假如你是李华,一个英国游学团要来你们学校,学校需要一些志愿者,你想成为其中的一员.请读下面的招募启事,写一封应征邮件. 注意：（1）请回复招募启事中所提及的两个问题,可适当发挥； （2）应征邮件中不得出现真实人名和校名等相关信息； （3）词数：80〜100； （4）邮件开头和结尾已给出,不计入总词数. Dear Andrew, I'm Li Hua.　 　.

如图四边形ABCD是正方形连接AC将△ABC绕点A逆时针旋转α得△AEF连接CFO为CF的中点连接OEOD． 1如图1当α＝45°时请直接写出OE与OD的关系不用证明． 2如图2当45°＜α＜90°时1中的结论是否成立请说明理由． 3当α＝360°时若AB＝4请直接写出点O经过的路径长．

Aworkingpartyhasbeensetuptothecauseoftheaccident. A.lookover B.lookthrough  C.lookinto D.lookup

直接写出得数 +＝ 1﹣＝ 5.1×6.9≈ 5.6÷0.9﹣0.2＝ 18÷25%＝ 42×101＝ 0.99÷0.1＝ 4×0.5÷4×0.5＝ 3.8吨﹣700千克＝吨 5.4千米+800米＝米

一种商品八折出售售价是原价的售价是原价的%

﹣ShallIlockthedoorbeforeIleavethemeetingroom? ﹣.I'llaskVickytocheckitwhensheleaves. A.You'dbetternot B.Goahead  C.Don'tbother D.Takeyourtime

某店原来将一批羽绒服按100%的利润定价出售淡季时商家按38%的利润重新定价这样售出了其中的40%．旺季价格有所回升售出了余下的全部羽绒服．结果实际获得的总利润是原定利润的45.2%那么旺季的价格是原定价格的%．[注按100%的利润定价指的是定价一成本×1+100%]

已知二次函数y＝ax2﹣bx﹣2a≠0的图象的顶点在第四象限且过点﹣10给出下列叙述 ①式子b2＞8a ②式子a﹣b﹣2＜0 ③存在实数k满足x≤k时函数y的值都随x的值增大而增大 ④当a﹣b为整数时ab的值为1 其中正确的是

佳荣旅行社推出AB两种优惠方案 李阿姨带5名小朋友选哪种方案省钱

一个等腰三角形的顶角是98度那么它的一个底角是度．

每个小方格为1平方厘米 1梯形的面积是平方厘米． 2画一个与梯形面积相等的平形四边形． 3画出把上题中画好的平行四边形按21的比放大后的图形． 4平行四边形放大后的面积与原来的面积的比是

把一个圆柱削成一个最大的圆锥削去部分的体积是圆锥体积的2倍．．判断对错

六年级一班共有学生40人其中男生占55%女生有人．

小李在景区销售一种旅游纪念品已知每件进价为6元当销售单价定为8元时每天可以销售200件．市场调查反映销售单价每提高1元日销量将会减少10件物价部门规定销售单价不能超过12元设该纪念品的销售单价为x元日销量为y件日销售利润为w元． 1求y与x的函数关系式． 2要使日销售利润为720元销售单价应定为多少元 3求日销售利润w元与销售单价x元的函数关系式当x为何值时日销售利润最大并求出最大利润．

有5张不透明的卡片除正面上的图案不同外其他均相同．将这5张卡片背面向上洗匀后放在桌面上． 1从中随机抽取1张卡片卡片上的图案是中心对称图形的概率为． 2若从中随机抽取1张卡片后不放回再随机抽取1张请用画树状图或列表的方法求两次所抽取的卡片恰好都是轴对称图形的概率．

找规律填空．14916256481．

某酒店要在楼梯上铺地毯如图这块地毯的长度是．

三角形的面积一定底和高成比例正方形的周长和边长成比例．

为了建设书香校园某班开展捐书活动班长将本班44名学生捐书情况统计如下 该组数据捐书本数的众数和中位数分别为

新建一座工厂计划投资200万元实际只投资175万元．实际投资是计划投资的百分之几

比70m少是m比kg多40%是112kg．

身体是革命的本钱可中学生目前的健康状况让人十分堪忧.家长学校专家忧心忡忡.于是有人献良策将体育纳入高考.请结合实际谈谈你的看法作短文一篇将其发表. 注意 1短文词数不少于100 2可适当增加细节使行文连贯 3文章的开头已给出不计入总次数. Thefactthathighschoolstudentsarecurrentlyexperiencingasharpdeclineinhealthhasarousedwideconcernamongparentsschoolsandexperts. .

2的分数单位是再加上个这样的单位就等于3．

图1是由若干个小圆圈堆成的一个形如等边三角形的图案最上面一层有一个圆圈以下各层均比上一层多一个圆圈一共堆了n层．将图1倒置后与原图1拼成图2的形状这样我们可以算出图1中所有圆圈的个数为1+2+3++n＝． 如果图3中的圆圈共有13层． 1我们自上往下在每个圆圈中都图3的方式填上一串连续的正整数1234则最底层最左边这个圆圈中的数是 2我们自上往下在每个圆圈中按图4的方式填上一串连续的整数﹣23﹣22﹣21﹣20求最底层最右边圆圈内的数是 3求图4中所有圆圈中各数值之和．写出计算过程

下列运算正确的是

正方体的棱长扩大到原来的3倍体积扩大到原来的

一个不透明的布袋中只装有红球和白球两种球它们除颜色外其余均相同．若白球有9个摸到白球的概率为0.75则红球的个数是．

佳佳文具店购进AB两种款式的笔袋其中A种笔袋的单价比B种袋的单价低10%．已知店主购进A种笔袋用了810元购进B种笔袋用了600元且所购进的A种笔袋的数量比B种笔袋多20个．请问文具店购进AB两种款式的笔袋各多少个

在棱长为9dm的正方体盒子中最多能放下个棱长是3cm的小正方体．

Birdscanflybecausetheyhavethestrongchestmuscleforflying. A.required B.provided  C.strengthened D.possessed

下列运算正确的是

如图MN是线段AB上的两点AB＝16MN＝6将线段AM绕点M旋转将线段BN绕点N旋转点A点B的对应点恰好重合记为点C设AM＝x． 1求x的取值范围 2过点C作CH⊥AB于点H若CM+MH＝CN+NH试判断△CMN的形状并说明理由 3在2的前提下以C为圆心CH为半径的圆的内接正三角形正方形正六边形边心距分别为d1d2d3求以d1d2d3为三边长的三角形面积．

WhenyouarriveinOxfordstopfirstattheOxfordVisitorInformationCentrelocatedinBroadStreet. Staffatthecentrearehappytoansweryourqueriesandofferthefollowingservices ●Informationonattractionstheatresconcertsandothereventsandentertainment ●BedandBreakfastreservationsinOxfordandelsewhereforpersonalcallers ●Acomprehensiverangeofmapsprintedguidespostcardsandsouvenirs ●BureaudeChangefacilities ●Informationonbustoursandexcursions Openingtimes ●Duringthesummermonths930am﹣500pmMondaytoSaturday ●1000am﹣100pmand130pm﹣330pmSundays&PublicHolidays ●Closed25thDecember﹣1stJanuaryinclusive. Telephone01865252200 Viewsofthetown TogetanoverviewbeforeyoubeginwalkingtryclimbingupCarfaxTowerinthecitycentre. OtherviewsoverthecityareavailablefromtheUniversityChurchofSt.MarytheVirginintheHighStreetandSt.MichaelNorthgateinCornmarket.Allofthesevantagepointshavesmalladmissioncharges. TheUniversity OxfordishometoaworldfamousuniversityandmostofthecollegesanduniversitybuildingsarelocatedinthecentreofOxfordwithineasywalkingdistanceofeachother. Don'tmisstheBodleianLibrarywhichhasitsownshopandthenearbyRadcliffeCamerawhichisnotopentothepublicbutiswellworthaviewfromtheoutside. NearbyinBroadStreetistheSheldonianTheatreavenueforofficialuniversityfunctionsaswellasavarietyofconcertsticketsavailablefromTheOxfordPlayhouseinBeaumontStreet. TheUniversityalsoownstheAshmoleanMuseumonBeaumontStreetoppositeThePlayhouseBritain'soldestpublicmuseum. 56.Thepassageistargetedat. A.studentswhowanttostudyatOxford B.visitorswhointendtovisitOxford C.companiesthatdecidetoexpandtourism D.foreignersthatpreparetosettleinBritain 57.WhatcanwelearnaboutOxfordUniversityfromthepassage? A.Thereisahightowerinthecentreofit. B.ItishometoBritain'soldestpublicmuseum. C.TheBodleianLibraryisnotopentothepublic. D.It'ssobigacampusthatbuildingsarefarfromeachother.

AsthetraditionalSpringFestivalisapproachingshopownersfromallwalksoflifeofferlargediscountshighsalesincomefromtheircustomers. A.inexpectationof B.incelebrationof  C.inexplanationof D.inpossessionof

给37的前项加上6要使比值不变后项应加上．

80的40%相当于40的

甲和乙的乘积为定值那么甲和乙成．

直接写出得数．

为庆祝校庆同学们要做360面小旗已经做了一部分还剩下没做．已经做了面小旗．

大小两个圆的半径分别是5厘米和3厘米大小两个圆的周长的比是面积的比是．

求如图中阴影部分的面积．单位厘米

已知等边△ABC内接于⊙OD为弧BC的中点连接DBDC过C作AB的平行线交BD的延长线于点E． 1求证CE与⊙O相切 2若AB长为6求CE长．

若关于x的一元二次方程ax2﹣8x+4＝0有两个不相等的实数根则a的取值范围是．

16和24的最大公因数是最小公倍数是．

Thereareplentyofthingstobegainedfromgoingabroadnewfriendsnewexperiencesnewstories.Butlivinginanothercountrymaycomewithalessnoticeablebenefittoo.Somescientistssayitcanalsomakeyoumorecreative. Writersandthinkerslovetravellingabroad.ErnestHemingwayforexampledrewinspirationformuchofhisworkfromhistimeinSpainandFrance.AldousHuxleytheauthorofBraveNewWorldmovedfromtheU.K.totheU.S.inhis40stobranchoutintoscreenwriting.MarkTwainwhosailedaroundthecoastoftheMediterraneanin1869wroteinhistravelogueInnocentsAbroadthattravelisfataltoprejudicebigotryandnarrow﹣mindedness. Inrecentyearspsychologistsandneuroscientistshavebegunexaminingmorecloselywhatmanypeoplehavealreadylearnedthatspendingtimeabroadmayhavethepotentialtoaffectmentalchange.Ingeneralcreativityisrelatedtohowthebrainiswired.Neural神经的pathwaysaresensitivetochangenewsoundssmellslanguagestastessensationsandsightssparkdifferentsynapses神经突触inthebrainandmayhavethepotentialtorevitalize使恢复生机themind. Foreignexperiencesincreasebothcognitiveflexibilityanddepthandintegrativeness综合性ofthoughtsaysAdamGalinskyaprofessoratColumbiaBusinessSchoolandtheauthorofnumerousstudiesontheconnectionbetweencreativityandinternationaltravel.Cognitiveflexibilityisthemind'sabilitytojumpbetweendifferentideasakeycomponentofcreativity.Butit'snotjustaboutbeingabroadGalinskysaysThekeycriticalprocessismulticulturalengagementimmersion浸入andadaptation.Someonewholivesabroadanddoesn'tengagewiththelocalculturewilllikelygetlessofacreativeboostthansomeonewhotravelsabroadandreallyengagesinthelocalenvironment.InotherwordsgoingtoCancunforaweekonspringbreakprobablywon'tmakeapersonanymorecreative.ButgoingtoCancunandlivingwithlocalfishermenmight. Theresearchersalsofoundthatthemorecountriestheexecutiveshadlivedinthemorecreativethelinestendedtobe﹣butonlyuptoapoint.Thosewhohadlivedandworkedinmorethanthreecountriesthestudyfoundstilltendedtoshowhigherlevelsofcreativitythatthosewhohadn'tworkedabroadatallbutlesscreativitythattheirpeerswhohadworkedinasmallernumberofforeigncountries.Theauthorsassumedthatthosewhohadlivedintoomanycountrieshadn'tbeenabletoproperlyimmersethemselvesculturallytheywerebouncingaroundtoomuch.Itgetsbacktothisideaofadeeperleveloflearningthat'snecessaryfortheseeffectstooccurGalinskysays. Ofcoursealthoughanewcountryisaneasywaytoleaveasocialcomfortzonetheculturalengagementassociatedwithcognitivechangedoesn'thavetohappenabroad.Ifaplaneticketisn'tanoptionmaybetrytakingthesubwaytoanewneighborhood.Sometimestheresearchsuggestsallthat'sneededforacreativeboostisafreshculturalscene. 61.TheexamplesofthethreewritersinParagraph2areto. A.showhowtravellingabroadinspiresone'sbrain B.explainthecreativebenefitsofinternationaltravel C.illustrateprejudiceandnarrow﹣mindednesscanharmcreativity D.discusswhywritersandthinkerstendtobemoreopen﹣minded 62.ItcanbelearnedfromParagraph3that. A.neuralpathwaysarebirthplacesofcreativity B.creativeisresponsibleforrevitalizingthemind C.creativitycanbedevelopedbychangesoftheenvironment D.neuralpathwaysallowdifferentsynapsestoworkefficiently 63.WhatisthekeycriticalprocessaccordingtoGalinsky? A.Thedeepinvolvementwithforeignculture. B.Travellingabroadforarelativelylongerperiod. C.Themind'sabilitytojumpbetweendifferentideas. D.Livingintheforeigncountryinsteadofjusttravellingthere. 64.Whichofthefollowingcouldbethemostsuitabletitleforthepassage? A.Leaveyoursocialcomfortzone B.Foramorecreativemindtravel C.Putdownyourworkandgotoyourneighborhood D.Foranartisticinspirationgotomoreforeigncountries.

乐乐有4本科技书和3本故事书他准备捐出科技书和故事书各一本他有种不同的捐法．

一张长方形纸长8厘米宽6厘米．用它剪成一个最大的正方形正方形的周长是厘米面积是平方厘米．

我国古代数学著作孙子算经中有多人共车问题今有三人共车二车空二人共车九人步．问人与车各几何其大意是每车坐3人两车空出来每车坐2人多出9人无车坐．问人数和车数各多少设车x辆根据题意可列出的方程是

已知正方形的边长是8cm计算图中阴影部分的面积．

圆柱体的底面半径和高都扩大2倍它的体积扩大倍．

图形的各边按相同的比放大后或缩小后所得的图形与原图形比较

⊙O过点BC圆心O在等腰直角△ABC内部∠BAC＝90°OA＝1BC＝6则⊙O的半径为

Thenumberonereasonthe16﹣year﹣oldsingerexplodedinpopularityishisrawsingingtalent. A.that B.whether C.how D.why

﹣IlovetheInternet.I'vecometoknowmanyfriendsontheNet. ﹣.Fewofthemwouldbecomeyourrealfriends. A.That'sforsure  B.It'snotthecase  C.Icouldn'tagreemore  D.I'mpleasedtoknowthat

直接写出得数． 8﹣0.55＝ 4.8×0.5＝ 1.2÷0.6＝ 8.5+4.7＝ 10÷0.25＝ 0.5÷0.05＝ 0.24÷0.4＝ 4.5÷0.09＝

因式分解﹣x2+2＝．

如果＝yxy均不为0那么x和y成比例如果＝x那么x和y成比例．

一个比的比值是它的前项是12后项是．

Notmanyofusreallygottoseethehardworkthathappensthescenestomakeourfavoritemoviescometolife. A.without B.to C.behind D.by

下列调查中调查方式最适合普查全面调查的是

圆的对称轴有无数条．判断对错

x和y成反比例关系的式子是

计算阴影部分的面积．

简便运算 14.56﹣6.62+5.44﹣8.38 25×52﹣25×12 3.25×8.7+8.7×6.75

一个圆锥的底面积是18平方分米高是12分米它的体积是立方分米．

小军坐在教室的第4列第3行用43表示．．判断对错

一个三角形三个内角的度数比是234这是一个三角形．

气象小组要统计今年每月平均气温情况应选用最合适．

笑笑在跑道中央位置向西走了25米记作﹣25米然后再调头往东走了36米与中央位置相比应记作米

以一个长方形的一条长为轴旋转一周得到的立体图形是

拧开矿泉水瓶盖是做运动．

Believeitornotmanyfrozenvegetablesareasnutritiousasfreshonesandsometimesevenmoreso. A.particularly B.occasionally  C.equally D.eventually

Americacontinuestoleadtheworldasadestinationforinternationalstudents.Lastyearabout900000foreignstudentswerestudyingintheUnitedStatesabouthalfofthemfromAsia.ButagrowingnumberofAsianstudentsarelookingtoanEnglish﹣speakingcountrymuchclosertohome﹣thePhilippines. Theislandnationof100millionisquicklybecomingtheeducationcenterofAsia.Thecountry'slowpricesopencultureandqualityschoolsareattractingrecordnumbersofforeignstudents.KoreansareleadingthewayaccordingtoJoseL.CuisiathePhilippinesAmbassadortotheUnitedStates. ThePhilippinesisinauniquepositiontobenefitfromtheglobaldemandforEnglisheducation.AmericancolonialismbroughttheEnglishlanguagehereintheearlytwentiethcentury.AlthoughitisnotthenativelanguageofmostFilipinosEnglishisanofficiallanguagehere.Morethan60yearsafterindependenceFilipinosstillspeakEnglishwithastrongAmericanaccent.TodaythePhilippinesmarketsitselfastheworld'sthird﹣largestEnglish﹣speakingcountry. ThetruthisweactuallyhavemorepeoplewhospeakEnglishinthePhilippinesthanthenationallanguage.EnglishislearnedevenoutsideofschoolbecausealotofthecommunicationsdoneinEnglish.PublicsignstelevisionandtheInternetareallinEnglish. LowpricesanditslocationinAsiahelpedtoproducetheeducationexplosioninthePhilippines.ThecapitalManilahascheapnon﹣stopflightstoTokyoSeoulandotherAsiancapitals.TherisingU.S.dollarhasmadeAmericaneducationmoreexpensivethaneverbefore. TherearehundredsofprivateandpublicschoolsinthePhilippinesthatteachEnglishorteachinEnglish.MoreadvancedstudentscantakeregularuniversityacademiccoursesinEnglish.Othersstudyatbeachsideresortswheretheymixlanguagestudywithvacation.SomeKoreanfamiliesevenmovetothePhilippinessotheirchildrencanlearnEnglishinpublicschools. AsintheU.S.schoolsinthePhilippinesrangefromworld﹣classtolow﹣qualitydiplomamills.PearlGaborno﹣IlustreistheChiefAcademicOfficerattheTESOLTrainingCorporationinManila.Shesaysforeignstudentsshouldchoosetheirschoolscarefully.Sherecommendsprogramsthatuseamodernteachingstyle. Onedoesn'treallylearnlanguagebystudyinggrammarwelearnlanguagebyactuallyusingit.InmostAsiancountriesstudentslearnEnglishthroughgrammarandtranslationfromthemotherlanguage.InthePhilippinesstudentsareencouragedtopracticespeakingEnglishinreal﹣lifesituations.Ingeneralthereislessemphasisongrammaranderrorcorrection. ThePhilippines71Englishlearners TheeducationcenterofAsia ●MoreandmoreAsianstudents72tolearnEnglishinthePhilippines. ●ThePhilippines'pricesare73anditsculturequalityeducationappealtoforeignstudents. The74ofstudyingEnglishinthePhilippines ●EnglishisanofficiallanguageinthePhilippinesandFilipinoscanspeak75EnglishbecauseoftheUScolonialism. ●Englishcanbelearnedfromallkindsofcommunicationand76. ●Lowcostsandthefavorablelocation77therapiddevelopmentofthePhilippines'internationaleducation. ThestudyofEnglishinthePhilippines ●TherearemanyschoolsanduniversitieswhereyoucanlearnEnglish. ●MoreadvancedstudentscantakeuniversityacademiccoursesinEnglish78whileothersstudyduringvacation. ●It'srecommendedthatEnglishshouldbelearnedthroughprogramstaughtina79way. ●Youneedn'tworryaboutmaking80andareencouragedtopracticeEnglishthroughactualuse.

一个圆锥形沙堆高1.5米底面周长是18.84米如果每立方米沙子重500千克那么这堆沙子共重多少千克

一个圆的半径1分米它的半圆周长是分米．

假定英语课上老师要求同桌之间交换修改作文请你修改你同桌写的以下作文.文中共有10处语言错误每句中最多有两处.每处错误仅涉及一个单词的增加删除或修改. 增加在缺词处加一个漏字符号∧并在其下面写出该加的词. 删除把多余的词用斜线\划掉. 修改在错的词下划一横线并在该词下面写出修改后的词. 注意1.每处错误及其修改均仅限一词 2.只允许修改10处多者从第11处起不计分. Inordertoencouragethestudentstakeoutdoorexerciseourschoolorganizedamountain﹣climbingactivityinApril10.Hundredsofustookpartinit. At800amwegatheratthefootofDaqingMoutainandsetoutforthetopinhighspirit.Allthewaywewerechattingsingingbutlaughingenjoyingthefreshairandthebeautifulscenery.Whensomefellbehindotherswouldcomeandofferhelp.About2hourslateweallreachedthetop.Bathinginsunshinewejumpedandcheeredwithjoy. Theactivitybenefitedusalot.Notonlydiditgetusclosetothenatureandgiveusrelaxationfromheavyschoolworkitalsopromotedyourfriendship.Whatawonderfullytime!

注意运算顺序． ①2.3+5.5﹣2.3+5.5 ②3.6×5.5÷3.6×5.5 ③6.8÷3.4×6.8÷3.4 ④5.5﹣2.3+5.5﹣2.3 ⑤3.6×5.5÷3.6×5.5 ⑥6.8÷3.4×6.8÷3.4

在一个边长是5cm的正方形内画一个最大的圆．它的半径是

在20km的环湖越野赛中甲乙两选手的行程y单位km随时间x单位h变化的图象如图所示根据图中提供的信息下列说法中错误的是

加工一批零件甲单独做需要10天完成乙单独做5天只完成这批零件的．如果让甲乙两人合作几天能完成这批零件的50%

Successfulanduniquepeoplealwaysdeterminewhotheyarecommonpeoplealwayschangetheirfaith. A.until B.before C.although D.while

Iwanttorelateaneventwhichhappenednearly10yearsago.Iwas9atthattimestillasmallchildbackthen.It41inavillageinAlibaugaplaceinMaharashtrainIndiaduringthe42holidays.MymomandIwereatthe43forquitesometimewhenwedecidedtogoback.Itis44thatwewouldreachthehotelafterwalkingforaboutten45.Mymomaskedherfriend46oursandals凉鞋were﹣wewerestillatthebeach.Herfriendpointed47somedirectionandmymomthenwentthere.Howeversoonmom48wewerelost.Wewerenowinaquiteabig49.Andsinceitwasnoonthegroundwas50hotandmymomhadtocarryme.Iwasscared.Ididn'tunderstandthenour51﹣momwasinabigjunglewithher9﹣year﹣oldkidandcompletelylost.Iwas52anddidn'tknowwhattodo.SoIbeganto53.AsachildtheonlyprayerIknewwas'OurFather'and'GodOurProtector'.54whichofthetwoIprayedbutIdidremembermymother55methatassoonIhadfinishedprayingawomanstoodbeforemymother.Thewomangavemomhersandalsandtoldmymomthatshehad56anentirevillageandcurrentlywasina57village.Thatwoman58tookusbacktothehotelwewerestayingat.A59actmakesabigdifference.Iwillrememberthat60womanforever.Itwasshewhohelpedmombackthen.41.A.brokeout B.tookplace C.occurredto D.brokedown42.A.spring B.summer C.autumn D.winter43.A.beach B.jungle C.hotel D.village44.A.regular B.ordinary C.unusual D.normal45.A.seconds B.days C.minutes D.weeks46.A.that B.when C.where D.what47.A.for B.from C.to D.in48.A.announced B.ignored C.realized D.remembered49.A.jungle B.desert C.village D.river50.A.hardly B.quite C.ever D.never51.A.benefit B.question C.state D.trouble52.A.confident B.afraid C.intelligent D.brave53.A.shout B.pray C.scream D.yawn54.A.forgot B.understood C.explained D.ignored55.A.telling B.warning C.blaming D.apologizing56.A.walked B.jumped C.crossed D.flew57.A.dangerous B.same C.different D.grand58.A.accidently B.disappointedly C.freely D.safely59.A.small B.funny C.elegant D.possible60.A.outstanding B.easygoing C.beautiful D.kind

先化简再求值1﹣÷其中a＝﹣2b＝5﹣．

某公司一季度的销售额是1200万元如果按销售额的6%缴纳税金该公司一季度应缴纳税金万元．

﹣32的值是

地球上海洋的面积大约是三亿六千一百万平方千米写作平方千米省略亿后面的尾数约是亿平方千米．

如图▱ABCD的两条对角线相交于O点过O点作OE⊥AB垂足为E已知∠DBA＝∠DBCAB＝5． 1求证四边形ABCD为菱形 2若sin∠ADB＝求线段OE的长．

某校数学综合实践小组的同学以绿色出行为主题•把某小区的居民对共享单车的了解和使用情况进行了问卷调查在这次调查中发现有20人对于共享单车不了解．使用共享单车的居民每天骑行路程不超过8千米并将调查结果制作成统计图如图所示． 1本次调查人数共人使用过共享单车的有人 2将条形统计图补充完整则使用共享单车骑行的居民每天骑行路程的中位数落在范围内 3如果这个小区大约有3000名居民请估算每天骑行路程不超过4千米的有多少人

一个圆柱的侧面展开是正方形已知圆柱底面半径是4厘米圆柱的高是厘米．

张老师买了2个篮球和8副乒乓球拍一共花了360元钱1个篮球的价钱是一副乒乓球拍价钱的4倍篮球和乒乓球拍的单价各是多少元

4吨60千克＝吨1.5时＝时分．

一次函数y＝﹣x+1的图象不经过的象限是

Growingupinamilitary军人的familyImovedalot.Imostlywentto1withotherkidswhoseparentswerealsointhemilitary.Butwhenmydad2fromthearmyaftertwentyyearsofserviceIfoundmyself3acivilian平民的schoolwithtwelve﹣year﹣oldswhosharednosimilarlifeexperiencewithme. Iwasastrangerinastrangeland.Everyoneinmyclasshadgrownuptogetherandtheyhadnoroomto4foranewcomer.Iworedifferentclotheshaddifferentthoughtsandspokewithanaccent.I5forthefirstfewweeksofschool.Ihadnofriendsnoactivitiesandno6ofabrightfuture.TodealwithitallIbegan7inmydiaryeveryday﹣storiesofadventureofoldfriendsoffeelingsthatIcouldnotspeak.IwroteasifmylifedependedonitasiftheverynextbreathItookcouldnothappen8Iwrotedownwords. OnedaymyteacherMrs.BushcametomeandaskedwhyIalwayssattherewritinginsteadofplayingwithothers.ItoldherIenjoyedwritingand9writingtoplaying.Shesmiledatmeandwalkedaway.AboutthreeweekslaterMrs.Bushgaveusawritingassignment.Iwas10thatIcouldnowparticipateinsomethingIknewIexcelledin.ThatnightIworkedandworkedontheessay.Iwrotewithgreat11.Itwasmyonechancetofeelimportantand12bytheclass. AfewdaysafterwehandedinourassignmentsMrs.Bushcalledmeuptothe13oftheclassroom.IstoodbeforethirtypairsofeyeslookingatmeandIgot14.WasIintrouble?DidIdosomethingwrong?ThenMrs.Bushtoldtheclasshowmuchshe15alltheworkthatwentintotheessayandeveryonehaddoneagreatjob.Butshesaidonestudentstood16asanexcellentwriteronewithimaginationcreativityandwordmastery.Thatstudentwasme!TheclassclappedpolitelyandMrs.Bushhandedmemypaperwiththefollowing17onitMalindayouareanexcellentwriter.Youfillyourpaperwiththebreathingofyourheart.Pleasekeeponwritingandshareyour18ofwritingwiththeworld.Iamproudofyouandgladyouareinmyclass. Mrs.Bushhelpedmefeelasenseof19aplaceofpurposeandawaytosurviveatransition转移过渡inlife.Shehelpedmegain20inmyselfthatstayedwithmebeyondsixthgrade. 1A.church B.school C.war D.work 2A.separated B.withdrew C.quit D.retired 3A.visiting B.attending C.running D.leaving 4A.build B.preserve C.take D.spare 5A.struggled B.played C.fought D.exercised 6A.memory B.control C.promise D.need 7A.reading B.drawing C.writing D.copying 8A.unless B.once C.while D.after 9A.compared B.applied C.turned D.preferred 10A.astonished B.satisfied C.excited D.embarrassed 11A.anxiety B.curiosity C.wonder D.passion 12A.impressed B.accepted C.challenged D.envied 13A.front B.corner C.door D.outside 14A.annoyed B.disappointed C.worried D.surprised 15A.appreciated B.expected C.recognized D.enjoyed 16A.out B.up C.by D.off 17A.descriptions B.remarks C.suggestions D.accounts 18A.advantage B.purpose C.gift D.idea 19A.responsibility B.belonging C.devotion D.relief 20A.interest B.imagination C.creativity D.confidence

﹣64的立方根是．

某超市用1200元购进一批甲玩具用800元购进一批乙玩具所购甲玩具件数是乙玩具件数的已知甲玩具的进货单价比乙玩具的进货单价多1元． 1求甲乙玩具的进货单价各是多少元 2玩具售完后超市决定再次购进甲乙玩具甲乙玩具的进货单价不变购进乙玩具的件数比甲玩具件数的2倍多60件求该超市用不超过2100元最多可以采购甲玩具多少件

在数轴上从表示1的点出发向左移动3个单位长度的数是．

Youshouldneverblametheboyfortheresultofthetestforhehisbestthoughallareinvain. A.wastrying B.tried C.hadtried D.hastried

912和16118可以组成比例．判断对错

如图是由5个相同的小立方块搭成的几何体这个几何体的左视图是

一个数0除外除以等于把这个数扩大5倍．判断对错

Everypersonhasagreatdealoflovetogive.1Hereisageneralguidetoloving. Sayit.WhenyousaythewordsIloveyoumakesureyoureallymeanitandarewillingtodoanythingforthatspecialperson. 2Ifyoulovesomeoneyoushouldunderstandhowtheyfeelwheretheycomefromandwhotheyare.Realizehowtheycouldalsoloveyoubackjustaswell. LoveUnconditionally.Givingunconditionalloverequiresyoutolovewithoutanyexpectations. 3Itseemsdifficulttoonlyloveandnotdemandanythinginreturnintoday'sworldwhereeveryoneisselfish.Butevenintheworldweseemanyexamplesofunconditionalloveforexampletheloveamothergivestoherchildandthelovebetweentwolifepartners.Toloveunconditionallyyouwillhavetolearntosacrifice牺牲yourselfandyourdesiresandalsorealizethatsomeonemayhaveadifferentwayofshowinghisandherloveforyou.4. Realizeitcanbelost.Ifyourealizeyoucanlosetheoneyoulovethenyouhaveagreaterappreciationofwhatyouhave.5Don'tmakeidolofthepersonyoulove.Thiswillplacethemunderunnecessarypressureandwilllikelyresultinyoulosingthem.Neverstoploving.Evenifyouhavebeenhurtbefore.Youshouldnotstopgivinglove. A.Trylovingjustforthesakeoflove. B.Putyourselfinsomeoneelse'sshoes. C.Therearemanydifferentwaystoexplainlove. D.Thinkhowluckyyouaretohavesomeonetolove. E.Donotexpecttobelovedbackinexactlythesameway. F.Itdoesn'tmakeyouabadpersontodesiresomeoneelse'slove. G.Therearemanydifferentwaystolovesomeoneorevenyourself.