仁爱版九年级上英语Unit1-Topic1-练习题

1Ⅰ.单项选择。()1.—Howlong_____you_____here?—SinceIcameherefiveyearsago.A.have,studiedB.did,liveC.do,stayD.were,swimming()2.—Don’teattoomuchcandy,forit’s_____yourteeth.—Oh,Igetit.Thankyou.A.harmtoB.goodforC.badlytoD.harmfulto()3.Thereis_____pollutionintheworld.Wemuststopit.A.muchtooB.toomuchC.manytooD.toomany()4.—Istheflowerbeautiful?—Yes,at_____it’s_____theoneyouboughtforme.A.last,asbadasB.least,nobetterthanC.last,notbetterD.least,noworsethan()5.Pollutiondoesharmtoourhealthanditmakespeople_____.A.tofeelterribleB.feelterribleC.tofeelterriblyD.feelterribly()6._____Tom_____Marialovesthissport.A.Both,andB.Notonly,butalsoC.I,andD.Both,or()7._____theenvironmentisimportantforhumanbeings.A.TakecareofB.TakingcareofC.TookcareofD.Takethecareof()8.—Haveyoufinishedyourhomework?—Not_____.I_____TVlastnight.A.already,havewatchedB.yet,watchedC.just,watchD.ever,watches()9.—Itsmellsterrible.Whathashappenedhere?—Look,thereismuchwastegas_____fromthechemicalfactory.A.pourB.pouringC.pouredD.pours()10.WhenIwaswalkinginthestreetyesterday,IsawaUFO_____overmyhead.A.flyingB.fliesC.flewD.toflyⅡ.完形填空。Asweallknow,theenvironmentaroundusisgettingworseandworse.Insomeplaceswecan’tseefish16intheriverortreesonthehills.Somepeopleevenhavenocleanwatertodrink.Recently,anewlifestylecalledlowcarbon（低碳）lifeisspreadingeverycornerofourcountry.Themeaningsoflowcarbonare17energyandnowaste.ItissuchanimportantprojectthatIcan’twaittoexpressmyideasonhowtopromoteit.First,weshould18ano-cardayeveryweekinourschool.Becausecarsnotonlycauseseriousairpollutionbutalsowasteenergy.19theno-carday,neitherstudents20teachersareallowedtodrivetoschool.Atthesametime,justwalkorrun.Useourlegsandenjoythefun.Second,wehadbetternotuseplasticbags21.Noonecanstandthe“whitepollution”，22itiswisetouseclothbagswhichcanbeusedagainandagain.23，onethingthatweshouldkeepinmindisthateverybigthingcomesfromthesmalldetails.So,asstudents,weoughttoturn24thelightsthemomentweleave,use25sidesofthepaper,andreuseourtextbooksandsoon.Allinall,itweighsgreatlyforallofustoputthelowcarbonlifestyleintopractice.Justsetourmindtothese：no-cardays,noplasticbags,andnowaste.Let’sdoitnow.()16.A.swimsB.swimmingC.toswimD.swam()17.A.belowB.highC.aboveD.low()18.A.setoffB.setupC.putonD.putdown()19.A.InB.AtC.OnD.With()20.A.norB.orC.bothD.and()21.A.anymoreB.nomoreC.nolongerD.never()22.A.becauseB.soC.butD.although()23.A.FinallyB.3rdC.4thD.5th()24.A.upB.downC.onD.of()25.A.bothB.eachC.everyD.allⅢ.阅读理解。(A)Theearthisabout4,600millionyearsold.Modernmanhaslivedontheearthforonly35,000years,butduringthattime,wehavechangedourplanetinmanyways.Manyofthethingsthatwehavedonearegood,butmorearenotgoodfortheearth.WaterPollutionAlotofpeople,birdsandfishdieeachdaybecauseofwaterpollution.Factorieshavepollutedthelandandthewater.Asaresult,manyriversandlakesarenowdead.AirPollutionInbigcities,factories,aswellascars,trucksandbusesarethemaincausesofairpollution.Manypeopleincitiesnowhaveserioushealthproblems.Forexample,Mexicocityusedtobeabeautifulsunnycapital,buttodayitisalwayscoveredbythickbrownclouds.SoilPollutionInordertohaveagoodharvest,mostofthefarmersusechemicalstoomuchintheirfields.That’sbadforthesoil.Butthiskindofpollutionisdifficulttostop.HopefortheFutureTheseproblemsareveryseriousforourfuture,soallofusshoulddosomethingtoimproveourenvironment.Ifwecanstoppollution,ourplanetwillbecomemoreandmorebeautifulandourhealthwillbebetter.Let’sbegreenerpeople!()26._____havemadetheearthchangealot.A.HumanbeingsB.AnimalsC.PlantsD.Peopleinotherplanets2()27.Thereare_____kindsofpollutioninthispassage.A.twoB.threeC.fourD.five()28._____isabigproblemnow.A.PollutionB.PopulationC.EducationD.Medicaltreatment()29.WhichsentenceisNOTtrueaccordingtothepassage?A.Mostofthethingsthatwehavedonearegoodforourplanet.B.Wemuststopthefactoriesfrompouringwastewaterintotheriversandlakes.C.Becauseofwaterpollution,manyriversandlakesarenowdead.D.Waterpollutionisveryseriousnowadays.()30.WhichsentenceisTRUE?A.ThoughMexicocityisalwayscoveredbythickbrownclouds,it’sstillabeautifulsunnycapital.B.Airpollutioncanmakepeoplesick.C.Nowfewerfarmersusechemicalsinthefields.D.Factories,cars,trucksandbusesarethemaincausesofsoilpollution.(B)Isthewhaletheworld’slargestfish?No.Itlookslikeafish,butitisreallyamammal(哺乳动物).Thenwhat’stheworld’slargestfish?It’sthewhaleshark（鲸鲨）.Althoughthewhalesharkisourbiggestfishandlivesinmanyoceans（海洋）aroundtheworld,fewpeoplehaveeverheardofit.Scientistshavenotbeenstudyingwhalesharksforverylong.Muchmoreneedstobelearnedaboutthem.Awhalesharkissometimescalleda“gentlegiant(温柔的巨人)”.Itlikestobealoneanddoesn’tcareabitaboutdiversorhumans.Thebiggestwhalesharkweighed24,250poundsandwasnearly40feetlong.Thismakesitheavierandlongerthanaschoolbus.Insideitshugemoutharegreatnumbersofverysmallteeth.Tocountallofthem,you’llneedtodosomemath.Thewhaleshark’steetharearrangedinrows.Therearebetweenelevenandthirteenrowsoneachjaw(颚)andaroundthreehundredteethineachrow.However,thewhalesharkrarelyusesitsteeth.Itdoesnotcheworbiteitsfood.Largeamountsofwaterarepulledintoitsmouthandthenpushedoutthroughitsgills(鳃).Fo