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Unit4RoadsafetyIntroduceT:Hello,boysandgirls!S:Hello,MissTang.T:Nicetoseeyou.S:Nicetoseeyou,too.Wordswait[weɪt]作为动词，意为：等候,等待固定词组：waitfor意为“等待，等候某人”eg：Heiswaitingforhisdaughterinthemusicroom.小练习：汉译英：等我____________拓展：waitandsee为固定词组，意为“走着瞧”。eg：let’swaitandsee.让我们走着瞧。waitformeWordswalk[wɔ:k]作动词，意为走。同义词组为：goonfootLet’swalktoschool.=Let’sgotoschoolonfoot.让我们步行去学校。小练习：汉译英：步行去超市____________拓展：（1）walkuptosb.意为“朝某人走过去”。eg：Theparkkeeperwalksuptohim.公园管理员朝他走过去。（2）作名词，意为“步行”。eg：Wewentforawalkinthecountryside.我们在乡间散步。walktothesupermarketWordsrun[rʌn]动词，意为“跑”。eg：Theboyisrunningintheplayground.小练习：单项选择：（）He_____afterthethiefalongthestreetlastnight.A.ranB.runs拓展：（1）runaftersb.为固定词组，意为“追赶某人”。eg：Thecatisrunningthemouse.猫正在追赶老鼠。AExpressionsThere’saredman.therebe句型意为“有”；此句型分为：thereis/are...；thereis后接单数名词或者不可数名词；thereare后接复数名词。eg：Thereisanewcar.有一辆新汽车。小练习：There______twobooksonthedesk.A:isB:are拓展：therebe句型要遵守就近原则eg：Thereisapenandtwobooks..BExpressionsDon’trun!不要奔跑！eg：Don’ttalkintheclass.在课上不要讲话。小练习：所给词的适当形式填空：Don’t_____(run)intheclassroom.拓展：由don’t引导的祈使句也表示不要干某事，后面接动词的原形eg：Don‘tbelate.别迟到。runDialogueStop!There’saredman.红灯停。Wemustn’twalknow.我们现在不好走。Wemustwaitforthegreenman.我们必须等到绿灯。Thereheis!Nowwecanwalk,Butdon’trun!现在是绿灯了。我们可以走了，但是不能奔跑。SummarywaitwalkrunThere’saredman.Don’trun!Exercise单项选择（）1.CouldIcallyoubyyourfirstname?Yes,you___.A.willB.couldC.mayD.might（）2.You___walkformilesandmilesamongthehillswithoutmeetinganyone.A.mustB.needC.mayD.shoul（）3.Iwasn'tsurewhetherI___offertohelpornot.A.shouldB.mightC.wouldD.neededCCAExercise（）4.____someonegetintotrouble,pleasedial110.A.ShouldB.IfC.ShallD.May（）5.Why____itgetcolderwhenwegoupamountain?Wearegettingnearertothesun!A.oughttoB.wouldC.shouldD.mustACHomeworkKnowthetrafficsigns.