1、2014-2015学年高中英语同步课堂达标题（3）及答案：Unit4（人教新课标必修3）UNIT 4 ASTRONOMY:the science of the stars全员探究：1.harmful adj.有害的来源:Zxxk.ComIt is _to your health to drink too much.(过量喝酒对你的身体有害) Smoking is _to ones health.（吸烟对健康有害）归纳拓展：doharm/do harm to_ be harmless to _ do more harm than good _Hot water will _the plant.(
2、热水伤花草)来源:Z#xx#k.ComI have got up early all my life, and it hasnt _(对我并没害处)2.exist vi. _Man cant _without air.(没有空气人就不能生存)火星上有生命吗？_?拓展：存在 n._来源:学科网bringinto existence _ come into existence=come into being _(1). An information bureau was brought _existence to deal with inquiries.(2) When did this worl
3、d come _existence?3.puzzle n/v.(1) n. _a cross word puzzle _来源:学科网I was in a _about the matter.(我对这件事迷惑不解)(2) vt. _The question puzzled me.=I was _by the question.归纳拓展：adj. _ 困惑的She listened with _(困惑的表情)on her face.他不知道下一步怎么办。_来源:学科网2. in ones turn _Then in our turn, we got on the bus one by one._
4、归纳拓展：Its ones turn to do something. _Its your turn to read, John._in turn _依次发言_Interest rate were cut, and in turn, share prices rose._take turns to do something _We _(轮流)to drive on the way to Canada.3. prevent from (doing) sth.什么也阻止不了我实现目标。_她因病不能参加考试。_4. in time (1).及时我们能及时到达车站吗？_来源:学科网ZXXK(2).迟早；总有一天；终于游泳不好学，但你迟早会学会的。_比较：on time _与 in time _归纳拓展：in no time _at a time _at one time _5. now that 既然，由于，充当连词，that可以省略既然你长大了，就不应该依靠你的父母。_Now that Im free, I can enjoy music for a while._now that 和since相似，语气较弱，强调人们已知道的事实。
