課時(shí)6

SectionB(3a－SelfCheck)

Unit13We'retryingtosavetheearth!一、用括號(hào)中所給單詞的適當(dāng)形式填空。1.Sofar,no_________(science)studieshaveshownthatthereislifeonotherplanets.2.Doyouknowthe_________(different)betweenthesebooks?3.Sometall_________(build)willbebuiltintown.返回目錄scientificdifferencesbuildings4.It’simportantforustohave_________(create).5.Gregwasa(n)_________(luck)boy.Helostanarminanaccident.返回目錄creativityunlucky二、單項(xiàng)選擇。6.［2023·丹東模擬］—Doyouoftengetonline?—Yes.I____lotsoftimeonit.A.costB.spendC.takeD.pay返回目錄B7.Eatingtoomuchjunkfoodis____yourhealth.Soyou’dbetterstayawayfromit.A.harmfultoB.friendlytoC.suitableforD.goodfor返回目錄A8.—Theclassroomissobrightnow.Youshould____thelights.—OK,Iwill.A.turnonB.turnupC.turndownD.turnoff返回目錄D9.［2023·營(yíng)口模擬］Wemustdosomethingusefulto____pollution.A.cutoffB.cutupC.cutdownD.cutinto返回目錄C10.[易錯(cuò)題]Water____intoiceifthetemperaturedropsbelowzero.A.turnB.turnsC.turnedD.wouldturn返回目錄B三、按要求完成句子，每空一詞。11.Allofasudden,itgetsdark.（改為同義句）________,itgetsdark.返回目錄Suddenly12.Ichoosetorideabike.Ichoosenottodriveacar.（合并為一句）Ichoosetorideabike________________drivingacar.返回目錄insteadof13.Wedon’thaveenoughmoneytobuythathouse.（改為同義句）We________________tobuythathouse.返回目錄can'tafford14.Canyougivemesomeadviceonhowtosolvetheproblems?（改為同義句）Canyougivemesome__________onhowtosolvetheproblems?返回目錄suggestions15.Thegovernmentaskedsomefactoriestoclosetoprotecttheair.（改為被動(dòng)語(yǔ)態(tài)）Somefactories________________________________bythegovernmenttoprotecttheair.返回目錄wereaskedtoclose四、［2023·撫順月考］完形填空。“Mostpolar（北極）bearscoulddisappearbytheendofthecenturybecauseofglobal（全球）warming,”scientistssay.AccordingtoastudyinNatureClimate（氣候）Change,thenumberofpolarbearswill16____rapidly（快速地）by2080.16.A.developB.fallC.increaseD.improveB返回目錄Therearetworeasons.Oneisthattheseaiceismelting（融化）.Polarbearscatchseals（海豹）toeatontheice.17____

ice,theyhavetostayonland.17.A.ThroughB.AcrossC.WithoutD.Except返回目錄CButthereisno18____foodonlandtosupportsomanypolarbears.Theanimalscoulddiefromhunger.18.A.enoughB.goodC.sweetD.delicious返回目錄A返回目錄Theotherreasonisthatmotherpolarbearsmaynotbefatenoughto19____

milkfortheirbabies,sosomepolarbearscouldstophavingbabies.19.A.protectB.processC.prepareD.produceDPolarbearsare20____

landanimalsthateatmeatontheplanet.Theyhelpcontrolotherkindsofanimals.Losingthemwouldbreakthebalanceoftheirlivingplace.20.A.thelargestB.theloveliestC.thesimplestD.theluckiest返回目錄ATheArctic（北極）is21____

toabout25,000polarbears.Arcticseaiceusuallymeltsinspringandsummer,andthengrowsinwinter.21.A.roomB.familyC.houseD.home返回目錄DButnow,the22____

istakinglongertogrowback.ScientistssaytheArcticiswarmingtwiceasfastastherestoftheplanet.22.A.seaB.iceC.plantD.animal返回目錄BThestudyalsoshows23____

itispossibletoslowArcticseaicemelting.Greenhousegases（溫室氣體）couldleadtoclimatechange.Inordertoavoidcreatinggreenhousegases,theworldshouldtrytostopburningcoalandridingincars.23.A.ifB.whenC.thatD.whetherC返回目錄Savingthebearsis24____us.Holland,oneofthewritersofthestudy,says,“Ibelievethereishope,buthumansneedtoact25____

tomakethathopecometrue.”Let’stakeactiontoprotectourearthandsavepolarbears.24.A.uptoB.hardonC.goodwithD.thankfulto25.A.widelyB.clearlyC.quicklyD.quietlyAC返回目錄五、短文還原（有一項(xiàng)為多余選項(xiàng)）。Ahealthyenvironmentisveryimportanttoeveryone,butsomepeopledon’trealizetheimportanceofprotectingtheenvironment.26._____Weknowit’severyone’sdutytoprotectourenvironment.Herearethreewordspeopleshouldrepeatwhenfacingtheproblemsabouttheenvironment.CA.Saveasmuchmoneyasyoucan.B.Repairthemifpossible.C.Theythrowwasteeverywhere.D.Donotordermorefoodthanyoucanfinish.E.Divideyourrubbishintoplastic,glass,paper

andrubber.返回目錄ReduceReducemeans“usethingsless”.Donotwastethings.Itsavesmoneyandcauseslesspollution.27._____Turnoffthelightswhenyoudonotneedthem.Beforeyoubuysomethingnew,thinkwhetheritisreallynecessarybecausemaybetheoldoneisjustasgood!返回目錄DA.Saveasmuchmoneyasyoucan.B.Repairthemifpossible.C.Theythrowwasteeverywhere.D.Donotordermorefoodthanyoucanfinish.E.Divideyourrubbishintoplastic,glass,paper

andrubber.ReuseReusemeans“usethingsagain”.Usethingsforaslongaspossible.Lookafterthemsothattheywilllast.28._____Donotthrowthemawayandbuynewones.Donotusepapercupsorpaperbags.返回目錄BA.Saveasmuchm