Unit9 My favorite subject is science.单元词句梳理Section B（1a-1d）必背单词 1free adj.空闲的(反义词)_ adj.忙碌的；无暇的_ adv.自由地；无拘无束地2cool adj.妙极的；酷的_adj.凉快的；冷静的_乘凉；保持冷静busyfreelycool keep cool必背短语 3Tuesday n星期二_在星期二Wednesday n星期三Thursday n星期四Sunday n星期日4A.M.(a.m.)上午_在凌晨1点PM.(p.m.)下午；午后on Tuesday at one AM.必背句子 5_Davids _?戴维最喜欢的科目是什么？6 _ the class？什么时候上这节课？Whatsfavorite subjectWhen is
