Unit13SectionBSelfCheck作业课件人教版九年级英语全册

第七课时SelfCheck【精析】四者都有“花费”的意思，但用法不同。cost主语通常是物，常用于sth.cost(s)sb.somemoney句型中，意为“某物花费某人多少钱”；spend主语通常是人，常用于spendsomemoney/time(in)doingsth.结构中，意为“花费金钱/时间做某事”，也用于spendmoney/timeonsth.结构中，意为“在某方面花费金钱/时间”；take常用it作形式主语，常用于Ittakes/tooksb.sometimetodosth.句型中，意为“做某事花费某人多长时间”；pay主语是人，常用于sb.pay(s)/paidsomemoneyforsth.句型中，意为“某人为某物花费多少钱”。【精练】(

)1.—Doyouoftengetonline?—Yes.I________lotsoftimeonit.A．costB．spendC．takeD．pay(

)2.—Yournewskirtlooksverynice.Howmuchisit?—It________me￥200.A．costB．paidC．spentD．afforded3．ShespendsanhourreadingEnglisheveryday.(改为同义句)It______heranhourto______Englisheveryday.4．ThenewTVcostme6，000yuan.(改为同义句)I__________6，000yuan________thenewTV.BAtakes

readpaid/spent

for/on【精析】thenumberof意为“……的数量”，后面接名词复数，谓语动词用单数形式；anumberof意为“大量；许多”，相当于alotof，后面接名词复数，谓语动词用复数形式。【精练】(

)5.There________anumberofmembersintheGreenLifeClub.Thenumberofthem________30now.A．are；areB．are；isC．is；isD．is；are(

)6.Anumberoftourists________Dalibecauseit'ssuchabeautifulcity.A．havegonetoB．hasbeentoC．havebeentoD．hasgonetoBC【精析】takepartin意为“参加”，常指参加某项群体活动并在活动中发挥作用；join表示“参加；加入”，通常指参加或加入某个组织或社团，并成为其中一员；joinin表示“参加”，后可接比赛、活动等名词。joinsb.in(doing)sth.意为“和某人一起做某事”，其中“in(doing)sth.”可省略。【精练】(

)7.IfJohn________thetalentshow，hewouldwinitforsure.A．joinedB．joinsinC．takespartinD．tookpartin(

)8.MybrotherJack________thearmyfor5years.A．hasjoinedB．hasjoinedinC．hasbeeninD．hastakenpartinDCwhenpeoplebeganto5thattherewasnotenoughoilontheearth，theyaskedcarmakerstoproducemoreefficient(高效能的)andlesspollutingcars.One6ofsolvingtheproblemwasa“hybrid”car，onethatranpartlyongasolineandpartlyonelectricity.Hybridcarsbecamepopularinthe2000sbecausegasolinepriceswentupwhilepricesofhybridcars7.Anall­electriccarusesnogasoline.Theproblem，however，isthatcarbatteries(电池)needtoberecharged(再充电).Thatmakeselectriccarsnotso8forlongjourneys.Manypeoplearenotpleasedwithit.Thegovernmentandcarmakersareworkingtogetherto9safe，cheapandusefulelectriccars.Whenmoreandmorepeoplehavetheseelectriccarsinthefuture，gasolinestationsmay10.(

)1.A.fewerB．moreC．fasterD．bigger(

)2.A.pricesB．placesC．stationsD．keepers(

)3.A.insteadB．stillC．yetD．forever(

)4.A.pushedB．controlledC．causedD．wasted(

)5.A.imagineB．startC．keepD．realize(

)6.A.wayB．personC．articleD．style(

)7.A.wentoutB．wentupC．wentawayD．wentdown(

)8.A.differentB．suitableC．deliciousD．dangerous(

)9.A.describeB．developC．forgetD．protect(

)10.A.discoverB．designC．buildD．disappearBAACDADBBD二、阅读理解。Windpowerisaverycleansource(资源)ofenergy.Thisishowwindpowerworks.Windmakeswindmills(风车)spin(旋转).Whenthewindmillsspin,theymakeelectricity.Thenwecanusetheelectricity.Alotofpeoplethinkthatwindpowerisnew,butthat'snottrue.Forthousandsofyears,peoplehaveusedwindtosailboatsandmovewater.Westilldothosethingstoday,butthesedayswemostlyusewindpowertomakeelectricity.Windpowerisaverypopularsourceofenergy.Mostpeoplethinkthatweshoulduseitmoreandmore.Firstofall,it'sclean.Windmillsdon'tpollutetheenvironmentatall.Second,wecanusewindpowerforever.Afterall,wewillalwayshavewind.Also,windpowerischeap,andit'sgettingevencheaper.Alotofpeopledon'tunderstandwindpowerverywell.Theybelievethatthereareproblemswithwindpower,butmanyofthoseproblemsarenotreal.Forexample，somepeoplesaythatwindmillsaredangerousforbirds.Theideausedtobetrue,butitisn'ttrueanymore.Oldwindmillskilledbirdsbecausetheyspunveryfast.Newwindmillsspinslowly,andtheyaren'tdangerousforbirds.However,therearerealproblemswithwindmills.Oneproblemisthatmanypeoplethinkwindmillsareveryugly.Thisisaproblemforpeople,becausewindmillsareofteninveryprettyareas.Also,winddoesn'tblowallthetime,sowecan'tusewindpowerallthetime.Finally,windmillsarenoisy.(

)11.Whendidpeoplestartusingwindpower?A．About25yearsago.B．About80yearsago.C．About500yearsago.D．Over1，000yearsago.DA(

)13.WhyDON'Tnewwindmillskillbirds?A．Becausetheyspinslowly.B．Becausebirdsdon'tflynearthem.C．Becausenewwindmillsdon'tspin.D.Becausetheyareshorterthanoldwindmills.(

)14.HowmanyproblemswithwindmillsarementionedinParagraph5?A．Five.B．Four.C．Three.D．Two.AC(

)15.Whatisthebesttitleforthepassage?A．ExpensiveWindmillsB．DangerousBirdsC．PopularandCleanWindPowerD．CommonandUglyElectricityC三、综合填空。根据短文内容，用方框中所给词的正确形式填空，使短文完整、正确。(每个词只能用一次，有两个多余词)coststillrecycleharmfulwithaffordcausethrowincludestheirbottlebutWhenyourpenisbroken，oryouhavesomefoodthatyouhaven'teatenup，whatdoyoudowiththesethings？Youwillprobably16.________themintoabin.Butactually，allofthesepiecesofrubbishneedtobesorted(分类)clearlysothatsomeofthemcanbe17.________.Asweallknow，metaland18.________arereusablethings.Wecanseparate(分离)themfromuselesslitterandreusethem.throwrecycledbottlesInrecentyears，someChinesecitieshavebeenworkinghardonit.Shanghaihasworked19.________Alipaytocreatea“greenaccount”serviceforitsusers.Usersgetpointsbycorrectlysortingtheirgarbageandcanexchangethepointsformilk，phonesandotherproductsthroughAlipay.Thecityisaskingallofitspeopletosortgarbageintofourgroups：wet，recyclable，20.________anddry.Wetwast