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Unit2Waystogotoschoolsometimes/bycaroften/bybususually/bybikeoften/onfootChant:Redlight,Redlight,stopandwait!Yellowlight,yellowlight,slowdownandstop!Greenlight,Greenlight,go,go,go!trafficrules（规则）Wemustpayattentiontothetrafficlights!!!注意It’s____now.Wemust__________.It’s_____now.Wemustslowdownand_____.It’sgreennow.Wemustgo.Don’tgoattheredlight!别闯红灯！They'refrommycousinintheUSA.They'refrom_____in________.说说你收到的信或照片。I’lltakethe…bybusbyplanebyshipbytaxibybikebycarbytrain1115571550--HowcanIgettothemuseum?--YoucantaketheNo.__bus.IntheUSApeopleonthebikesmustwearone.helmetWemustpayattentiontothetrafficlights.Wemustwearthehelmetonthebikes.Wemustwearthehelmetonbikes.Don'tgoattheredlight!Wemustpayattentiontothetrafficlights!Whichisright?IntheUSApeopleonbikemustwearthehelmet.Whatisright,whenyouseetheredtrafficlights.Imustpayattentiontothetrafficlights!Don’tgoataredlight!Stopandwaitataredlight.Whatshouldwedo?()What’sthis?()TaketheNo.57busoverthere.()Thebusiscoming.()Somanypicturesofbike.()HowcanIgettoFuxingHospital?()They’refrommycousinintheUSA.()Ahelmet.IntheUSApeopleonbikesmustwearone.()Imustpayattentiontothetrafficlights.()Don’tgoattheredlight!137259684Don’tturnleft!Don’tturnright!Youcanturnleft.Youmuststop.Slowdown.我知道：世界上大部分国家是行人和车辆靠右走，但还有50多个国家和地区靠左行，如英国、日本、新加坡等。小结：1.IntheUSApeopleonbikemustwearone.意思是“在美国骑自行车必须戴头盔。”是强制性的。3.Imustpayattentiontothetrafficlight！“我必须注意交通信号灯”表示自我提醒。2.Don’tgoatredlight!意思是“有红灯不能走”提醒注意安全。1.Readthedialogue.2.Retellthedialogue.