8Unit1 Whilethelightswerechangingtored,acarsuddenlyappeared.Do you know what do these lights mean?Do you know people often have these bad behaviors(行为)?Dontgoacrosstheroadwhiletheredlightwereon.goacrosstheroadredlightwereonwhiletaketoomanypeopledrivewhileDontaketoomanypeoplewhileweweredrivingDontdrinkwhileweweredriving!drinkdrivingwhileListentomusicrideabikewhileDontlistentomusicwhilewewereridingabike1.Keywords:本课重点单词：感官系动词本课重点单词：感官系动词look，dangerous，suddenly,本课重点短语：本课重点短语：wait 相关短语相关短语,round the
