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1、Unit6Topic3Bicyclesarepopular.SectionBKeyWords1.疯狂的2.摩托车3.吐痰4.污染5.安全的6.死亡7.警察8.浅色的crazy=madspitspitspitpollute动词:名词:pollutionsafe反义词:dangerousdeath名词:die动词:形容词deadpoliceman复数:policemenlight-colored反义词:dark-coloredmotorcycleTrafficlightsCrossingNoparkingTrafficlightsR
2、edmeans________________.Greenmeans_______________.Yellowmeans“waits”.“stop”Ifthelightsturnred,youshouldstop.“go”Ifthelightsturngreen,youcango.Ifthelightsturnyellow,youmustwait.CrossingThereisacrossingahead.Itwarnsustobemore________.carefulIfyouseethecrossing,youshoul
3、dbecareful.__________________________warnsb(not)todosthwarnsbagainstdoingsthNoparkingDon’t_______here.Ifyouseethe“Noparking”sign,youmustn’tparkhere.parkIfweobeythetrafficrules,we’llbesafe.Butifwebreaktherules,whatwillhappentous?Let’sdiscusstheresultsofbreakingthetraf
4、ficrules.Pleasemakesomesentencesusing“if”.Thefollowingexpressionsmayhelpyou.breaktherulesgetafineIfyoubreaktherules,youwillgetafinecrossabusyroadbeindangerIfyoucrossabusyroad,youmaybeindangermakeawrongturncausetroubleIfyoumakeawrongturn,youmaycausetroublenotdrivecare
5、fullygethurtIfyoudon’tdrivecarefully,youmaygethurtMachthesentencesaccordingtothetrafficrules.()1.Ifyourideatnight,()2.Ifyourideyourmotorcycleonthestreet,()3.IfyoudriveacarinBritain,()4.Ifyoudrivetoofast,()5.Ifeveryoneobeysthetrafficrules,youmustbecareful.youmayhavean
6、accident.theroadswillbesafer.youmustdriveontheleft-handsideoftheroad.youshouldhavelightsonthebicycleorwearlight-coloredclothes.eadbc在…左边1.Ifwebreakthetrafficrules,wewillgetafine.“if”表示“如果,假如”;引导条件状语从句。如果主句是一般将来时,从句常用___________。若主句是祈使句或含有情态动词时,从句用___________.e.g.如果明天
7、天气好,我们就去公园。Ifit____________(notrain)tomorrow,wewillgotothepark.Ifyou_____(be)ill,youmustgotoseethedoctor.Pleaseringmeupifyou______(want)togowithme.2.Idon’tknowif/whetherhe’sright.“if”还表示___________引导宾语从句一般现在时一般现在时doesn’trainarewant“是否”;Idon’tknowifhe______________(co
8、me)tomorrow.Ifhe_______(come),Iwilltellhim.willcomecomesWhatshouldwedotomaketheroadssafer?Weshouldobeythetrafficrules.Weshouldknowa