仁爱英语初中八年级下册Unit6 Topic 3 Section Bppt课件

初中仁爱版八年级下册,Unit6EnjoyingCyclingTopic3Bicyclesarepopular.SectionB,Lookatthetrafficsigns.,Read1abyyourselves.,Kangkang:ThebicycleaccidentinCaishikouStreetwasreallyterrible.Michael:Yes,itwas.Theyoungmanonthebicyclewasverycareless.Kangkang:Infact,weshouldneverridetoofast.Wecanwearbicyclehelmetswhenriding.Ifwerideatnight,weshouldhavelightsonthebicycleorwearlight-coloredclothes.,Michael:Certainly.Weshouldalsoknowmoreaboutthetrafficrules.Ifwebreakthetrafficrules,wewillgetafineandevenbeindanger.Kangkang:Whydontwegotothetrafficstationtolearnmoretrafficrules?Michael:Thatsagoodidea.,Nowlistentothetapeandtalkaboutitingroups.Thenretell1a.,Keypoints,1.Wecanwearbicyclehelmetswhenriding.当我们骑车时，我们要戴上头盔。1)wear用作及物动词，除表示“穿衣戴帽”之外，还可以表示“戴眼镜、首饰”等。如：Sheneverwearsnecklace.她从来不戴项链。Anyonecantellshesblindasabat,butshewontwearglasses.任何人都知道她视力不好,但是她却不愿戴眼镜。,2)whenriding=whenweride，当主从句的主语一致时，从句可用连词+分词的形式代替，复合句变为简单句。又如：Youmustbecarefulwhenyoucrosstheroad(=whencrossingtheroad).过马路时，你一定要小心。拓展类似用法的词还有：while,if等。如：Whilewalking,hetalkstohisfriend.他一边走路，一边跟朋友交谈。,2.Ifwerideatnight,weshouldhavelightsonthebicycleorwearlight-coloredclothes.如果在晚上骑车,我们就得使用车灯或穿亮色的衣服。if在引导条件状语从句时,主句是一般将来时,祈使句、或含有情态动词时,从句用一般现在时。如:Ifitsfinetomorrow,wewillgotothepark.Ifweweardifferentcolorsofclothes,itcanchangeourfeelings.,1bWorkalone,Trafficlights,Redmeans_Greenmeans_Yellowmeans“wait”,PleasehelpMichaelandKangkangcompletethetrafficrulesandsigns.Fillintheblanksordrawthetrafficsigns.,stop,go,Crossing,Thereisacrossingahead.Itwarnsustobemore_.,careful,Danger,Itsdangerous.,Noleftturn,Youcantturnlefthere.,Gostraightahead,Goalongtheraod,please.,Keypoints,Itwarnsustobemore它提醒我们要更warnsb.todosth.警告/提醒某人做某事warnsbagainst/nottodosth.警告/提醒某人不要做某事,如：Thedoctorwarnsustodrinkmorewater.医生告戒我们要喝水。Thepolicewarnchildrennottoplayontheroad.警察警告孩子们不要在马路上玩。Hewarnedmeagainstgoingthereatnight.他警告我晚上不要到那里去。,Matchthesentencesaccordingtothetrafficrules.,2Workalone,1.Ifyourideatnight,2.Ifyourideyourmotorcycleonthestreet,3.IfyoudriveacarinBritain,4.Ifyoudrivetoofast,5.Ifeveryoneobeysthetrafficrules,a.youmustbecareful.b.youmayhaveanaccident.c.theroadswillbesafer.d.youmustdriveontheleft-handsideoftheroad.e.Youshouldhavelightsonthebicycleorwearlight-coloredclothes.,Groupwork,Lookatthepictures.Use“if”todiscusstheresultsofbreakingthetrafficrules.Thefollowingexpressionsmayhelpyou.,Ifyoubreaktherules,youwillgetafine.,breaktherules,getafine,Ifyoucrossabusyroad,youmaybeindanger.,crossabusyroad,beindanger,Ifthedrivermakesawrongturn,hewillcausetrouble.,makeawrongturn,causetrouble,Ifthedriverdoesntdrivecarefully,hewillgethurt.,notdrivecarefully,gethurt,Manypeoplearoundtheworldusebicyclesfor_or_.2.Carsoftencost_timesasmuchasbicycles.,work,pleasure,onehundred,4Workalone,Listentothepassageandfillintheblanks.,3.Bicyclesneed_thancars.4.Cyclingdoesnotcause_.5.Cyclingi