2022年高中英語 Unit 4 Astronomy the science of the stars全員探究 新人教版必修31.harmful adj.有害的It is _to your health to drink too much.(過量喝酒對(duì)你的身體有害) Smoking is _to ones health.（吸煙對(duì)健康有害）歸納拓展：doharm/do harm to_ be harmless to _ do more harm than good _Hot water will _the plant.(熱水傷花草)I have got up early all my life, and it hasnt _(對(duì)我并沒害處)2.exist vi. _Man cant _without air.(沒有空氣人就不能生存)火星上有生命嗎？_?拓展：存在 n._bringinto existence _ e into existence=e into being _(1). An information bureau was brought _existence to deal with inquiries.(2) When did this world e _existence?3.puzzle n/v.(1) n. _a cross word puzzle _I was in a _about the matter.(我對(duì)這件事迷惑不解)(2) vt. _The question puzzled me.=I was _by the question.歸納拓展：adj. _ 困惑的She listened with _(困惑的表情)on her face.他不知道下一步怎么辦。_2. in ones turn _Then in our turn, we got on the bus one by one._ 歸納拓展：Its ones turn to do something. _Its your turn to read, John._in turn _依次發(fā)言_Interest rate were cut, and in turn, share prices rose._take turns to do something _We _(輪流)to drive on the way to Canada.3. prevent from (doing) sth.什么也阻止不了我實(shí)現(xiàn)目標(biāo)。_她因病不能參加考試。_4. in time (1).及時(shí)我們能及時(shí)到達(dá)車站嗎？_(2).遲早；總有一天；終于游泳不好學(xué)，但你遲早會(huì)學(xué)會(huì)的。_比較：on time _與 in time _歸納拓展：in no time _at a time _at one time _5. now that 既然，由于，充當(dāng)連詞，that可以省略既然你長(zhǎng)大了，就不應(yīng)該依靠你的父母。_Now that Im free, I can enjoy music for a while._now that 和since相似，語氣較弱，強(qiáng)調(diào)人們已知道的事實(shí)。