Module5 A Lesson in a Lab- Function,Everyday English 素材 1.complete v.& adj.V.使（某事物）圆满、完善；使（某事物）完成，结束；adj.完整的，全部的；完成的，结束的（作表语）；彻底的，完全的（常作定语）e.g. I need one more stamp before my collection is completed. He is a complete stranger.2.It’s your turn…轮到你了……turn n. (依次轮到的)机会e.g. It’s your turn to clean the classroom.Other phrases:take turns to do sth. 轮流做某事do sth. in turn/by turns 轮流做某事in turn 反过来It’s one’s turn to do sth.轮到某人做某事wait one’s turn 等着轮到某人turn against 反对，背叛 turn around/round 翻身，转身 turn up 出现turn away 拒之门外，不准进入 turn down 调小音量；拒绝turn off 关上 turn over 翻身，翻转 turn to 转向，求助于；翻到 3.Used to do sth.意为“过去常常做某事”，暗含与现在的比较，即现在不那样了。e.g. You used to smoke a pipe, didn’t you?否定式：used not to do =usedn’t to do did not use to do =didn’t use to do疑问式：Used +Subject+to +动词原形？ Did + subject+ use + to +动词原形？4 first-class scientists 一流的科学家5 ．In/during/over/for the last/past twenty years 在过去……时间里，句子的谓语用完成时态。 in the past 在过去，为一般过去时的时间状语。e.g. In the last forty years, soccer has become the sport of the world. They suffered a lot in the past.6.either … or …或者…, 或者…; 要么……要么……；不是……就是……e.g. I left it either on the table or in the drawer. -Do you speak either French or English?用心 爱心 专心 - I’m sorry I don’t speak, either.either … or …连接两个并列主语时，谓语动词一般和最近的主语一致。相似的有：neither…nor…; not only… but also…; not… but….7.be supposed to do 理应做，应该做，被期望或被要求做某事e.g. He is supposed to be there on time. 按理他应准时到那儿。Were/was supposed to do 意为“本应该……”。e.g. You were supposed to die like that .用心 爱心 专心
