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1、2022年高中英語 Unit 4 Astronomy the science of the stars全員探究 新人教版必修3 1.harmful adj.有害的 It is ______to your health to drink too much.(過量喝酒對你的身體有害) Smoking is __________to one’s health.（吸煙對健康有害） 歸納拓展： do…h(huán)arm/do harm to___________ be harmless to _________________

2、 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 hasn’t ____________________(對我并沒害處) 2.exist vi. ____________________ Man can’t ______without air.(沒有空氣人就不能生存) 火星上有生命嗎？___________________________________________? 拓

3、展：存在 n.________________ bring…into 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 puz

4、zle _____________ I was in a _______about the matter.(我對這件事迷惑不解) (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

5、one’s turn _______________ Then in our turn, we got on the bus one by one._____________________________ 歸納拓展： It’s one’s turn to do something. ___________________________________ It’s your turn to read, John.___________________________________ in turn ____________________ 依次發(fā)言_________________

6、___ 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現(xiàn)目標。_____________________________________________她因病不能參加考試。____________

7、_______________________________________ 4. in time (1).及時 我們能及時到達車站嗎？________________________________________________ (2).遲早；總有一天；終于 游泳不好學(xué)，但你遲早會學(xué)會的。________________________________________ 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，充當連詞，that可以省略 既然你長大了，就不應(yīng)該依靠你的父母。____________________________________ Now that I’m free, I can enjoy music for a while.______________________________ now that 和since相似，語氣較弱，強調(diào)人們已知道的事實。