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,Unit4Iusedtobeafraidofthedark.,Wednesday星期三(GrammarFocus4c),一、核心词汇European，African，British，speech，public,(GrammarFocus-4c),二、重点短语inpublic在公众场合三、主要语法：usedto用法小结usedto意为“过去常常”，表示过去存在，但现在已经停止的情况或习惯。,(GrammarFocus-4c),1.肯定式：usedto+动词原形。如：Theyusedtobegoodfriends.(Buttheyarenotgoodfriendsnow.)他们原来是好朋友。(但现在不是了),(GrammarFocus-4c),Thereusedtobeatalltreeinfrontofthehouse.(Butthereisntatalltreeinfrontofthehousenow.)以前房子前面有一棵很高的树。(但现在没有了)2.否定式：didntuseto+动词原形。如：Youdidntusetolikemutton.你过去不喜欢吃羊肉。,(GrammarFocus-4c),3.疑问式：“Did主语useto+动词原形?”肯定回答:Yes，Idid.否定回答:No，Ididnt.如：DidsheusetolikeTom?她以前喜欢汤姆吗？Yes，shedid.No，shedidnt.是的，她喜欢。/不，她不喜欢。,(GrammarFocus-4c),四、基础复现天天练:骑自行车的好处,(GrammarFocus-4c),Toprotectourenvironment，bicyclingisbeingmoreandmorepopularinmanyEuropean,AsianandAfricancountriesnow.Allpeople，especiallytheBritish,nomattertheyareoldoryoungcanenjoythisfunandgreensportinpublic.Atleast，bikescantakeyoualmostanywhere，andthereisnooilcost!,(GrammarFocus-4c),Getonabicycleandridearoundyourneighborhood，youmaydiscoversomethingnewaroundyou.Didyouusetobeafraidofparkingyourcar?Incaseofbicycling，thereisnoneedtoworryaboutthat.Youcanridetoworkandbenefit(受益)fromtheenjoyableexercisewithoutpollutingtheenvironment.,(GrammarFocus-4c),Folding(折叠)bikesworkwellforpeoplewhowanttotakethetrain.Justfoldthebikeandtakeitwithyou.Youcandothesameonanairplane.Afoldingbikecanbepackedinasuitcase.Youcanalsotakeamonbikewithyouwhenyoufly.Butbesuretolookforinformationbygettingonairlinewebsites.,(GrammarFocus-4c),Notallairlinesarebicyclefriendlytotravelers.Itsgoodforourhealth.Bicyclinghelpstocontrolyourweight.A15minutebikeridetoandfromworkthreetimesaweekburnsofffivekilosoffatinayear.Bicyclingcanimproveyourmood(心情).,(GrammarFocus-4c),Exerciselikebicyclinghasbeenshowntomakepeoplefeelbetterandmorerelaxed.Bicyclingishealthierthandriving.,(GrammarFocus-4c),()1.Fromthepassage，weknowthatbicyclingisbeingvery_.A.surprisingB.excitingC.expensiveD.popular,D,(GrammarFocus-4c),()2.Whenyouareridingyourbicyclearoundyourneighborhood，youmay_.A.pollutetheenvironmentaroundB.findsomethingyoudidntnoticeC.goeverywhereandusealittleoilD.getoffyourbikeandbegintowork,B,(GrammarFocus-4c),()3.Whatdoestheunderlinedword“suitcase”meaninChinese?A.职业装B.行李箱C.包装D.快递,B,(GrammarFocus-4c),()4.Oneofthebenefitsfrombicyclingisthat_.A.youmaygetfatterandfatterB.youwillbemorerelaxedC.youwillbefriendlytoothersD.youcanfoldthebicycle,B,(GrammarFocus-4c),()5.WhichisTRUEaccordingtothepassage?A.Bicyclingisgoodexerciseforpeople.B.Drivingcarsishealthierthanbicycling.C.Bicyclingpollutesyourneighborhood.D.Commonbikesareweledbyallairlines.,A,(GrammarFocus-4c),(GrammarFocus-4c),(GrammarFocus-4c),(GrammarFocus-4c),谢谢观看！,
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