＝|x+6|﹣|m﹣x|m∈R． I当m＝3时求不等式fx≥5的解集 II若不等式fx≤7对任意实数x恒成立求m的取值范围．

30分完形填空 Myfiance未婚夫andIdecidedtodaywasthedaytotreatourselvestoanicedinner.It41asourdaybutlittledidweknowthatitwouldturnintomuch42.1didn'twantthewholedaytobeaboutwantingto43theofficefortheupcoming44andIdidn'twantittobejustanotherromanticnightfortwo45Idecidedtodosomethingtomakeourselvesandothershappy. Ibeganinsmallways.I46afewmorecoinsintothefoodvendingmachines自动售货机atworkforthestaffsothattherewouldbesomethingforthenext47worker.Ipostedsmilesignsinthehallwhichgave48instructionsonhowtosmileas49enteredtheofficeeitherbeforetheirmorningcupofcoffeeorrightbeforeameetingwiththeirboss.Idraftedsomepowerfulwordsofinspirationoncolorfulstripsofpaperanddecoratedmy50sothatanycolleaguewhocamebymightjust51foramomentreadand52changetheirfeeling. Whenitcametimeforourlovelydinnerto53thatnightIlefttheserverabig54andawell﹣wishingnoteforhertohavean55day.AsmyfianceandIwerejusta﹣bouttoleaveourtablethewaitress56tearsbesideus.Weaskedherto57withusandwejustlistened.Asanemotionalmother﹣to﹣beI58alongwithhertooOurtablefortwowasnowfor59. Itwasadaythatwasnot60oursbutitwasthewaitress'daymyco﹣workers'dayandnowit'syourdaytoo! 41.A.disappeared B.adapted C.started D.finished 42.A.later B.worse C.more D.earlier 43.A.apply B.leave C.find D.care 44.A.speech B.colleague C.love D.dinner 45.A.so B.though C.if D.that 46.A.developed B.hid C.transformed D.put 47.A.full B.sleepy C.angry D.hungry 48.A.few B.slow C.clear D.puzzling 49.A.employees B.managers Cfriends D.bosses 50.A.home B.office C.restaurant D.bedroom 51.A.stop B.run C.eat D.buy 52.A.never B.perhaps C.frequently D.hardly 53.A.change B.open C.arise D.end 54.A.purchase B.tip C.order D.menu 55.A.wonderful B.careful C.busy D.anxious 56.A.lookedinto B.burstinto C.madeinto D.cameinto 57.A.standup B.stayup Cmadeinto D.cameinto 58.A.smiled B.shouted C.cried D.cheered 59.A.three B.four C.five D.six 60.A.ever B.usual C.just D.even

已知双曲线a＞0b＞0的一条渐近线为l圆Cx2+y﹣b2＝4与l交于第一象限AB两点若∠ACB＝且|OB|＝3|OA|其中O为坐标原点则双曲线的离心率为

平行四边形的面积一定底与高成反比例．．判断对错

1分﹣Mr.Whitedoyouhaveanything? ﹣Nonothing.Youcantakearestnow. A.type B.typed  C.totype D.tobetyped

用中位数去估计总体时其优越性是

已知集合M＝{x|+＝1}N＝{y|+＝1}则M∩N＝

挖一条水渠李叔叔每天挖整条水渠的王伯伯每天挖的量是李叔叔每天挖的量的．两人合作几天能挖完

10分Weseetheworldinthreedimensions.Nowwecanprintinthreedimensionsttoothankstoamanufacturingprocess3Dpriming. 3Dprintingoradditivemanufacturingisaprocessofmakingthreedimensionalsolidobjectsfromadigitalfile. Thecreationofa3Dprintedobjectisachievedusingadditivepiocesses.Inanadditiveprocessanobjectiscreatedbylayingdownsuccessive连续的layersofmaterialuntiltheobjectiscreated.Eachoftheselayerscanbeseenasathinlyslicedhorizontill水平的cross﹣sectionoftheeventualobject.Today's3Dprintersarebeingusedtoprinteverythingfromdesignmodelstojewelrycraftsproductpartsbodypartsandevenfood. 3Dprintingstartswithmakingavirtualdesignoftheobjectyouwanttocreate.ThisvirtualdesignisforinstanceaCADComputerAidedDesignfile.ThisCADfileiscreatedusinga3Dmodelingapplicationorwitha3Dscannertocopyanexistingobject.A3Dscannercanmakea3Ddigitalcopyofmobject. Youwillhavetopreparea3Dmodelbeforeitisreadytobe3Dprinted.Thisiswhattheycallslicing.Slicingisdividinga3Dmodelintohundredsorthousandsofhorizontallayersandneedstobedonewithsoftware. Sometimesa3Dmodelcanbeslicedfromwithina3Dmodelingsoftwareapplication.Itisalsopossiblethatyouareforcedtouseacertainslicingtoolforacertain3Dprinter Whenthe3Dmodelisslicedyouarereadytofeedittoyour3Dprinter.ThiscanbedoneviaUSB.SDorWiFi.Itreallydependsonwhatbrandandtype3Dprinteryouhave. Whenafileisuploadedina3Dprinter.theobjectisreadytobe3Dprintedlayerbylayer.I'he3Dprinterreadseveryslice2Dimageandcreatesathreedimensionalobject. Beforeyoupickupa3Dprinterandexperimentinginthe3DworldconsiderhowbigtheobjectsyoumightwanttocreateIfyourgoalistoprintfoot﹣longrulersyou'llfallshortofthatgoaliftheprinteryouchoosecanonlyhandleobjectssmaller6inchesinheightandwidth. Anotherrealitycheckisprintspeed.You'llbeabletoknockoutadaysworthofchores琐事whiletheprimerisrunningwithatypical4﹣inchmodelrequiringasmanyas12hourstoprint.Aswithordinaryprintersprintspeedalsodependsonhowwellitprints. TitleAliegiliners'Gmkto3DPrinting.

今年年初__在告台湾同胞书发表40周年纪念会上的讲话中说道我们要积极推进两岸经济合作制度化打造两岸共同市场为发展增动力为合作添活力壮大中华民族经济两岸要应通尽通提升经贸合作畅通基础设施联通能源资源互通行业标准共通可以率先实现金门马祖同福建沿海地区通水通电通气通桥．要推动两岸文化教育医疗卫生合作社会保障和公共资源共享支持两岸邻近或条件相当地区基本公共服务均等化普惠化便捷化某外贸企业积极响应__的号召在春节前夕特地从台湾进口优质大米向国内100家大型农贸市场提供货源据统计每家大型农贸市场的年平均销售量单位吨以[160180[180200[200220[220240[240260[260280[280300分组的频率分布直方图如图． 1求直方图中x的值和年平均销售量的众数和中位数 2在年平均销售量为[220240[240260[260280[280300的四组大型农贸市场中用分层抽样的方法抽取11家大型农贸市场求年平均销售量在[240260[260280[280300的农贸市场中应各抽取多少家 3在2的条件下再从这三组中抽取的农贸市场中随机抽取2家参加国台办的宣传交流活动求恰有1家在[240260组的概率．

1分IwasonceashamedtoadmitmyweaknessbutnowIhavenosuchfeelingandImyselfmuchdiscomfort. A.grant B.dismiss C.save D.rid

1分Onceyouhaveanwrittenplanthenexttrickistolearnhowtoworkiteffectively. A.solid B.abstract  C.intermediate D.temporary

1分childrenbelievetheycansucceedtheywillneverbecometotallyindependent. A.If B.Since C.Unless D.Though

已知△ABC是锐角三角形abc分别是ABC的对边．若A＝2B则的取值范围是

SomeyearsagoIwasofferedawritingassignmentthatwouldrequirethreemonthsoftravelthroughEurope.IhadbeenaboardacoupleoftimesbutIcouldhardlyclaimtoknowmywayaroundthecontinent.MoreovermyknowledgeofforeignlanguagewaslimitedtoalittlecollegeFrench. Ihesitated.HowwouldI1totallyunfamiliarwithlocalgeographyortransportationsystemssetupinterviewsanddoresearch?Itseemedimpossibleandwithconsiderableregret.Isatdowntowritealetterbeggingoff.Halfwaythrough2youcan'tlearnifyoudon'ttry.SoIacceptedtheassignment. Thereweresomebadmoments.ButbythetimeIhadfinishedthetripIwasanexperiencedtraveler.3IhaveneverhesitatedtoheadforeventhemostremoteofplaceswithoutguidesorevenadvancedbookingsconfidentthatsomehowIwillmanage. Thepointisthatthenewthedifferentisalmostscarybydefinition.4youlearnandasthelearningpilesuptheworldopenstoyou. I'velearnedtoskiat40andflownuptheRhineRiverinaballoon.AndIknowI'llgoondoingsuchthings.It'snotbecauseI'mbraverormoredaringthanothers.5.ButI'llacceptanxietyasanothernameforchallengeandIbelieveIcanaccomplishwonders. A.Buteachtimeyoutrysomething B.AndeverytimewhenIdoanything C.Ican'tspeakitwell D.athoughtranthroughmymind E.I'mnot F.unabletospeakthelanguage G.Andeversince

AlthoughHenryFord'snameiscloselyassociatedwiththeconceptofmassproductionheshouldreceiveequal1forintroducinglaborpracticesasearlyas1913thatwouldbeconsideredadvancedevenbytoday's2.Safetymeasureswereimprovedandtheworkdaywasreducedtoeighthourscomparedwiththeten﹣ortwelve﹣hourdaycommonatthetime.Inorderto3totheshorterworkdaytheentirefactorywasconvertedfromtwotothree4. Inadditionsick5aswellasimprovedmedicalcareforthoseinjuredonthejobwereinstituted.TheFordMotorCompanywasoneofthefirstfactoriestodevelopatechnicalschooltotrainspecializedskilledlaborersandanEnglishlanguageschoolforimmigrants.Someeffortswereevenmadetohirethehandicappedandprovidejobsforformerconvicts. Themostwidelyacclaimedinnovationwasthefive﹣dollar﹣a﹣dayminimumwagethatwasofferedinordertorecruitandretainthebestmechanicsandto6thegrowthoflaborunions.Fordexplainedthenewwagepolicyintermsofefficiencyandprofitsharing.Healsomentionedthefactthathisemployeeswouldbeabletopurchasetheautomobilesthattheyproduced﹣ineffectcreatingamarketfortheproduct.Inordertoqualifyfortheminimumwageanemployeehadtoestablishadecenthomeand7goodpersonalhabitsincludingsobriety沉静严肃thriftiness节俭8anddependability可信任可靠性. Althoughsome9wasdirectedatFordforinvolvinghimselftoomuchinthepersonallivesofhisemployeestherecanbenodoubtthatatatimewhenimmigrantswerebeingtakenadvantageofinfrightfulwaysHenryFordwashelpingmanypeopleto10themselvesinAmerica.

已知k≥﹣1实数xy满足约束条件且的最小值为k则k的值为．

已知定义域为R的奇函数fx若fx＝则f的值．

设向量＝12＝﹣2λ若与共线则•＝．

1分﹣SamcanyoutellmewhatIRLmeans? ﹣ItmeansinreallifetalkingwithsomeoneontheInternetoroverthephone. A.inresponseto B.inrelationto  C.inproportionto D.asopposedto

Meetingpeoplefromanotherculturecanbedifficult.Fromthebeginningpeoplemaysendthewrongsignal.Ortheymaypaynoattentiontosignalsfromanotherpersonwhoistryingtodeveloparelationship. Differentculturesemphasizetheimportanceofrelationshipbuildingtoagreaterorlesserdegree.Forexamplebusinessinsomecountriesisnotpossibleuntilthereisarelationshipoftrust.Evenwithpeopleatworkitisnecessarytospendalotoftimeinsmalltalkusuallyoveraglassofteabeforetheydoanyjob.InmanyEuropeancountries﹣liketheUKorFrance﹣peoplefinditeasiertobuildupalastingworkingrelationshipatrestaurantsorcafesratherthanattheoffice. Talkandsilencemayalsobedifferentinsomecultures.IoncemadeaspeechinThailand.Ihadexpectedmyspeechtobeasuccessandstartalivelydiscussioninsteadtherewasanuncomfortablesilence.Thepeoplepresentjuststaredatmeandsmiled.AftergettingtoknowtheirwaysbetterIrealizedthattheythoughtIwastalkingtoomuch.Inmyowncultureweexpressmeaningmainlythroughwordsbutpeopletheresometimesfeeltoomanywordsareunnecessary. EvenwithinNorthernEuropeculturaldifferencescancauseseriousproblems.CertainlyEnglishandGermanculturessharesimilarvalueshoweverGermansprefertogetdowntobusinessmorequickly.Wethinkthattheyarerude.Infactthisisjustbecauseoneculturestartsdiscussionsandmakesdecisionsmorequickly. Peoplefromdifferentpartsoftheworldhavedifferentvaluesandsometimesthesevaluesarequiteagainsteachother.Howeverifwecanunderstandthembetteramulticulturalenvironmentwillofferawonderfulchanceforustolearnfromeachother. 1Insomecountrieseatingtogetheratrestaurantsmaymakeiteasierforpeopleto. A.developcloserrelations B.sharethesameculture C.gettoknoweachother D.keepeachothercompany 2TheauthormentionshisexperienceinThailandtoshowthat. A.toomanywordsareofnouse B.theEnglishprefertomakelongspeeches C.peoplefromThailandarequietandshybynature D.eventalkandsilencecanbeculturallydifferent 3Accordingtothetexthowcanpeoplefromdifferentculturesunderstandeachotherbetter? A.Bysharingdifferentwaysoflife. B.Byacceptingdifferenthabits. C.Byrecognizingdifferentvalues. D.Byspeakingeachother'slanguages. 4Whatwouldbethebesttitleforthetext? A.MulticulturalEnvironment. B.Cross﹣CulturalDifferences. C.HowtoUnderstandEachOther. D.HowtoBuildUpaRelationship.

WomenhavebeendrivingyellowcabsinNewYorksincethe1940sbut99%ofdriversaremale.Evenamongdriversofcarsbookedbyphoneoronlineonly4%arewomen.ThatmaychangewiththelaunchofSheTaxisanappthatletsfemalepassengersinsistonfemaledriversandviceversa. ItwillbeavailableinNewYorkCityWestchesterandLongIslandandthefirmplanstoexpandtoothercities.StellaMateothefounderisbettingthatquiteafewwomenarenervousandwearyofgettingintocarsdrivenbymen.Theservicemayalsoappealtothosewhosereligiousbeliefsforbidthemtotravelwithunrelatedmen.Eachdriverwearsapinkpashmina.Menwhoaskforaridewillbedirectedtoanothercarservice. SimilarservicesthriveinIndiaSouthAfricaandseveralMiddleEasterncities.Japanhashadwomen﹣onlyrailwaycarriagesonandoffsince1912.KnownashanadenshaflowertrainstheyoffershelterfromthegroperswhomakerushhourinTokyosodisagreeable. ButSheTaxisfacestwospeedbumps.Oneispractical.Demandhasbeensogreatthatthefirmhashadtodecelerateitslaunchuntilitcanrecruit500drivers.Theotherobstacleislegal.ByemployingonlyfemaledriversSheTaxisisobviouslydiscriminatingagainstmen.Sinceanti﹣discriminationlawisnotalwaysappliedwithcommonsensethatmaybeillegal.Andthereisnoshortageofpotentiallitigants诉讼当事人.YellowcabbiesarefuriousatthegrowthofonlinetaxifirmssuchasUber.It'snothardtoimagineaguyfilingsuitsaysSylviaLawofNewYorkUniversityLawSchool.SheTaxis'defencewouldprobablybethatitsdriversareallindependentcontractors. Becausethefirmcatersonlytowomenitisdiscriminatingagainstmalecustomerstoo.IsthatlegalAngelaCornellofCornellLawSchoolthinkstherecouldbealoophole.NewYork'sHumanRightsCommissioncouldmakeanexemptiononthegroundthatSheTaxioffersaservicethatisinthepublicinterestwomenfeelsafernotgettingintocarswithstrangemen.Women﹣onlycollegesareallowedsowhynotwomen﹣onlycabsThesnagisthatsomemenmayalsofeelsafergettingintocabswithfemaledrivers.Astudyin2010foundthat80%ofcrashesinNewYorkCitythatkillorseriouslyinjurepedestriansinvolvemaledrivers.Womendriversaresimplybetter. 1ItcanbeinferredthattheserviceofSheTaxismayappealto. A.womenwhoarenervousabouttaxidrivers B.womenwithcertainreligiousbeliefs C.womenwhoaretiredoftakingtaxis D.menwhoaskforaride 2ThewordgropersPara.3probablyrefersto. A.peoplewhocauseatrafficjam B.menwhomakesexualharassmenttowomen C.menwhocausetherushhourinTokyo D.peoplewhomaketakingtrainsdisagreeable 3IfSheTaxisisaccusedofdiscriminatingagainstmenitmay. A.decelerateitslaunchasanonlinetaxifirm B.employbothmaleandfemaledrivers C.makeanti﹣discriminationlawnotapplicable D.springtothedefenceofitsdrivers 4SheTaxismaybeexempt被豁免的fromillegalitybyNewYork'sHumanRightsCommissionbecause. A.itsserviceprovidedisbasedonthepublicinterest B.itdiscriminatesagainstmalepassengers C.itprovidesservicealsoformalepassengers D.itdecreasescrashescausedbymaledrivers

1分It'soverthreeyearssincethereleaseofanimationFrozenbuttheicyqueenandherfrozenempirearestillstayingputinthespotlightasifthemovieonlylastmonth. A.werereleased  B.hadbeenreleased  C.wouldhavebeenreleased  D.wasreleased.

函数fx＝Asinωx+φA＞0ω＞0的部分图象如图所示则f0的值是

RidingSchool Youcanstarthorse﹣ridingatanyage.Chooseprivateorgrouplessonsanyweekday.Thereare10kilometersoftracksandpathsforleisurelyridesacrossfarmlandandopencountry.Youwillneedaridinghat. OpeningHoursMondaythroughFriday900a.m.﹣830p.m.330p.m.onSaturdays Phone412396﹣6754Fax412396﹣6752 SailingClub OurYoungSailor'sCourseleadstotheStage1Sailingqualification.Youwilllearnhowtosailsafelyandthecoursealsocoverssailingtheoryandfirstaid.Havefunwithothercoursemembersafterwardsintheclubroom.Thereare10weeklytwo﹣hourlessons. OpeningHoursTuesdays600p.m.﹣800p.m. Phone412396﹣6644Fax412396﹣6644 DivingCentre Ourexperiencedinstructorsofferone﹣monthcoursesindeep﹣seadivingforbeginners.Therearetwoeveninglessonsaweekinwhichyoulearntobreatheunderwaterandusetheequipmentsafely.Youonlyneedswimmingcostumeandatowel.Reducedratesforcouples. OpeningHoursMondayandFriday630p.m.﹣830p.m. Phone412396﹣6312Fax412396﹣6706 MedicalCenter ThestaffoftheMedicalCenteraimtoprovideconvenientandcomprehensivemedicalcaretostudentsandstaffoftheuniversity.Thecenteriswellequippedandthestaffherearetrainedtodealwithabroadrangeofmedicalproblems.Bothfemaleandmaledoctorsaswellasnursingstaffareavailableforconsultation.Alsoallkindsofmedicinesaresoldhereandarecheaperforstudentsthanotherdrugstores. OpeningHours24hoursfromMondaytoSunday Phone412396﹣6649Fax412396﹣6648 WatersportsClub Weuseatwo﹣kilometerlengthofriverforspeedboatracingandwater﹣skiing.Abeginners'courseconsistsoften20﹣minutelessons.Youwilllearntohandleboatssafelyandconfidentlybutmustbeabletoswim.Theclubisinaconvenientcentralpositionandisopendailyfrom9a.m.to4p.m.withlessonsallthroughtheday. OpeningHoursMondaythroughFriday900a.m.﹣400p.m. Phone412396﹣6899Fax412396﹣6890 1Ifyouwanttoswimandenjoyactivitieswhicharefastandabitdangerousyoushouldjoin. A.DivingCentre B.RidingSchool C.WatersportsClub D.SailingClub 2Ifyouwanttoexperienceanewactivityinthecountrysideinthemorningsyoumayfax. A.412396﹣6752 B.412396﹣6648 C.412396﹣6890 D.412396﹣6706 3Ifyouareplanningtoexploretheoceandepthsyoushouldattendyourlessonsat. A.MondaythroughFriday900a.m.﹣830p.m. B.24hoursfromMondaytoSunday C.Tuesdays600p.m.﹣800p.m. D.MondayandFriday630p.m.﹣830p.m. 4WhichisNOTtheconveniencethattheMedicalCenterprovides? A.Welltrainedstaffmembers. B.Nurseryfornewly﹣bornbabies C.Goodequipment. D.Variouslessexpensivemedicines.

1分﹣I'mhungry.Doyouwanttogetmuchlunchnow? ﹣Sure.Let'strytheSafariCafé.I'mintheforahamburgerandFrenchfries. A.emotion B.mood C.fancy D.vision

杨嫂在再就业中心的扶持下创办了润扬报刊零售点经营某种晚报杨嫂提出了如下信息 1买进每份0.2元卖出每份0.3元 2一个月内有20天每天可以卖出200份其余每天只能卖出120份 3一个月内每天从报社买进的报纸份数必须相同当天卖不掉的以每份0.1元退回报社． 杨嫂今年6月每天买进该种晚报150份这个月的利润是多少元

已知函数fx＝ex+e﹣x则下列结论正确的是

图是函数y＝Asinωx+φx∈R在区间上的图象为了得到这个函数的图象只要将y＝sinxx∈R的图象上所有的点

在直角坐标系xOy中抛物线Cy2＝4x的焦点为F准线为lP为C上一点PQ垂直l于点QMN分别为PQPF的中点直线MN与x轴交于点R若∠NFR＝60°则NR＝

如图1已知正方体ABCD﹣A1B1C1D1的棱长为2P为棱AA1的中点MNQ分别是线段A1D1CC1A1B1上的点若三棱锥P﹣MNQ的俯视图如图2则三棱锥P﹣MNQ的体积最大值为

已知数列{an}是等比数列数列{bn}是等差数列若b1+b6+b11＝7π则的值是

吨的是吨小时的是2小时．

Thereisatreadintravellingthatissweepingthenation﹣it'sbeingcalledvoluntourism.ForeigndestinationsareattractingAmericancitizenswhowanttosightseewhileatthesametimeengageincommunityservice. Photosonawallareofrecentvisitstoanorphanage孤儿院inIndia.It'satripJimInnersfirstmadeafterlookingamoremeaningfulwaytoseetheworld.ThroughtheAustin﹣basedMiracleFoundationInnershastraveledtoIndiathreetimesaspartofagrowingtrendcalledvoluntourismwhichcombinesforeigntravelwithcharitywork. You'reliving.You'renotjustsendingachecktohelpsomebodybutyouhavealittlegirlalittleboy.You'retheirlifelinetoanewlife.saidInnersSiliconLabsco﹣founderNavSoochrecentlyraisedmoneytobuildavillagefororphansinIndiaandhastraveledthereseveraltimes.Hesaysit'spossibletosightseeandservetheneedy. IthinkitwouldbeashametogotoIndiaandnotseetheTajMahal.It'sawonderfulplaceandIthinkyoucanhavethataswellastherealinteractionwithrealpeople.saidSooch. We'vehadallages.We'vehadfrom21/2withafamilyallthewayuptoan82﹣year﹣oldandthat'sthebeautyofthesetrips.saysBarbaraJoubert.Sheplansthe9﹣dayjourneysonbehalfoftheMiracleFoundation.Shesaysitappealstothosewhowanttogiveback.Sothemostbasicworkorwhatyou'redoingthereislovingthekidsandit'snothard.saidJoubert. Spendingtimewithallthesekidshasbeenwonderful.saysInners.VoluntourismwilltakeJimInnersbacktoPinkythegirlwhocallshimPapaJim. 1Accordingtothetextvoluntourism. A.iskindoftravelorganizedbytravelcompanies B.isawayofearningmoneybytraveling C.isacertaintravelwhileofferingcommunityservice D.iskindoftraveltoenjoythelocalcultures 2AccordingtothetexttheMiracleFountain. A.isintendedtohelpthepoorareas B.mainlyhelpsplanvoluntourism C.belongstoalargetravelcompany D.isorganizedtoofferserviceinIndia 3WhatdoesInnersmeanbysayingYou'retheirlifelinetoanewlife.inparagraph3? A.You'llhavetolookaftertheirfuturelife. B.Youneedtosendmoneytohelpthepoor. C.Youwillallowthemtobeyourfamilymembers. D.Youhaveagreateffectontheirfuturelife. 4What'sthepurposeofthetext? A.Tomakevoluntourismmorepopular. B.Topersuadereaderstohelpthepoor. C.Togiveyouadviceonvoluntourism. D.Tointroducereadersvoluntourism.

已知F是椭圆的右焦点直线与C相交于MN两点则△MNF的面积为

假定你是李华对中国传统医药很感兴趣.你获悉中国药学家屠哟哟因发现了青篙素被授予2015年诺贝尔生理学或医学奖.请给你的美国朋友David发一封邮件分享此消息.信件须包括以下内容 心情骄傲和激动. 评价她找到了治疗疟疾的方法数千万人从中受益. 志向立志考入屠哟坳的母校北大造福人民. 注意1.词数100左右 2.可以适当增加细节以使行文连贯 3.开头和结尾已为你写好. 参考词汇 1.药学家pharmacologist 2.青篙素artemisinin 3.2015年诺贝尔生理学或医学奖The2015NobelPrizeinPhysiologyorMedicine 4.疟疾malaria DearDavid

设函数fx＝2|x﹣1|+|x+2|． Ⅰ求不等式fx≥4的解集 Ⅱ若不等式fx＜|m﹣2|的解集是非空集合求实数m的取值范围．

Indianpolicecannotdecidewhethertotreatitasanextremelycleveractofstealingoranevencleverercheat.Eitherwayitcouldbetheperfectcrimebecausethecriminalsarebirds﹣homingpigeons! Thecrimebeginswithatelephonemessagetotheownerofastolencarifyouwantthecarbackpayup.Thenthecarownerisdirectedtoaparktoldwheretofindabirdcageandhowtoattachmoneytotheneckofthepigeoninside.Carryingthemoneyinatinybagthepigeonfliesoff. Therehavebeenatleastfoursuchpigeonpick﹣upsinIndia.Whatatfirstseemedliketheworkofacleverstay﹣at﹣homecarthiefhowevermayinfactbetheworkofanevenlazierandmoreinventivecriminalmind﹣onethatavoidsnotonlycollectingmoneybutgoingouttostealthecarinthefirstplace.PoliceofficerMohammedsaysthatthecriminalprobablyhaspulledadoubletrickhegetsmoneyforthingshecannotpossiblyreturn.Insteadofstealingcarsheletssomeoneelsedoitandthenwaitsforthecar﹣ownertoplaceanadvertisementinthenewspaperaskingforhelp. Thetheoryissupportedbythefactthatsofarnoneofthestolencarshavebeenreturned.Alsotheamountofmoneydemanded﹣under30000rupees﹣seemstoolittleforacarworthmanytimesmore. Demandsforpigeon﹣deliveredmoneystoppedassoonasthepressreported thestory.AndeveniftheystartagainMohammedholdslittlehopeofcatchingthecriminal.Wehavemoreimportantthingstodohesaid. 1Afterthecarownerreceivedaphonecallhe. A.wenttoacertainpigeonandputsomemoneyinthebagitcarried B.gavethemoneytothethiefandhadhiscarback C.sentsomemoneytothethiefbymail D.toldthepressaboutit 2Thelazierandmoreinventivecriminalrefersto. A.thecarthiefwhostaysathome B.oneofthepolicemeninIndia C.theownerofthepigeons D.oneofthosewhoputtheadsinthepaper 3Thewritermentionsthefactthatnoneofthestolencarshavebeenreturnedtoshow. A.themoneypaidistoolittle B.thethiefisextremelyclever C.howeasilypeoplegetfooledbycriminals D.whatMohammedthinksmightbecorrect 4Wemayinferfromthetextthatthecriminalknowshowtoreachthecarownersbecause. A.helivesinthesameneighborhood. B.hereadstheadsinthenewspaper. C.hehasseenthecarownersinthepark. D.hehastrainedthepigeonstofollowthem.

20分Ipromiseyoutherewillneverbeaperfecttimetodoanythinginyourlife.36willeverfeel100%certainormakeperfectsensetoyouandeveryoneelse.Therewill37beaperfecttimetofallinloveortotraveltheworld.Youwillneverhaveenoughtrainingenoughpreparationorenoughmoney.And38thisevenwhenyoufeelreadytotakeabravestepintothe39otherswilllikelytryto40yououtofit.Becausetheywon'tfeelreadythemselvesandyourambitionandbraverywill41theirlevelsofcomfort.Butyoudon't42themanexplanationoranyotherpersonal43youdon'twanttomake.Thisisratherdifficultto44atfirst. Waitingtofeel100%readyorsureisthe45wayinwhichwecheatourselvesoutofwonderfullifeexperiences.Ichallengeyouto46freeyourselffromthisself﹣limitingstateofmind.Bookthatplaneticketevenifyoufeellotsof47.Signupforthateducationalcourseevenifyouhavenoidea48itwillgo.TrustmewhenItellyouitwillallcometogetherforthe49. Whenyoumeetyourdreamswith50whenyoumeetthemwithmentalandphysicaldevotionyou51yourtrustintheactofLIVING.Youmakeyourdreamsa52insteadoflineitemsonalist.Andthat'sgoodbecauseyourdreamsare53tobeexperiences.Youhaveto54themoutintherealworldtoknowifthey'repossibleandworthwhileadventuresinthelongrun. Asyou55onthisnewjourneyoflivingrememberthatsomepeoplearoundyouwillnaturallybetakenaback.Butaslongasyouaren'thurtingthemyoudon'towethemanythingthattakesawayyourpowertomoveforwardwithyourlife. 36.A.Something B.Nothing C.Anything D.Everything 37.A.never B.always C.occasionally D.forever 38.A.despite B.for C.from D.after 39.A.impossible B.unknown C.beautiful D.true 40.A.help B.cheat C.talk D.get 41.A.improve B.remove C.increase D.challenge 42.A.offer B.give C.allow D.owe 43.A.excuse B.decision C.sacrifice D.profits 44.A.refuse B.grasp C.admit D.confirm 45.A.hardest B.bitterest C.easiest D.dullest 46.A.automatically B.casually C.vainly D.consciously 47.A.uncertainty B.comfort C.anxiety D.hopelessness 48.A.how B.when C.why D.whether 49.A.worse B.better C.closer D.deeper 50.A.difficulty B.doubt C.intention D.success 51.A.carry B.remove C.experience D.invest 52.A.reality B.priority C.burden D.relief 53.A.meant B.listed C.realized D.entitled 54.A.check B.bring C.work D.test 55.A.wander B.rest C.progress D.hesitate

1分AsadoctorIspendmostofthetimewithmypatientsandthat'sitisinmyday. A.how B.when C.why D.where

已知椭圆C＝1a＞b＞0的离心率为以椭圆长短轴四个端点为顶点的四边形的面积为4． Ⅰ求椭圆C的方程 Ⅱ如图所示记椭圆的左右顶点分别为AB当动点M在定直线x＝4上运动时直线AMBM分别交椭圆于PQ两点求四边形APBQ面积的最大值．

某公司计划购买1台机器该种机器使用三年后即被淘汰．在购进机器时可以一次性额外购买几次维修服务每次维修服务费用200元另外实际维修一次还需向维修人员支付小费小费每次50元．在机器使用期间如果维修次数超过购机时购买的维修服务次数则每维修一次需支付维修服务费用500元无需支付小费．现需决策在购买机器时应同时一次性购买几次维修服务为此搜集并整理了100台这种机器在三年使用期内的维修次数得下面统计表 记x表示1台机器在三年使用期内的维修次数y表示1台机器在维修上所需的费用单位元n表示购机的同时购买的维修服务次数． 1若n＝10求y与x的函数解析式 2若要求维修次数不大于n的频率不小于0.8求n的最小值 3假设这100台机器在购机的同时每台都购买10次维修服务或每台都购买11次维修服务分别计算这100台机器在维修上所需费用的平均数以此作为决策依据购买1台机器的同时应购买10次还是11次维修服务

8分Atatimewhenmanystudentsstillseecollegeastheirbesthopeforarewardingcareerhighereducationhasbecomemoreexpensivefarmorethanthesteadyincreaseinthecostofliving.Asaconsequenceaveragestudentdebtatgraduationiscurrentlypushing$30000.Insomecasesstudentdebtreachessixfigures. Butfallingbeyondthereachofthesefrighteningstatisticsaremanycapablestudentswhodon'taccumulatestudentdebtbecausetheycan'taffordtogotocollegeinthefirstplace. WhichraisesaquestionWouldn'tournationbebetteroffifallAmericanstudentswereencouragedorevenassistedbypublicpolicytopushtheirintellectualcapacitiestotheirmaximums?Whatifallhighereducationinourcountrywereextremelyaffordable?Orevenfree? AsithappenstheAssociatedPressreportedthatbothOregonandTennesseeareconsideringthefeasibility可行性ofno﹣tuitionpoliciesfortheircommunitycolleges. ThelogicbehindtheseeffortsiswellexplainedbyOregonStateSenatorMarkHassIthinkeverybodyagreesthatwithahighschooleducationbyitselfthereisnopathtothemiddleclass.Thereisonlyonepathanditleadstopoverty.Andpovertyisveryexpensive. Hassmayoverstatethecaseslightly.Despitethelackofgoodblue﹣collarjobsinourcountryobsthatwouldfirmlyestablishaworkerinwhatt'sleftofthemiddleclassandprovidepaidvacationapensionandhealthinsurancehighschoolgraduatemightstillpiecetogetherenoughworktokeephimselfmoreorlessabovethepovertylineeventhoughaccesstothetrueAmericanDreamwillstillbeverydifficult. ButthesecondpartofHass'sargumentisundeniable.Ourfailuretoeducateourselvestoourfullpotentialisveryexpensive.HassreferstoresearchfromtheOregonUniversitySystemthatindicatesthatOregonianswithonlyahighschooldegreemakelessmoneyandthereforepayfewertaxesthanthosewithcollegedegrees.Theyarealsomorelikelytorequirefoodstampsandothersortsofpublicassistance.RepublicansandDemocratsagreeonthis. Clearlythecloserwecometoreachingourfulleducationalcapacityasindividualsandasanationthelesslikelywearetobecomecriminalsandprisoners.Infactit'shardtothinkofasocialillthat'sunlikelytobeimprovedbymoreeducation. Butofcoursethere'snosuchthingasfreecollege.Thetaxpayershavetocomeupwiththemoney. Butwouldourcountrybebetteroffifallstudentshadarealopportunitytopushtheireducationalcapacitiestothelimit?Ofcourse.Therearelong﹣termsocialbenefitsthatideologyfoolsusintobelievingareunattainable.ButversionsofthesegoodsandothershavebeenachievedelsewhereandtheycouldbeachievedintheUnitedStatesaswell.Theymayrequiresomeremedy矫正补救toournation'sunfairredistributionofwealthinthedirectionofthealready﹣wealthybutmoreequalityinincomeandwealthwouldbeahealthystepaswell. SogoodforyouOregonandTennessee.Mostoftheworld'sproblemscomefromignoranceintolerancegreedandbackwardness.Educationisaveryimportantremedy. 62.What'stheproblemwiththecurrentcollegeeducation? A.Itcan'tpreparestudentsforapromisingfuture. B.Itfailstorecognizeandadmittalentedstudents. C.Itbecomeslessaccessibletostudentsfinancially. D.Itlacksasetofevaluatingcriteriaforstudents. 63.Accordingtothepassageagraduatewithonlyahighschooldegreewill. A.likelybecomeanestablishedworker B.havenomeanstomakealiving C.neverbeamemberofmiddleclass D.findithardtorealizeAmericanDream 64.WhatdoestheunderlinedpartinParagraph5probablymean? A.Poorpeopleareacostlyburdentosociety. B.Poorfamiliescan'taffordschooling. C.Educationforpoorchildrenisexpensive. D.Povertyisrelatedtohigheducationfees. 65.What'sthepurposeoftheauthorwritingthispassage? A.Todescribethelong﹣termplansforeducation. B.Toargueforfreehighereducation. C.Toexplaintheimportanceofeducation. D.Tofightagainstunfairwealthdistribution.

己知函数若f[f0]＝2则实数a的值是．

在直角坐标系xOy中曲线C1的参数方程为α为参数．P是曲线C1上的动点将线段OP绕O点顺时针旋转90°得到线段OQ设点Q的轨迹为曲线C2．以坐标原点O为极点x轴正半轴为极轴建立极坐标系． Ⅰ求曲线C1C2的极坐标方程 Ⅱ在Ⅰ的条件下若射线与曲线C1C2分别交于AB两点除极点外且有定点M40求△MAB面积．

ThehabitofreadingisoneofthegreatestresourcesknowntomankindandIenjoyreadingbooksthatbelongtomemuchmorethaniftheyareborrowed.Aborrowedbookislikeaguestinthehouseanditshouldbetreatedwithcare.Youcannotleaveitcarelesslyyoucannotmarkitandyoucannotuseitasyoulike.Andthensomedayyoureallyoughttoreturnit.Ifitisadistinguishedguestitreallymakesyoufeelemptywhenheorsheleaves.It'sthesamewithagoodbook. Howeveryourownbooksbelongtoyou.Booksareforusenotforshowyoushouldownnobooksthatyouareafraidtomarkuporafraidtoplaceonthetablewideopenandfacedown.Agoodreasonformarkingfavoritepassagesinbooksisthatthispracticeenablesyoutoremembermoreeasilythesignificantpassagesandtorefertothemquickly. Oneshouldhaveone'sownbookshelveswhichshouldnothavedoorsglasswindowsorkeystheyshouldbefreeandeasytouse. Mydevotiontoreadinghasnevermademeapersonwholivesalone.Howcoulditbe?Booksareofthepeoplebythepeopleandforthepeople.Literatureisanimmortalpartofhistoryitisthebestandmostlastingpartofpersonality.Thetruthofourlifeisthatthegreatdeadarebeyondourreachandthegreatlivingareusuallyalmostasunreachableasforourpersonalfriendswecannotalwaysseethem.Perhapstheyareasleeporawayonajourney.Bookfriendshaveanadvantageoverlivingfriendsyoucanenjoythemosttrulynoblesocietyintheworldwheneveryouwant.AndyoucanatanymomenttalkwithShakespeareorDumasorothergreatmeninbooks. 1Whydoestheauthorsayhelikeshisownbooksmuchmorethanborrowedones?nomorethan20words 2PleaseexplaintheunderlinedimmortalinEnglish.nomorethan1words 3Whatdoestheauthortellusinthelastparagraph?nomorethan10words 4Whatisthemainideaofthepassage?nomorethan10words 5Whatisyouropinionaboutreadingbooks?nomorethan20words

已知函数fx＝1≤x≤2则函数gx＝2fx+fx2的值域为

已知集合A＝{x|x+1＞0}B＝{x|log2x＜1}则A∩B＝

TheChineseweightliftingteamreallydidanexcellentjob!Theyareallheroesofournation.Ithinktheyreallypraiseandawards. A.confirm B.declare C.announce D.deserve

如图为一块边长为2km的等边三角形地块ABC为响应国家号召现对这块地进行绿化改造计划从BC的中点D出发引出两条成60°角的线段DE和DF与AB和AC围成四边形区域AEDF在该区域内种上草坪其余区域修建成停车场设∠BDE＝α． 1当α＝60o时求绿化面积 2试求地块的绿化面积Sα的取值范围．

设数列{an}的各项均为正数a123a225an22n+1成等比数列bn＝1+1og2an数列{bn}的前n项和为Tn． 1求数列{an}的通项公式及{bn}的前n项和 2令cn＝设数列{cn}的前n项和为Sn求S2n．

在直角坐标系xOy中以坐标原点O为极点以x轴正半轴为极轴建立极坐标系直线l的极坐标方程为设点P是曲线上的动点求P到直线l距离的最大值．

如图所示四棱锥P﹣ABCD的底面是边长为2的正方形平面PAD⊥平面ABCDPA⊥AD∠PDA＝45° 1求证平面PAD⊥平面PCD 2设F为PC的中点问边AB上是否存在一点E使EF∥平面PAD并求此时点E到平面PCD的距离．

6分Ishouldhavebeenbornwithmyfingerspermanentlygluedtoakeyboard.SinceIwasfiveI'veknownthatIwanttobeaprofessionalwriterajournalistanovelistamodern﹣dayShakespearemaybe.InmyfreshmanyearItriedtofigureoutwhatAMidsummerNight'sDreamandTheTragedyofJuliusCaesarwereabout.Macbethinmysophomoreyearwasmucheasiertounderstand. HoweverI'mpracticallyaddictedtobookswhetherI'mreadingorwritingthem.Ican'tgoasingledaywithoutwritingsomething.IfIdo.IfeelpainsinmyfingersthatwontgoawayuntilIpickupapenandjustletmythoughtsoutIcanbeinspiredbyanythinganexpressionasongamovie.OnceIgetinspiredit'slikethewheelsturningfasterandfasterasIthinkoutonepossiblestoryafteranother. MyfamilyissowidespreadthatwheneverImeetwithacousinoranauntIonlyvagueyremember.ItellhimorherTmawriterbecauseIknowitwilldistinguishmefromalltheotherkidsinthefamilyandmakemememorable.OneaunthuggedmeandtoldmeJustdon'tforgetabouttherestofuswhenyoubecomethenextJ.K.Rowling.SmilingIrepliedDon'tworryIwon't. MaybeIjustwanttoleavemynameontheworldsinceIcan'tsingtocreateagreatworkofart﹣althoughIamaprettygoodactorbutactingdoesn'tseemliketherightpathforme﹣I'vechosenwritingtomakeanameformyself. 25.Whentheauthorwasachildhe. A.setwritingashislifegoal B.wasfamousforhiswriting C.sharedhisstorieswithothers D.consideredhimselfagreatwriter 26.Accordingtothetexttheauthorlikeswritingprobablybecause. A.heexpectstobecomewealthier B.heplanstomakefulluseofhistime C.hewantstobecomewell﹣known D.hehopestosetanexampletohispeers 27.Whatcanbethebesttitleforthetext? A.Nevergiveupyourdream B.Agoodhobbyagoodfriend CJustlikewritingfromnowon D.Amodern﹣dayShakespearemaybe.

PeopleintheUnitedStateshonortheirparentswithtwospecialdaysMother'sDayonthesecondSundayinMayandFather'sDayonthethirdSundayinJune. Mother'sDaywasproclaimedadayfornationalobservancebypresidentWoodrowWilsonin1915.AnnJarvisfromGraftonWestVirginiahadstartedtheideatohaveadaytohonormothers.ShewastheonewhochosethesecondSundayinMayandalsobeganthecustomofwearingacarnation. In1909Mrs.DoddfromSpokaneWashingtonthoughtoftheideaofadaytohonorfathers.ShewantedtohonorherownfatherWilliamSmart.Afterhermotherdiedhehadtheresponsibilityofraisingafamilyoffivesonsandadaughter.In1910thefirstFather'sDaywasobservedinSpokane.SenatorMargaretChaseSmithhelpedtoestablishedFather'sDayasanationalcommemorativedayin1972. Thesedaysaresetasidetoshowloveandrespectforparents.Theyraisetheirchildrenandeducatethemtoberesponsiblecitizens.Theygiveloveandcare. Thesetwospecialdaysarecelebratedinmanydifferentways.OnMother'sDaypeoplewearcarnations.Aredonesymbolizesalivingmother.Awhiteoneshowsthatthemotherisdead.Manypeopleattendreligiousservicestohonorparents.Itisalsoadaywhenpeoplewhoseparentsaredeadvisitthecemetery.Onthesedaysfamiliesgettogetherathomeaswellasinrestaurants.TheyoftenhaveoutdoorbarbecuesforFather'sDay.Thesearedaysoffunandgoodfeelingsandmemories. 1AccordingtothepassagewhichofthefollowingaboutthesecondSundayinMayisnottrue? A.Itisadaytoshowlovetomothers B.Itisadaytowearcarnations C.Itisadayforpeopletovisitthecemetery D.Itisadayformanypeopletoattendreligiousservices 2Choosetherighttimeorderofthefollowingevents. a.Thefirstfather'sDaywasobserved b.Mother'sDaywasproclaimedadayfornationalobservance c.Father'sDaybecameadayfornationalobservance d.Theideaofhonoringfatherswasboughtup A.abcd B.dabc C.bacd D.dacb 3WhoplaysthemostimportantroleinFather'sdaybecominganationalcommemorativeday? A.Mrs.Do B.MargaretChaseSmith C.AnnJarvis D.WoodrowWilson 4FromthepassageweknowintheU.S. A.oneshouldweararedcarnationifone'smotherpassaway B.onMother'sDayfamiliesoftengoouttohavebarbecues C.onFather'sDaypeopleoftenstayathometocelebratethespecialday D.Thepurposetohavethesetwospecialdaysistoshowlovetoparents 5Theauthor'spurposeofwritingthispassageisto. A.callonpeopletoloveandrespecttheirparents B.introduceMother'sDayandFather'sDay C.tellthedifferencebetweenMother'sDayandFather'sDay D.showhowimportantfathersandmothersare

10分WritteninthefirstchapterofthebookPrideandPrejudiceisanextraordinarysentenceofwhichevenapersonwhohashadonlyabrieflookuponthebookwillnotfailtoreceiveadeepimpression﹣﹣﹣Itisatruthuniversallyacknowledgedthatasinglemaninpossessionofagoodfortunemustbeinwantofawife.IntermsofSherlockHolmeswe'dbetteralterthesentenceintoItisafactuniversallyacceptedbyreadersthroughouttheworldthatanexcellentbookinpossessionofourfamousdetectiveSherlockHolmesisundoubtedlyamasterpieceofalltimes.PerhapsthisisoneofthemostobviousexplanationsfortheincomparablepopularityofHolmesseriesinthefieldofdetectivestories.OverwhelmedbytherecommendationsprovidedbymyfriendsIdecidedtotakealookonthisSherlockHolmesandtheDuke'sSonoriginallypublishedbyOxfordUniversityPress. AsawholethisbookisaboutacaseconcerningtheDuke'smissingson.ArthurtheDuke'ssonwasfoundoutinacertainmorningtohavedisappearedaccompaniedwithwhichwasalsothedisappearanceoftheGermanteacher.TheschoolmasterDr.HuxtablethenturnedtothefamousdetectiveofthetimeSherlockHolmesforhelp.RealizinghowtoughandimportantthecaseisHolmesimmediatelymadeuphismindtoacceptthecaseandfollowedDr.HuxtablebacktoMackletonbytrain.HavingformedaroughideaaboutthewholematterHolmeslookedintothecaseimmediatelyandhadacarefulinvestigationoftheentireareashortlyafterthearrivalduringtheprocessofwhichhediscoveredthebodyoftheGermanteacherHeidegger.Finallyprimarilyduetohisoutstandingabilityasadetectivehemanagedtorevealthemystery. HavingoncestartedreadingthisfictionIwascompletelyabsorbedinthemysteriousstory.Atthebeginningunlikeotherdetectivestoriesthisstoryfirstdescribestheclient'sstrangebehavioratlengthtoindicatetheseverityoftheincidentinordertoattractthereaderstocontinuereadingit.Asisknowntoallvividdescriptionisessentialtodetectivestoriesasitmakesthestorymoreauthenticandattractive.ThereforetryingtopresentarealworldtohisreadershipSirArthurConanDoyleauthoroftheoriginalHolmesserieshasskillfullyarrangedtheplotsofthewholestoryfromtheperspectiveofDr.WatsonafriendofHolmes'.Inthiswayheelaborately精心describedeverysceneandcharacterinthebook.Apartfromthespecialstarttheendingofthewholestorybeingdramaticbutreasonableiscertainlyanoutstandingone.AfterallexcepttheauthorhimselfwhoknowsthattheDuke'sseeminglyordinarysecretaryisinfacttheDuke'sbastard私生子?InadditionwhoknowsthattheDukeactuallyhasalreadybeenacquaintedwiththewholethingbeforeHolmessolvesthiscomplicatedproblem?Yetsurprisingasitisthisendingseemssonaturalthatitfitsalltheplotsofthestoryperfectlywell.ClosingmyeyesIcanevenseethestoryhappeningjustlikewatchingafilm. AsfarasIamconcernednothingismoreadmirableandsurprisingintheheroSherlockHomesthanhisprofoundknowledgewhichhascertainlyassistedhimalotwhenhewasstudyingthecase.TakethebicycletyresforinstanceHolmesiscapableofrecognizing42differentvarietiesofbicycletyres.ExceptforhisillimitableknowledgeHolmesalsospecializesinarrangingthefactsinorderandthenfindingthefactleadinghimtoagreatdiscoveryoreventhetruthitself.InthiscaseaftergettingridofunrelatedfactsSherlockHomeseventuallygraspedtheclueanddiscoveredtheamazingfact. Needlesstosayasaworld﹣renownedmasterpieceSherlockHolmesandtheDuke'sSonhasattractedandisstillcharmingnumerousreadersfromallcornersoftheworldandpeoplefromallwalksoflife.TheHolmesserieshasalreadysetupastandardagainstwhichallthefollowingdetectivefictionsaremeasured.SherlockHolmesbeyondalldoubthasbeenanamefirmlyrootedinpeople'smemories.AlthoughDr.Watson'sclosingTheCaseBookofSherlockHolmesin1927wasagreatpitytothereadersthediscontinuanceoftheentireHolmesseriesmayhaveactuallyaddedtothelegendarystatureofSherlockHolmes. 66.WhydoestheauthormentionthebookPrideandPrejudice? A.Toshowhis/herimpressiononit. B.TochangeasentenceinittoevaluatetheHolmesseries. C.Toquoteasentencetodirectlyillustrateitsimpressiveness. D.Tostatethereasonwhyhe/shebeganreadingSherlockHolmesandtheDuck'sson. 67.Manyfactorscontributetotheauthor'spositiveattitudetowardthebookEXCEPTthat. A.thedetaileddescriptionofaclient'sstrangebehaviorarousesthereaders'interest. B.theplotsarewelllaidoutandallscenesandcharactersareartfullypresented. C.thebookisevenadaptedintoafilmandtheauthorreallyenjoyswatchingit. D.itsendingissosurprisingthatitmakestheauthordeeplyimpressed. 68.WhatkindofapersonisSherlockHolmesaccordingtothepassage? A.KnowledgeableB.Arbitrary.C.Mysterious.D.Courageous. 69.Howisthepassageorganized? 70.What'sthepassagemainlyabout? A.ItmainlyintroducestheplotsofthebookSherlockHolmesandtheDuck'sson. B.It'smainlyabouttheauthor'sattitudetowardsSherlockHolmes. C.It'smainlyaboutthethoughtsoftheauthorafterreadingSherlockHolmesandtheDuck'sson. D.It'smainlyacomparisonbetweenthebookPrideandPrejudiceandtheHolmesseries.

已知函数fx＝lnx+a∈R且a≠0gx＝b﹣1x﹣xex﹣b∈R Ⅰ讨论函数fx的单调性 Ⅱ当a＝1时若关于x的不等式fx+gx≤﹣2恒成立求实数b的取值范围．

OvertheweekendNASA'snewestMarsrovertheCuriositywhichlandedearlyonAug.6afteraneight﹣monthflightstartedsendingbacka360﹣degreehigh﹣resolution高分辨panorama全景画全景摄影ofitssurroundings. AtanewsconferenceonWednesdayJohnP.GrotzingeraprofessorofgeologyattheCalifor﹣niaInstituteofTechnologywhoservesasthemission'sprojectscientistcomparedtheviewwithaplacejustafewhours'drivefromPasadenaCalifandNASA'sJetPropulsionLaboratorytherover'sbirthplace.YouwouldreallybeforgivenforthinkingthatNASAwastryingtopullafastoneonyouhesaidandweactuallyputaroveroutintheMojaveDesertandtookapicture﹣alittleL.A.LosAngelessmogcominginthere.HeaddedToacertainextentthefirstimpressionyougetishowEarth﹣likeitseems. WheretheCuriosityactuallysitsisa96﹣mile﹣widecraternamedGaleneartheMartianequator.Tothenorththeimagesshowpartofthecraterrimthatisbelievedtohavebeenerodedbyflowingwater.Tothesouthisa3.4﹣mile﹣highpeakthatthescientistscallMountSharpwhichCuriosityismeanttoreachandtoclimb.ByinvestigatingthelayersofsedimentaryrockonMountSharpmis﹣sionscientistshopetoreconstructtheclimateandenvironmentofearlyMarsandtellwhetheritcouldhavebeenoncebeenhabitableforlife. ThephotosalsoshowmarksthatCuriosityhasmadeatthelandingsite.AsCuriositywasloweredtothesurfaceofMarsblastsfromthedescent﹣stageenginescreatedindentationsinthenearbysoilexposingthebedrockbelow.Thisexposedbedrockislikelytobeoneofthefirstareasofscientificexplorationontherover'splannedtwo﹣yearjourney. Aftertheflawlesslandingthefirstweekofoperationsoftheroveronthegroundalsoproceededalmostperfectlytooasengineersstartedcheckingouttherover'ssystemdeployedthehigh﹣gainantenna天线andraisedthemast天线杆thatholdsthecameras. Sofarnosignificanttroublehasarisen.Theweatherinstrumentexperiencedaproblemthatengineersfiguredoutadaylater.Therover'sinternaltemperaturesareslightlywarmerthanexpectedpossiblybecausethecrateriswarmerthanpredictedorbecauseNASA'scomputermodelsofCuriositywerenotquiteright.Worriesaboutoverheatingcouldputconstraintsonwhencertaininstrumentscanbeused.ButtheheatisalsoaboonreducingtheenergyCuriosityneedstowarmupitsjointsandwheelsbeforemoving. 1WhereistheroverCuriosity'sreallocation A.InthemiddleMojaveDesertnearitsbirthplaceintheUS. B.TothesouthofcraterGalethatisneartheMartianequator. C.NeartheMartianequatorwhichiserodedbyflowingwater. D.Ontopofa3.4﹣mile﹣highpeakwhichusedtobehabitable. 2Itcanbeinferredfromthepassagethattherover'sinvestigation. A.islikelytostartwiththestudyoftherocksonMars B.isdeterminedonthereconstructionoftheclimateonMars C.startedimmediatelyaftertherover'sperfectlanding D.canonlybeginafteraweek'spreparationontheground 3Whatcausedtherover'sunexpectedwarmerinternaltemperature A.Aminorproblemoftheweatherinstrument. B.ProblemsofNASA'scomputermodelsofCuriosity. C.Theimpactontheroverduringlanding. D.Overheatingofcertaininstrumentintherover. 4Whatisthemainideaofthepassage A.HowearthlikethesurfaceofMarsis. B.ThesuccesslandingofCuriosity. C.NASA'sachievementininvestigatingMars. D.HowfarthemissionofCuriosityhasgone.

已知△ABC的三边abc所对的角分别为ABC若a＞b且则A＝．

如图所示在△ABC中CE是边AB的中线O是CE的中点若＝＝则等于

直线y＝m与直线y＝2x+3和曲线y＝ln2x分别相交于AB两点则|AB|的最小值为．

如图是一块木料的三视图将它经过切削打磨成半径最大的球则该木料最多加工出球的个数为

已知实数xy满足约束条件则z＝﹣2x+y的最小值为

已知函数fx＝lnx﹣axa为实常数． 1求函数fx的单调区间 2若a＞0求不等式的解集．