英语阅读理解100篇

阅读理解100篇O.HenrywasapennameusedbyanAmericanwriterofshortstories.HisrealnamewasWilliamSydneyPorter.HewasborninNorthCarolinain1862.Asayoungboyhelivedanexcitinglife.Hedidnotgotoschoolforverylong,buthemanagedtoteachhimselfeverythingheneededtoknow.Whenhewasabout20yearsold,O.HenrywenttoTexas,wherehetrieddifferentjobs.Hefirstworkedonanewspaper,andthenhadajobinabank,whensomemoneywentmissingfromthebankO.Henrywasbelievedtohavestolenit.Becauseofthat,hewassenttoprison.Duringthethreeyearsinprison,helearnedtowriteshortstories.Afterhegotoutofprison,hewenttoNewYorkandcontinuedwriting.HewrotemostlyaboutNewYorkandthelifeofthepoorthere.Peoplelikedhisstories,becausesimpleasthetaleswere,theywouldfinishwithasuddenchangeattheend,tothereader'ssurprise.InwhichorderdidO.Henrydothefollowingthings?a.LivedinNewYork.b.Workedinabank.c.TravelledtoTexas.d.Wasputinprison.e.HadanewspaperJob.f.Learnedtowritestories.e.c.f.b.d.aB.c.e.b.d.f.aC.e.b.d.c.a.f.D.c.b.e.d.af.PeopleenjoyedreadingO.Henry'sstoriesbecausetheyhadsurpriseendingsB.theywereeasytounderstandC.theyshowedhisloveforthepoorD.theywereaboutNewYorkCityO.Henrywenttoprisonbecause.peoplethoughthehadstolenmoneyfromthenewspaperhebrokethelawbynotusinghisownnamehewantedtowritestoriesaboutprisonerspeoplethoughthehadtakenmoneythatwasnothisWhatdoweknowaboutO.Henrybeforehebeganwriting?Hewaswell-educated.B.Hewasnotseriousabouthiswork.C.Hewasdevotedtothepoor.D.Hewasverygoodatlearning.WheredidO.Henrygetmostmaterialforhisshortstories?Hislifeinsidetheprison.B.Thenewspaperarticleshewrote.C.ThecityandpeopleofNewYork.D.Hisexcitingearlylifeasaboy.2、（1分）Onedayafewyearsagoaveryfunnythinghappenedtoaneighbourofmine.HeisateacheratoneofLondon'sbigmedicalschools,HehadfinishedhisteachingforthesummertermandwasattheairportonhiswaytoRussiatogivealecture.箱子）.Hehadputafewclothesandhislecturenotesinhisshoulderbag,buthehadputRupert,theskeleton（人体骨骼）tobeusedinhislecture,inalargebrownsuitcase（Attheairportdesk,hesuddenlythoughtthathehadforgottentobuyanewspaper.Helefthissuitcasenearthedeskandwentovertotheshop.Whenhegotbackhediscoveredthatsomeonehadtakenhissuitcasebymistake.HeoftenwonderswhattheysaidwhentheygothomeandfoundRupert.Whowrotethestory?Rupert'steacher.B.Theneighbour'steacher.C.Amedicalschoolteacher.D.Theteacher'sneighbour.Whydidtheteacherputaskeletoninhissuitcase?HeneededitforthesummerterminLondon.Heneededitforthelecturehewasgoingtogive.HewantedtotakeittoRussiaformedicalresearch.Hewantedtotakeithomeashehadfinishedhisteaching.Whathappenedattheairport?Theskeletonwentmissing.B.Theskeletonwasstolen.C.Theteacherforgothissuitcase.D.Theteachertookthewrongsuitcase.Whichofthefollowingbesttellstheteacher'sfeelingabouttheincident?Heisveryangry.B.Hethinksitratherfunny.C.HefeelshelplesswithoutRupert.D.HefeelsgoodwithoutRupert.Whichofthefollowingmighthavehappenedafterwards?A.TheteachergotbackthesuitcasebutnotRupert.TheteachergotbackneitherthesuitcasenorRupert.TheteachergotbackRupertbutnotthesuitcase.D.TheteachergotbackboththesuitcaseandRupert.3、（1分）OntheeveningofJune21,1992,atallmanwithbrownhairandblueeyesenteredthebeautifulhalloftheBellTowerHotelinXi'anwithhisbicycle.Thehotelworkersreceivedhimandtelephonedthemanager,fortheyhadneverseenabicycleinthehotelballbeforethoughtheylivedin“thekingdomofbicycles.”RobertFriedlander,anAmerican,arrivedinXi'anonhisbicycletripacrossAsiawhichstartedlastDecemberinNewDelhi,India.A.cleverB.friendlyC.hardworkingD.strong—mindedWhenhewas11,hereadthebookMarcoPoloandmadeuphismindtovisittheSilkRoad.Now,after44years,hewasontheSilkRoadinXi'anandhisearlydreamswerecomingtrue.RobertFriedlander'snextdestinations（目的地）wereLanzhou,Dunhuang,Urumqi,etc.HewillcompletehistripinPakistan.Thebestheadline（标题）forthisnewspaperarticlewouldbe.TheKingdomofBicyclesB.ABeautifulHotelinXi'anC.MarcoPoloandtheSilkRoadD.AnAmericanAchievingHisAimsThehotelworkerstoldthemanageraboutFriedlandercomingtothehotelbecause.heaskedtoseethemanagerheenteredthehallwithabikethemanagerhadtoknowaboutallforeigngueststhemanagerknewabouthistripandwasexpectinghimFriedlanderisvisitingthethreecountriesinthefollowingorder,.A.China,India,andPakistanB.India,China,andPakistanC.Pakistan,China,andIndiaD.China,Pakistan,andIndiaWhatmadeFriedlanderwanttocometoChina?A.ThestoriesaboutMarcoPolo.B.ThefamoussightsinXi'an.C.HisinterestinChinesesilk.D.Hischildhooddreamsaboutbicycles.Friedlandercanbesaidtobe.4、（1分）Mr.GreywasthemanagerofasmallofficeinLondon.Helivedinthecountry,andcameuptoworkbytrain.Helikedwalkingfromthestationtohisofficeunlessitwasraining,becauseitgavehimsomeexercise.Onemorninghewaswalkingalongthestreetwhenastrangerstoppedhimandsaidtohim,“Youmaynotrememberme,sir,butsevenyearsagoIcametoLondonwithoutapennyinmypockets,Istoppedyouinthisstreetandaskedyoutolendmesomemoney,andyoulentme￡5,becauseyousaidyouwerewillingtotakeachancesoastogiveamanastartonthewaytosuccess.”MrGreythoughtforafewminutesandthensaid,“Yes,Irememberyou.Goonwithyourstory!”“Well,”answeredthestranger,“areyoustillwillingtotakeachance?HowdidMr.Greygettohisoffice?Hewentuptoworkbytrain.Hewalkedtohisoffice.Hewenttohisofficeonfootunlessitrained.Heusuallytookatraintothestationandthenwalkedtohisofficeiftheweatherwasfine.MrGreylikedwalkingtohisofficebecause.A.hecouldn'taffordthebusesB.hewantedtosavemoneyC.hewantedtokeepingoodhealthD.hecoulddosomeexercisesonthewayMr.GreyhadbeenwillingtolendmoneytoastrangerinordertoA.givehimastartinlifehelphimonthewaytosuccessescape（逃出）theearth'sgravityandcarryyouintospace.C.makehimrichD.gainmoremoneyOnemorningthestrangerrecognizedMr.Grey,andwantedtoreturnMr.GreythemoneyagainaskedMr.GreyformoneywouldliketomakefriendswithhimD.toldMr.GreythathehadbeensuccessfulsincethenInthesecondparagraph,“⋯takeachance”means.Mr.GrayhappenedtomeetastrangerMr.GreyhadachancetohelpastrangerMr.GreyhelpedastrangerbychanceMr.Greytooktheriskthatthestrangerwouldnotgivebackthemoneywhichhelenthim5、（1分）Evenifyouareagoodhigh-jumper,youcanjumponlyaboutsevenfeetofftheground.Youcannotjumpanyhigherbecausetheearthpullsyouhard.Thepulloftheearthiscalledgravity.Youcaneasilyfindoutthepulloftheearth.Ifyouweighyourself,youwillknowhowmuchgravityispullingyou.Sincethereisgravity,waterrunsdownhill.Whenyouthrowaballintotheair,itfallsbackdown.Becauseofgravity,youdonotfallofftheearthasitwhirls（旋转）around.Then,canwegetawayfromtheearthandgofaroutintospace?Nowyoucandoit,becausespaceshipshavebeeninvented.ThenspaceshipwillgosofastthatitcanInthispassage,theword“gravity”means.thepullofeverything.theforceofattraction（吸引）amongobjects.theforcewhichattractsobjectstowardsthecentreoftheearththeforcewhichattractstheearthtowardsthesun.Whenyouslip（滑）youalwaysfalltothegroundbecauseA.theearthalwaysturnsround.B.theearthhasgravitytheearth'sgravityisgreaterthanyourweight.D.youarecareless.GravityisstrongthatA.itcanthrowaballintotheair.B.itmakesyoujumponlysevenfeet.C.itcanletyouflyawayfromtheearth.D.itcankeepeverythingonearth.Becauseofgravity,A.waterflowseverything.B.wecangoeverywherebyship.C.wateralwaysflowsdownwards.D.fishcanliveinwater.5.WecangetawayfromtheearthbyspaceshipbecauseA.thespaceshipgoesveryfast.B.theearthcan'tpullthespaceship.C.thespaceshiphasastrongforce.D.thespaceshipcanjumphigherthanotherthings.6、（1分）Anexpensivecarspeedingdownthemainstreetofasmalltownwassooncaughtupwithbyayoungmotorcyclepoliceman.Ashestartedtomakeouttheticket,thewomanbehindthewheelsaidproudly,“Beforeyougoanyfurther,youngman,IthinkyoushouldTheofficerdidnotsayaword,knowthatthemayorofthiscityisagoodfriendofmine.Youngman,”shepersisted,butkeptwriting.“IamalsoafriendofchiefofpoliceBarens,”continuedthewoman,gettingmoreangryeachmoment,Stillhekeptonwriting.IknowJudgeLawsonandStateSenator（参议员）Patton.”Handingthetickettothewoman,theofficeraskedpleasantly,Tellme,doyouknowBillBronson.“Why,no,”sheanswered.“Well,thatisthemanyoushouldhaveknown,”hesaid,headingbacktohismotorcycle,“IanBillBronson.”ThepolicemanstoppedthecarbecauseA.itwasanexpensivecarthedriverwasaproudladythedriverwasdrivingbeyondthespeedlimitthedriverwasgoingtomaketroubleforthepoliceThewomanwasgettingmoreangryeachmomentbecause.A.thepolicemandidn'tknowherfriendsthepolicemandidn'tacceptherkindnessthepolicemanwasgoingtopunishhershedidn'tknowthepoliceman'snameThepolicemanwas.A.anhonourablefellowB.astupidfellowC.animpolitemanD.ashymanThewomanwas.kind-heartedapersonwhodependedonsomeoneelsetofinishherworktryingtofrightenthepolicemanonthestrengthofherfriends'powerfulpositionsintroducinghergoodfriends'namestotheyoungofficerThepoliceman.A.hadnosenseofhumor（幽默）B.hadssenseofhumorC.hadnosenseofdutyD.wassenseless7、（1分）ElizabethBlackwellwasborninEnglandin1821,andmovedtoNewYorkCitywhenshewastenyearsold.Onedayshedecidedthatshewantedtobecomeadoctor.Thatwasnearlyimpossibleforawomaninthemiddleofthenineteenthcentury.Afterwritingmanylettersaskingforadmission（录取）tomedicalschools,shewasfinallyacceptedbyadoctorinPhiladelphia.Shewassodeterminedthatshetaughtschoolandgavemusiclessonstogetmoneyforthecostofschooling.In1849,aftergraduationfrommedicalschool.shedecidedtofurtherhereducationinParis.Shewantedtobeasurgeon（外科医师）,butaseriouseyeproblemforcedhertogiveuptheidea.UponreturningtotheUnitedStates,shefounditdifficulttostartherownpracticebecauseshewasawoman.By1857Elizabethandhersister,alsoadoctor,alongwithanotherwomandoctor,managedtoopenanewhospital,thefirstforwomenandchildrenBesidesbeingthefirstwomanphysicianandfoundingherownhospital,shealsosetupthefirstmedicalschoolforwomen.Whycouldn'tElizabethBlackwellrealizeherdreamofbecomingasurgeon?A.Shecouldn'tgetadmittedtomedicalschoolShedecidedtofurtherhereducationinParisAseriouseyeproblemstoppedherItwasdifficultforhertostartapracticeintheUnitedStatesWhatmainobstacle（障碍）almostdestroyedElizabeth'schancesforbecomingforadoctor?A.Shewasawoman.B.Shewrotetoomanyletters.C.Shecouldn'tgraduatefrommedicalschool.Shecouldn'tsetupherhospital.Howmanyyearspassedbetweenhergraduationfrommedicalschoolandtheopeningofherhospital?A.EightyearsB.TenyearsC.NineteenyearsD.Thirty-sixyearsAccordingtothepassage,allofthefollowingare“firsts”inthelifeofElizabethBlacekwell,exceptthatshe.A.becamethefirstwomanphysicianwasthefirstwomandoctorandseveralotherwomenfoundedthefirsthospitalforwomenandchildrensetupthefirstmedicalschoolforwomenEilzabethBlackwellspentmostofherliftin.A.EnglandB.ParisC.theUnitedStatesD.NewYorkCity8、（1分）Intoday'sageoffasttravel,theworldseemsasmallerplaceandtosomepeople,alessexcitingplace,FiftyyearsagoonlyafewEnglishpeopleandholidaysabroad,Peoplewhodidn'ttravelthoughtofothercountriesasveryfarawayanddifferent.Forexample,peoplethoughttheFrenchalleatgarlic（大蒜）,theItaliansalleatspaghetti（细条实心面）.andtheAmericansalldrinkCocaCola,Thesedefinite（明确的）ideasofothernationalitiesarecalledstereotypes（规老套）.Butdowehavethesamestereotypestoday?Peopletravelmore,weallwatchthesameTVprogrammes,andideastravelquicklytoo.NowadayseveryoneeatsgarlicandspaghettianddrinksCocaCola.Everyonelistenstothesamemusic.wearsthesamefashions（流行式样）,buysthesamecars.Theyjustdoitinadifferentlanguage!NowtheworldseemstobeA.biggerandmoreC.smallerandlessexciting.smallerandmorebiggerandless2.Fiftyyearsago,Englishpeopletravelledabroad.A.manyB.fewC.onlysomeD.afew3.Peoplethoughtofothercountriesas.A.nearanddifferentB.nearandthesameremoteandverydifferentD.remoteandthesame4.Nowadays,people'sideasofothernationalities.A.havechangedB.arethesameC.aredifferentD.arealmostthesameWedon'thavethesamestereotypesbecausepeople.A.travelmoreB.watchthesameTVprogrammesC.watchdifferentTVprogrammestravelmoreandwatchthesameTVprogrammesThebesttitleforthispassagewouldbe.A.ABigWorldB.ASmallWorldC.AnExactingWorldD.AnInterestingWorld9、（1分）Weareusedtotheideaofaginginourselves.Wearesousedtothisthatitcomesasasurprisetofindthattheremaybesomeanimalsthatdonotage.Seaanemones（海葵）areanexample.Somehavebeenkeptfornearlyacenturywithoutshowinganysignsoflifelessness.Somekindsofseawormscaneven“growbackwards.”Ifkeptinthedarkandgivennothingtoeat,theygetsteadilysmaller,Theyfinallyendasaballofcells（细胞）lookingratherliketheeggfromwhichtheycame.Undergoodconditionstheballwillturnbacktoawormandstartgrowingagain.Onecouldprobablykeepthemgrowingandun-growingagainandagain.1.Someseawormsgrowsmallerwhenthey.A.loseweightB.liveinthedarknessC.areundergoodconditionsD.don'teatandarekeptinthedarkAccordingtothepassage,someseaanimals.A.willdiewhentheybecomeaballofcellsB.donotgrowoldC.willdiewithoutfoodD.willstopgrowinganytimetheywantAccordingtothepassage,whichofthefollowingstatementsinNOTtrue?A.OnTuesdayB.OnaWednesdayC.OnaThursdayD.OnaFridayA.Wecankeepcertainkindofseawormgrowingandungrowingagainandagain.Humanbeingswillgrowoldanddie.Ananemoneisakingofseawormthatcangrowbackwards.Someanemoneswilllivenearlyahundredyears.Theunderlinedwordaginginthefirstsentencemeans.A.growingoldB.theageofapersonC.gettingyoungerD.un-growingThispassageismainlyabout.A.seaanimalsB.cellsC.agingD.anemones10、（1分）NowI'dliketotalktoyouaboutyourfinalexam.TheexamwillbeheldnextThursday,thelastdayoftheexamweek.Remembertobringtwoofthreepensincaseyourunoutofink.Andunlikethemidtermexam,thistestwillnotincludemultiple--choicequestions;itwillconsistentirelyofessays（文章）.You'llhavetoanswerthreeofthefiveessayquestions.Theexamwillbecomprehensive（全面的）,whichmeansyou'llberesponsibleforallofthesubjectmatterswecoveredinclassthisterm,Iwouldsuggestyoureviewyourmidtermexamaswellastextbooksandyourclassnotes.Thefinalexamwillcountas50percentofyourgradeofthecourse.Theresearchproject（项目）willcountas20percentandthemidtermexam30percent.I'llbeinmyofficealmostalldaynextTuesday.Ifyourunintoanyproblems,pleasedropin.GoodlucktoyouandI'llseeyouonTuesday.1.Whenwillthefinalexamtakeplace?2.Whatwillbeincludedintheexam?A.Therewillbeonlymultiple-choicequestions.B.Theexamwillcontainbothmultiple-choiceandessayquestions.C.Theexamwillhaveanoralandawrittensection.D.Therewillbeonlyessayquestions.3.Whydoestheteachercalltheexamcomprehensive?A.Itwillbeeasytounderstand.B.Studentswillbetestedonallthematerialdiscussedinclass.C.Itwillcovertopicsfromawidevarietyofsubjects.D.Studentsmustcompleteallpartsofit.4.TheunderlinedphraserunintoprobablymeansA.gointoB.meetsomebodyunexpectedlyC.comeupagainstsomethingwithforceD.comeacross5.Whenwasthistalkmostlikelygiven?A.DuringthefirstweekofclassB.DuringmidtermweekC.OnthelastdayofclassD.Onthelastdayofexamweek11、（1分）WhenDeanArnoldgothisfirstjob,hewasmiserable（痛苦的）,Eachtimehewenttowork,hecoughedandhecouldn'tbreathe.Workinginabakery（面包房）whenyouareallergicto（对⋯过敏）flourcanbepainful.ButArnoldstayedwiththeNationalBiscuitCompanyfortenyears.Hewasabusinessmanandhehelpedthemimproveproduction.Atlasthishealthproblemsbecametooserious.Heleftandformedhisowncompany.Withhiswifeandmother,hefoundedArnoldBakery.Theytriednewrecipes（配方）.changingthekindandamountofflourused.ThisenabledArnoldtoworktherewithouttoomuchpain.Thebread,madewithunbleachedflour（标准粉）,wasbakedinabrickoven（烘炉）.Theybeganbybakingtwodozenloaves.Thebreadwassolddoortodoorforfifteencentsaloaf.Winningcustomerstohisunusual,old-fashionedbreadtooktime.ButArnold,strugglingagainsthisallergy,builthisbakeryintooneofthelargestintheUnitedStates.Agoodtitleforthispassagewouldbe.A.ASickBakerB.ABrick-ovenBreadBakerC.AnOld-fashionedBakerD.HowtoOvercomeAllergyDeanlefttheNationalBiscuitCompanybecauseheA.sufferedfromallergytoflourB.didn'tlikethejobC.wantedtomakemoremoneyD.wantedtoformhisowncompanyDuringhisstayintheNationalBiscuitCompany,hefoundedArnoldBakeryhetriedanewmethodofbakinghehelpedthecompanyimprovetheirproductionhebecamesuccessfulinhisbusinessWhichofthefollowingisNOTmentionedinthepassage?Arnold'sbreadwasbakedinabrickoven.Arnold'sbreadwasmadewithunbleachedflour.Arnold'sbreadwassoldatalowprice.Arnold'sbreadwasofpoorquality.FromthepassagewecanconcludethatArnoldwas.determinedB.braveC.unusualD.unhealthy12、（1分）Whenweseewell,wedonotthinkaboutoureyesveryoften.Itisonlywhenwecannotseeperfectlythatwerealizehowimportantoureyesare.Peoplewhoarenear-sightedcanonlyseethingsthatareveryclosetotheireyes,Everythingelseseemsblurry（=unclear）.Manypeoplewhodoalotofwork,suchaswriting,readingandsewingbecomenear—sighted.ThenPeoplewhoarefar-sightedsufferfromjusttheoppositeproblem.Theycanseethingsthatarefaraway,buttheyhavedifficultyinreadingabookunlesstheyholditatarm'slength.Iftheywanttodomuchreading,theymustgetglasses,too.Otherpeopledonotseeclearlybecausetheireyesarenotexactlytherightshape.Theyhavewhatiscalledastigmatism（散光）.This,too,canbecorrectedbyglasses.Somepeople'seyesbecomecloudybecauseofcataracts（白障）.Longagothesepeopleoftenbecameblind.Now,however,itispossibletooperateonthecataractsandremovethem.Havingtwogoodeyesisimportantforjudgingdistances.Eacheyeseesthingsfromaslightlydifferentangle（角度）.Toprovethistoyourself,lookatanobjectourofoneeye;thenlookatthesameobjectoutofyourothereye.Youwillfindtheobject'srelationtothebackgroundandotherthingsaroundithaschanged.Thedifferencebetweenthesetwodifferenteyeviewshelpsustojudgehowfarawayanobjectis.Peoplewhohaveonlyoneeyecannotjudgedistanceaspeoplewithtwoeyes.Weshouldtakegoodcareofoureyes.onlywhenwecanseewellonlywhenwecannotseeperfectlyevenifwecanseewellonlywhenwerealizehowimportantoureyesareTOC\o"1-5"\h\zWhenthingsfarawayseemindistinct（模糊不清）,oneisprobably.near-sightedB.far-sightedC.astigmaticD.sufferingfromcataractsTheunderlinedwordsufferinthethirdparagraphprobablymeans.experienceB.imagineC.feelpainD.areaffectedwithHavingtwoeyesinsteadofoneisparticularlyusefulfor.seeingatnightB.seeingobjectsfarawayD.judgingdistancesC.lookingoverawideareaPeoplewhosufferfromastigmatismhave.oneeyebiggerthantheothereyesthatarenotexactlytherightshapeadifficultythatcanbecorrectedbyanoperationaneyedifficultythatcannotbecorrectedbyglasses13、（1分）Grandmawasawonderfulstory-teller,andshehadasetofpriceless,individually（独特地）tailoredstorieswithwhichAmericangrandparentsofherdaybroughtupchildren.Therewasthestoryofthelittleboyswhohadbeentaughtcomplete,quickobedience（服从）.Onedaywhentheywereoutonthegrassyplain,theirfathershouted.“Falldownonyourfaces!”Theydid,andtheterribleprairie（草原）firesweptoverthemandtheyweren'thurt.Therewasalsothestoryofthreeboysatschool,eachofwhomreceivedacakesentfromhome.Onesavedhis,andthemiceateit;oneateallofhis,andhegotsick;andwhodoyouthinkhadthebesttime?—Why,ofcourse,theonewhosharedhiscakewithhisfriends.Whatisthemainideaofthispassage?Childrenshouldobeytheirparentsquickly.Childrenshouldsharewithothers.Theauthorremembersmanyofhergrandma'swonderfulstories.Thegrandma'sstorieshelpedteachthechildrenmoralsandgoodmanners.Whichofthefollowingdetailssupportsthemainideaofthepassage?Thechildrenweresavedfromthefirebecausetheyfolloweddirections.Grandmatoldastoryofthreeboysatschool.Eachofthethreeboysgotacakesentfromhome.D.Thebigprairiefiresoonspreadovertothevillage.Whichofthefollowingstatementsistrue?Theauthorwassavedfromthefire.Theauthorwasbroughtupfromhisgrandmother.Grandmawasgoodattellingchildrenstories.Grandmatoldstoriestochildrenjustforfun.Allofthefollowingwerenotpraisedbytheauthorexcept.theboywhosharedhiscakewithotherstheboywhoateupallhiscakebyhimselftheboywhokeptthecakeforthefutureD.theboyswhodidn'tobeytheirparentsAccordingtothispassage,theunderlinedwordtailoredprobablymeansA.measuredB.speciallypreparedC.cutD.invented14、（1分）Themostimportantuseofdrifting（漂流）bottlesistofindoceancurrents.Whenthepositionanddirectionofcurrentsareknown,shipscanusetheforwardmovementofacurrentorstayawayfromcurrentsthatwouldcarrythemofftheircourse.BenjaminFranklinwasoneofthefirsttousebottlesinthestudyofcurrents.HewonderedwhyBritishmallshipsneededaweekortwolongerthanU.S.shipsneededinordertocrosstheAtlanticOcean.FranklinthoughttheGulfStream（墨西哥湾流）mightexplainthisdifference.FranklintalkedwithcaptainsofU.S.ships.HefoundthattheykneweachturnoftheGulfStream.Theyusedthecurrentineverypossibleway.Fromhistalkswiththecaptains.FranklinmadehisfirstmapoftheGulfStream.Thenhecheckedhismapbyusingsealed（密封的）bottles.Themapthathefinallymadeisstillused,withonlyafewchanges,today.Whyaredriftingbottlesused?A.Todeterminethepositionofaship.B.Tofindthedirectionofacurrent.C.Topredictthedirectionofaship.D.Tocarrymessageacrosstheocean.WhatledFranklintotalkwithU.S.captains?A.U.S.shipswerelongerthanBritishones.BritishshipscouldsailtheAtlanticfasterthanU.S.ones.U.S.shipscouldsailtheAtlanticfas