第一篇 Unit 5 晚自习作业.docx
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第一篇 Unit 5 晚自习作业.docx
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第一篇Unit5晚自习作业
Unit5 冠 词
Ⅰ.单项填空
1.—Look!
Sammyhas________tenseexpressiononherface.
—Soshedoes.Itseemsthat________newsistrue.
A.a;/B.a;theC.the;/D.the;a
2.“Longtimenosee”is________sortofinformal,butitispartof________languagethatAmericansusedaily.
A.the;aB.a;theC.不填;theD.a;a
3.Ifyougoby________train,youcanhavequiteacomfortablejourney,butmakesureyouget________fastone.
A.the;theB.不填;aC.the;aD.不填;不填
4.Numbersofterroristsattacksinthelastfewyearshavesignaledthatcounterterrorismremains________longtermgoalfor________world.
A.the;aB.a;theC.the;theD.a;a
5.—Ifind________environmentisgettingworseandworse.
—Yes,thatisbecausewehumangoagainst________nature.
A.the;theB.the;/C.an;theD./;the
6.________beautyof________picturedoesnotdependonlyonitssubjectbutonitsstyle.
A.The;aB.A;theC.The;theD.A;a
7.Itwasnot________surprisethattheyoungmandidn’tgettheopportunitytoreach________finalinthegame.
A.the;aB.the;/C./;aD.a;the
8.Havingreceived________trainingoftheTCLCompany,hewasoffered________importantpositioninmanagement.
A.the;anB./;anC.the;/D.a;a
9.Iwonderwhatitfeelsliketobeoneof________reallyrich.TheBrownsalreadyhaveRollsRoyceandnowtheyarebuying________third.
A.the;theB./;aC.the;aD./;the
10.At________dawn,theriverwaterhadrisento________heightofthemainroadbesideit.
A.the;aB./;theC.the;theD./;a
Ⅱ.完形填空
ScientistsannouncedonSundaythefirstdirectevidencethatmassivefloodsdeepbelowAntarctica’sicecoverarespeedinguptheflowofglaciers(冰川)intothesea.
Howquicklythesehugebodiesofice1offtheAntarcticandGreenlandlandmassesintotheocean2determinethespeedatwhichsealevelsrise.
Theresultsarefrightening:
Anincreasemeasuredintensofcentimeterscouldmakehundredsofmillionsofpeopleindanger,3inlowlyingdeltasandislandnations4theworld.
Researchersdiscoveredonlyrecentlythatinvisible5inAntarcticaperiodically6flowalot.
Datacollected7asatellitelaunchedin2003—theIce,CloudandLandElevationSatellite,orICESat—showeda8networkofwaterflowinwhichwaterperiodicallyflowsfromone
9laketoanother.
Butthenewstudy,10onlineinthejournalNatureGeoscience,isthefirstto11thepotentialimpactofthisinvisiblefloodingonseaboundglaciers.
Thethreeofscientists12byLeighStearnsoftheClimateChangeInstituteattheUniversityofMainematchedICESatdataagainstanearly50year13ofhowfasttheByrdGlacierinEastAntarcticahas14towardthesea.
Theydiscoveredthatduringthesame14month15that1.7cubickmofwaterflowedthroughnetworkwaterways,the75kmlongglacierdownstreamspeedup,movingabout10percentfaster.
“Ourfindings16directevidencethatanactivelakedrainage(排水)systemcan17largeandrapidchangesinglaciermovements,”theresearchers18.
“Wateractsasalubricant(润滑剂),19friction(摩擦)atthebaseoftheiceandmakingiceflowfaster,”explainedHelenFrickeroftheScrippsInstitutionofOceanographyofCaliforniainacommentary,alsoinNatureGeoscience.
Thestudy20togrowingscientificconcernaboutthepaceatwhichglaciersaremeltingintotheseas.
1.A.walkB.slideC.jumpD.run
2.A.stopB.causeC.helpD.prevent
3.A.travellingB.workingC.livingD.visiting
4.A.aroundB.onC.atD.above
5.A.streamB.poolC.seaD.lakes
6.A.mightB.mustC.needD.should
7.A.asB.pastC.onD.by
8.A.simpleB.complexC.interestingD.invisible
9.A.hiddenB.studiedC.openedD.stopped
10.A.writtenB.publishedC.saidD.put
11.A.watchB.lookC.countD.measure
12.A.broughtB.instructedC.ledD.taken
13.A.recordB.discoveryC.levelD.invention
14.A.playedB.movedC.actedD.stayed
15.A.dateB.weekC.momentD.period
16.A.moveB.proveC.provideD.seem
17.A.makeB.causeC.takeD.give
18.A.concludedB.saidC.toldD.showed
19.A.addingB.preventingC.equalingD.reducing
20.A.reducesB.relatesC.addsD.adapted
Ⅲ.阅读理解
Connie’spicturefocusesonthebenefitofusingalternativeenergysourceslikewindandsolarpowertoreduceournegativeimpactontheenvironment.ConniesayssheismotivatedbyherloveofanimalsandinspiredbyformerVicePresidentAlGoreandhiseffortstoreduceglobalwarming.Conniehopestocontinuetopromoteenvironmentalawarenessthroughherart.“Ourfuturewillbecoldandwildifwedon’tdosomething,”shetoldTIMEForKids.
Asthesecondplacewinner,ConniereceivedanallexpensepaidtriptotheChicagoBotanicGardentocelebrateWorldEnvironmentDayonJune5th.There,shejoinedlocalChicagowinnersPatrickLambe,7,andAndreyVelizarowSomeonovski,12,towatchtheunveiling(展出)ofanartexhibitthatwilleventuallyfeaturethecompetition’swinningpicturesfromaroundtheworld.Thefirstplacewinner,CindyLiu,10,fromSanJose,California,flewtoWellington,NewZealandtoparticipateinaWorldEnvironmentDaycelebrationthere.
EveryyearonJune5th,theUnitedNationsencourageseveryonetocelebrateWorldEnvironmentalDay.Thedayisdesignedtoraiseglobalawarenessofimportantenvironmentalissues.Thisyearmarksthe36thWorldEnvironmentalDaycelebration.
InNorthAmerica,TheBayerCorporationandtheUnitedNationsEnvironmentProgramgavemoneytothecelebrationattheChicagoBotanicGarden.Alloftheeventsatthedaylongcelebrationreflectedthisyear’stheme,“KicktheCO2orCarbonHabit!
”Carbonisagreenhousegasthatcontributestoglobalwarming.
Atthecelebration,Dr.MaeJemison,thenation’sfirstAfricanAmericanfemaleastronaut,spoketokidsaboutwhattheycandotokickthecarbonhabit.“Thisisimportantstuff!
”sheexclained.“Eachoneofushasanincredibleimpactonwhatisgoingonintheworldinourownsmallways.”
Jemisonhasseenfirsthandthedamagesthathumanscancausetheenvironment.ShesaysthatwhiletravelinginspaceshecouldseetheairpollutiononEarth.Shealsosawdesertedareasofdeforestedland.
1.Conniehasdrawnherpicturewithathemeof________.
A.globalwarming
B.environmentalawareness
C.beingenvironmentfriendly
D.loveofanimals
2.FromthepassagewecanlearnthepicturecompetitionConnietookpartinwasheldto________.
A.celebrateWorldEnvironmentDay
B.reduceournegativeimpactontheenvironment
C.watchtheunveilingofanartexhibit
D.promoteenvironmentalawareness
3.Withthetheme“KicktheCO2orCarbonHabit!
”,peoplearetryingto________.
A.contributetoglobalwarming.
B.raiseglobalawarenessofimportantenvironmentalissues
C.removealltheCO2ontheglobe
D.reduceglobalwarming
4.Bysaying“Eachoneofushasanincredibleimpactonwhatisgoingonintheworldinourownsmallways”,Dr.MaeJemisonmeansthat________.
A.everyonehastoanswerforthedamagesthathumanshavecausedtotheenvironment
B.wecanonlyaffectwhatisgoingonintheworldinourownsmallways
C.eachpersonhastheresponsibilitytodosomethingtoreduceglobalwarming
D.theeffecteachoneofushasonwhatisgoingonintheworldisunbelievable
Ⅳ.根据短文内容,从下框的A~F选项中选出能概括每一段主题的最佳选项。
选项中有一项为多余项。
1.________
Nowadays,millionsofpeoplemisuseandevenoverusepainmedicationsandotherdrugs.ResearchbytheAmericanNationalInstituteonDrugAbuse(NIDA,1999)showsthataround2%ofthepopulationoverage12wereusingdrugsnonmedically.
2.________
NIDAviewsmedicationsasapowerfulforceforgoodinthecontemporaryworld.Theyreduceandremovepainformillionsofpeoplesufferingfromillnessanddisease.Theymakeitpossiblefordoctorstoperformcomplicatedsurgerytosavelives.Manypeopleafflictedbyseriousmedicalconditionsareabletocontroltheirsymptomsandbecomeactive,contributingcitizens.NIDApointsoutthatmostindividualswhotakethesedragsusetheminaresponsibleway.
3.________
Nevertheless,overuseofdrugssuchasopioids,centralnervoussystem(CNS)depressantsandstimulantsdoesleadtoharmfulrelianceinsomepeopleandisthereforebecomingaseriouspublichealthconcern.Althoughthisabuseaffectsmanypeopleworldwide,particulartrendsofconcerntothemedicalprofessionintheUSappearamongolderadults,teenagersandwomen.
4.________
Thoughitmaybeasurprisetomany,themisuseofmedicationsmaybethemostcommonformofdrugabuseamongtheelderly.DrKennethSchraderofDukeUniversity,NorthCarolinastatesthatalthoughtheelderlyrepresentabout13%oftheUSpopulation,thoseaged65andoveraccountfortheconsumptionofonethirdofalldrugs.Peopleinthisagegroupusemedicationsroughlythreetimesmorethanthegeneralpopulationandhavepoorercompliancewithinstructionforuse.Inanotherstudyofelderlypatientsadmittedtotreatmentprograms,70%werewomenwhohadoverusedmedicines.
5.________
Unfortunately,thistrendamongwomendoesnotonlyaffectthoseagedover.
Ingeneral,amongwomenandmenwhoareusingeitheranantianxietydrugorasedative,womenaretwiceaslikelytobecomeaddicted.Inaddition,statisticscompiledfor1217yearoldsshowthatteenagegirlsaremorelikelythanteenageboystobeginoverusingpsychotherapeuticmedicationsuchaspainkillers,tranquillisers,stimulantsandsedatives.
参考答案
Ⅰ.
1.解析:
以辅音音素开头的词前加a;此处news为说话双方都知道的消息。
答案:
B
2.解析:
sortof意为“有几分,有些”;language后接定语从句,故应为特指。
答案:
C
3.解析:
by+交通工具时,by后无冠词;而第二个空为泛指。
答案:
B
4.解析:
remain/keep...agoal意为“以……为目标”;theworld为独一无二的事物。
答案:
B
5.解析:
指自然环境或生态环境时,environment前面要加the;作“自然、自然界”解的nature是不可数名词,前面通常不用冠词。
答案:
B
6.解析:
名词后有修饰成分时,前加the;apicture表泛指。
答案:
A
7.解析:
surprise表“令人惊讶的人(事)”,前加a;reachthefinal指“到最后,到达终点”。
答案:
D
8.解析:
training后有修饰成分为特指;important以元音音素开头,故用an。
答案:
A
9.解析:
the+某些形容词表一类人或物;a+序数词表“再一、又一”。
答案:
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