,Unit4Roadsafety,Therearemanybusyroadsinthecity.Howcanyoucrosstheroadsafely?,Letstalk,安全地,Whatdidyouseeontheroad?,Whatdidyouseeinthepicture?,Groupwork1,Tips:1.小组内讨论2.说一说你听到或看到的单词或词组3.时间：1分钟,trafficlights,azebracrossing,apavement,lookleftandright,greenman,redman,Accordingto(根据）thesepictures,howcanyoucrosstheroadsafely?,Groupwork2,Tips：1.小组内讨论2.可增加单词给出短句3.可使用Youmust.你必须4.时间：2分钟,trafficlights,azebracrossing,apavement,lookleftandright,greenman,redman,Howcanyoucrosstheroadsafely?Youmust
