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已知椭圆C：+＝1（a＞b＞0）的离心率为，与双曲线x2﹣y2＝1的渐近线有四个交点，以这四个交点为顶点的四边形的面积为16，则椭圆C的方程为（ ）
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高三下学期数学《》真题及答案
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5分After61graduatefromUniversityDavidHolmeswenttoChinatostudyChineseatBeijingLanguageandCultureUniversity.Twoyears62hewasabletospeak63fluentlyChinese.Upon64finishhisstudieshestartedtravelinginChina.InChinahedeveloped65interestinteachingEnglishtoChinesestudents.66hereturnedtoBritaintwomonthsagohebrought67fromChinamanyinterestingbookspaintingsandphotos.Hedonatedmostofthemtoourschoollibrary.Thepaintings68Daviddonatedtotheschoolarebeingshowninthe69exhibitroom.TeachersandstudentsatourschoolwishtothankDavidforhis70kind. 61. 62. 63. 64. 65. 66. 67. 68. 69. 70.
10分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. 增加把缺词处加个漏字符号∧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处起不记分. DearMike YousaidyouwanttoknowalotabouttheEnglishClubofourschool.ItwasthreeyearsagowhentheEnglishClubwasborn.Itwasfoundtoimprovestudents'interestinEnglish.ThoseinterestedinEnglishgottogetherinthemultimediaclassroomeverySaturdayafternoon.Therearemanyactivitiesholdinginit.StudentscanwatchvariouslyEnglishfilms.TheycanaswellaslearntosingEnglishsongswhichcanhelpthemlearnEnglishwordbyheart.Inadditionmanytopicscanbediscussedthereinalanguage.Howdoyoulikeourclub?I'mlookingforwardtoearlyreply. Yours LiHua.
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6分ProudlyreadingmywordsIglancedaroundtheroomonlytofindmyclassmatesbearingbigsmilesontheirfacesandtearsintheireyes.ConfusedIglancedtowardmystone﹣facedteacher.HavingnochoiceIslowlyraisedthereportIhadslavedoverhopingtohidemyself.Whatcouldbecausingeveryonetoactthisway? QuicklyIflashedbacktothedayMissLancelotgavemethetask.ThiswasthefirstrealtalkIreceivedinmynewschool.ItseemedsimplegoontheInternetandfindinformationaboutamannamedGeorgeWashington.SincemyideaofhistorycamefromanancientteacherinmyhomecountryIhadneverheardofthatnamebefore.AsIsearchedthenameofthisfellowitbecameevidentthatthereweretwopeoplebearingthesamenamewholookedcompletelydifferent!OneinventedhundredsofusesforpeanutswhiletheotherledsomesortofarmyacrossAmerica.Istaredatthescreenwonderingwhichonemyteachermeant.Icalledmygrandfatherforagoldenpieceofadviceflip掷acoin.Heads﹣thecommanderandtails﹣thepeanutsguy.Ah!TailsmyreportwouldbeaboutthegreatmanwhoinventedpeanutbutterGeorgeWashington WeekslaterstandingbeforethisunfriendlymassIwastotallylost.OhwellIloweredthepaperandsatdownatmydeskburningtofindoutwhatIhaddonewrong.AsaclassmatebeganhisreportitallbecameclearMyreportisonGeorgeWashingtonthemanwhostartedtheAmericanRevolution.Thewholeworldbecamequite!HowcouldIknowthatshemeantthatGeorgeWashington? Obviouslymygradewasawful.HeartbrokenbutfearlessIdecidedtoturnthisaround.ItalkedtoMissLancelotbutsheinsistedNore﹣dosnonewgrade.IfeltthatthepunishmentwasnotjustifiedandIbelievedIdeservedasecondchance.ConsequentlyIthrewmyselfheartilyintomyworkfortherestoftheschoolyear.TenmonthslaterthatchanceunfoldedasIfoundmyselfsittingintheheadmaster'sofficewithmygrandfathernowhavinganentirelydifferentconversation.Ismiledandflashedbacktotheembarrassingmomentatthebeginningoftheyearastheheadmasterinformedmeofmychancetoskipthesixthgrade.Justiceissweet! 33.Whywastheauthorconfusedaboutthetask? A.HewasunfamiliarwithAmericanhistory. B.Hefollowedtheadviceandflippedacoin. C.Heforgothisteacher'sinstruction. D.Hewasnewattheschool. 34.TheunderlinedwordburninginPara.3probablymeans. A.annoyed B.ashamed C.ready D.eager 35.Intheendtheauthorturnedthingsaround. A.byredoinghistask B.throughhisownefforts C.withthehelpofhisgrandfather D.undertheguidanceofhisheadmaster.
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8分BeforeIhadmysonIspenttwoyearsworkingwithchildrenwithdisabilities.Ilearnedthatshoutingandthreatsofpunishmentwouldresultinadisaster.Comingupagainsttheirbehaviourcouldonlymakethejobharderandtheirbehaviourmoreextreme.Ifoundsomethingthatworkedthough. Therewasaverynaughtyboyinthenurseryandateacherwhowasgenerallyveryconfidentwiththechildrenwasaskedtotakechargeofhim.Onedaytheboyjoinedasessionintheroomnexttomine.Hisappearancecreatedanatmosphereoftension.Hespenttheentiresessionrunningaroundhittingandkickinganddestroyingproperty. Iwasinthecraftroomworkingwithsomeotherchildrenwhenmyco﹣workertoldmethatthisboy'steacherwasintearsandcouldnotgetcontrolofthesituation.Asweweretalkingtheboyranin.Itoldmyco﹣workerthatIwouldtakecareofhim. Iclosedthedoor.Hewasfullofenergythrowingthingsaroundandmakingahugemess.ButIcouldseethathewasdoingallthesetoannoyme.Heneededconnectionandthiswastheonlywayheknewhowtoaskforit.SoIsatbackdownandkeptquiet.Thenhesloweddownandbeganmakingarocket.Italkedtohimaboutit.WecontinuedlikethisforafewminutesbeforeIslippedintotheconversation Sowhathappenedtoday? Itwaspurelyaquestionnoblameorangerinmytone.IbelievethatifIhadcriticizedhimthegatethatwasslowlyopeningwouldhaveshutfirmlyclosed.Hetoldmethattheteacherdidn'tlethimdowhatheknewwellduetosafetybutaskedhimtodowhathedisliked.Healsoadmittedthathehadenjoyedmakingherrunaroundandsawitasagame.Iexplainedthathisteacherhadnotseenitasagameandwasveryupset.Thisagainwasstatedsimplyasafact.Isuggestedthatnexttimehehadasessionhetalkaboutwhathehopedtodoatthestartwhichmightbeeasierforeveryone.Heagreedandwasquietforamoment.Thenhelookedatmewithtearsinhiseyesbeforequietlyaskingifhecouldgotofindhisteachertoapologize. 51.Theboymadetroubleforhisteacherbecausehe. A.wasaccusedofdestroyingproperty B.wastoldnottoyellatotherchildren C.wasmadetodothingsagainsthiswill D.wasblamedforcreatinganairoftension 52.Whydidn'ttheauthordoanythingabouttheboy'sbadbehavioratfirst? A.Shedidn'twanttomakeitworse. B.Shedidn'tmindthehugemessatall. C.Shewastiredofshoutingandthreats. D.Shehadn'tthoughtofacopingstrategy. 53.Theauthormanagedtogettheboytotalktoherby. A.playinggameswithhim B.givinghimagoodsuggestion C.describinghisteacher'sfeelings D.avoidingmakingcriticalremarks 54.Whydidtheboyhavetearsinhiseyesintheend? A.Hewassorryabouthisreputation. B.Hewasregretfulabouthisbehavior. C.Hewasfearfuloftheauthor'swarning. D.Hewassadfortheauthor'smisunderstanding.
8分HalfayearbeforegraduationfromcollegemysonDavidbegantoseekajob.Duetothefinancialcrisisthecompetitionwasever﹣fierce.Mysontargetedacompanythatwaslocatedinacoastalcity.ItwasintendedtoemployonlyonepersonamongmorethantwentycandidatesIsaidtoDavidYoushouldnotharbortoomuchhopeforfearthatyouwouldfeelterriblydisappointedwhenyoufail.HesaidtomeIamnotafraidofdisappointment.AslongasItrytherewillalwaysbehope! Threeyoungmencouldenterthefinalroundwhichwouldlaterdecideonepersontobeemployed.EverythingseemedtogoquitewellandDavidenteredthefinalroundinaweek. Unexpectedlytheinterviewwasunbelievablysimpleduringwhichtheintervieweronlychattedwiththemforawhile.Theinterviewstrategiesmysonpreparedwerenotusefulatall.Theinterviewersaidthecompanywouldinformthemoftheresultin3days.OnthemorningofthethirddayDavidreceivedthetextfromthecompanythathewasnotemployed.Davidfeltdisappointed. InnightfallthatdayDavidsuddenlytoldmeexcitedlyonphonethathehadbeenemployed.GreatlysurprisedIaskedhimWhat'sthewholematter?Davidtoldmethathereceivedanothertextsayingthathewasemployed.Davidfeltveryconfusedaboutit.Laterhefoundoutthefirsttextsenttohimwasalsopartofthetestintheinterview.ThreemenreceivedthesametextthismorningandonlyDavid'sreplywassatisfyingtothecompany.IaskedmysonHowdidallofyourreply?MysonsaidOnedidnotreply.Theothersaid‘Goodbye'andIsaid‘Thankyou'. OnlythendidIknowthatmyson'shopecameinthatway.ThatiswhenyoufeeldisappointeddonotforgettosayThankyoutotheonewhodisappointsyou.ActuallyitisapieceofcaketosayThankyou.SayingThankyoushowsrespectforothers'workanddemonstratesyourgrandgenerosity.Thereforewhileunderthesameconditionyouwillgettheupperhandintermsofopportunitiescomparedwithothers! 28.WhatcanwelearnaboutDavidfromthepassage? A.BeingshortofmoneyDavidwaseagertofindajob. B.Hewantedtoworkforacompanyinthelocalcity. C.Hewasnothopefulofgettingthejob. D.Hetookapositiveattitudetowardsfailure. 29.WhichofthefollowingistrueaboutDavid'sfinalroundinterview? A.Davidwasnervousbecausethecompetitionwasreallyfierce. B.David'spreparationsfortheinterviewwerenotused. C.Thethreeyoungmenperformedequallywell. D.Theresultwasannouncedonthespot. 30.WhenDavidgotthejobofferhefeltatfirst. A.excitedB.puzzledC.nervousD.pleased 31.Whatcanbethebesttitleofthepassage? A.SunshineAlwaysAppearsAfterStorm B.NeverGiveUpHope C.TheMagicPowerofThankYou D.AYoungManAndHisHope.
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6分AlongtheriverbanksoftheAmazonandtheOrinocotherelivesabirdthatswimsbeforeitcanflyflieslikeafatchickeneatsgreenleavehasthestomachofacowandhasclawsonitswingswhenyoung.Theybuildtheirhomesabout4.6mabovetheriveranimportantfeatureforthesafetyoftheyoung.Itiscalledthehoatzin. Inappearancethebirdsofbothsexeslookverymuchalikewithbrownonthebackandcreamandredontheunderside.Theheadissmallwithalargesetoffeathersonthetopbrightredeyesandblueskin.Itsnearestrelativesarethecommonbirdscuckoos.Itsmoststrikingfeaturethoughisonlyfoundintheyoung. Babyhoatzinshaveaclawontheleadingedgeofeachwingandanotherattheendofeachwingtip.Usingthesefourclawstogetherwiththebeak喙theycanclimbaboutinthebusheslookingverymuchlikeprimitivebirdsmusthavedone.Whentheyounghoatzinshavelearnedtoflytheylosetheirclaws. DuringthedriermonthsbetweenDecemberandMarchhoatzinsflyabouttheforestingroupsof20to30birdsbutinAprilwhentherainyseasonbeginstheycollecttogetherinsmallerlivingunitsoftwotosevenbirdsforproducingpurposes. 21.Whatisthetextmainlyabout? A.Hoatzinsindryandrainyseasons. B.Therelativesandenemiesofhoatzins. C.PrimitivebirdsandhoatzinsoftheAmazon. D.Theappearanceandlivinghabitsofhoatzins. 22.Younghoatzinsaredifferentfromtheirparentsinthat. A.theylooklikeyoungcuckoos B.theyhaveclawsonthewings C.theyeatalotlikeacow D.theyliveonriverbanks 23.Whatcanweinferaboutprimitivebirdsfromthetext? A.Theyhadclawstohelpthemclimb. B.Theycouldflylongdistances. C.Theyhadfourwingslikehoatzins. D.Theyhadaheadwithlongfeathersonthetop. 24.Whydohoatzinscollecttogetherinsmallergroupswhentherainyseasoncomes? A.Tofindmorefood. B.Toprotectthemselvesbetter. C.Tokeepthemselveswarm. D.Toproducetheiryoung.
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Hewasinherlatethirtiesaboutaverageheightwithaansfigure.Itreferstoapersonwhohasanattractivelythinandwell﹣shapedbody
7.5分Howtomanageyouremailinbox36Weloveitandwehateit.Weneeditandwewantitbuttoooftenthepricewepayiscompleteemailoverload.Ascertainasthesunwillriseourinboxeswillbefullbymid﹣morning. Honestlywe'vedoneittoourselves.Wedependtoomuchonittocommunicateandasaresulthavemadeourselvespayattentiontoeveryoneofthem.Thisisterrible.37Everytimeanemailinterruptsyouitcoststimemoneyandbrainpower. Herearesomeofmybesttipstomanageemails 38Youcan'tgetintoworkifyoucheckemailseverytenminutes.Insteadyoushouldsetcertaintimestocheckyourinboxlikethetopofeveryhourorevery90minutes.Setatimeronyourphoneandsticktoit. Scanyourinbox.39Atthesametimedeleteeverythingthatisunnecessaryandanswertimelyrequestsfirst. 40Insteadofcreatinganemailtryspeakingwiththepersonyouwanttocommunicatewith.Oftenafive﹣minuteconversationonthelineismuchbetterthananemail. A.Emailisbecomingmoreandmoreimportantinourlives. B.Setaschedule. C.Emaiiisourfriendandtheenemy. D.Lookingthroughtheemailsquicklycansaveyourtime. E.Becauseemaiicaninterruptourworkandlife. F.Useaphone. G.Talktotheperson. 36. 37. 38. 39. 40.
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6分FiveyearsagoDavidSmithworeanexpensivesuittoworkeveryday.Iwasaclothesaddict迷hejokes.IusedtocarryafreshsuittoworkwithmesoIcouldchangeifmyclothesgotwrinkled皱的.TodayDavidwearscasualclothes﹣khakipantsandasportsshirt﹣totheoffice.Hehardlyeverwearsanecktie.I'mworkingharderthaneverDavidsaysandIneedtofeelcomfortable.Moreandmorecompaniesareallowingtheirofficeworkerstowearcasualclothestowork.IntheUnitedStatesthechangesfromformaltocasualofficewearhavebeenslow.Intheearly1990smanycompaniesallowedtheirworkerstowearcasualclothesonFridaybutonlyonFriday.Thisbecameknownasdress﹣downFridayorcasualFriday.Whatstartedoutasanextraone﹣day﹣a﹣weekbenefitforworkershasreallybecomeaneverydaythingsaidbusinessadviserMaislyJones. Whyhavesomanycompaniesstartedallowingtheirworkerstowearcasualclothes?Onereasonisthatitseasierforacompanytoattractnewworkersifithasacasualdresscode.Alotofyoungpeopledon'twanttodressupforworksaystheownerofasoftwarecompanysoit'shardtohirepeopleifyouhaveaconservativedresscode.Anotherreasonisthatpeopleseemhappierandmoreproductivewhentheyarewearingcomfortableclothes.InastudymadebyLeviStraussandCompany85percentofemployerssaidthatcasualdresshasapositiveeffectonwork.Supportersofcasualofficewearalsosaythatacasualdresscodehelpsthemsavemoney.Suitsareexpensiveifyouhavetowearoneeverydayonepersonsaid.Forthesameamountofmoneyyoucanbuyalotmorecasualclothes. 28.DavidSmithreferstohimselfashavingbeenaclothesaddictbecause. A.heoftenworekhakipantsandasportsshirt B.hecouldn'tstandacleanappearance C.hewantedhisclothestolooktidyandcleanallthetime D.hedidn'twanttospendmuchmoneyonclothes 29.Thereasonwhycompaniesallowtheirworkerstowearcasualclothesareasfollowsexceptthat. A.manyworkersdon'tlikeaconservativedresscode B.comfortableclothesmakeworkersmoreproductive C.acasualclothescodeiswelcomedbyyoungworkers D.alltheemployersintheU.S.areforcasualofficewear 30.Accordingtothispassagedress﹣downFridaymeansthat. A.onFridaycompanieswillgivetheirworkersanextrabenefit B.onFridaydress﹣downhasbecomeaneverydayphenomenon C.onFridaycompaniesallowtheirworkerstowearcasualclothesasafavor D.onFridaymanyworkerswanttowearcasualclothestoimpresspeople 31.Whichofthefollowingclothesiscasualwear? A.Khakipants. B.Suits. C.Neckties. D.Tuxedos.
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