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1、2020年精編人教版英語資料 第三冊第四單元第二課時詞匯導學案 BOOK3 Unit 4 Astronomy: the science of the stars Language acquaintance（1） Learning Goals: 1. To solve Ss puzzles in the reading text 2. To enable Ss to master some new words, expressions and sentence patterns. Important points: Not until, in time, (sth) be t

2、o do, the first time Previewing(預習) Task 1：寫出下列單詞的同源詞 ⑴ astronomy n. __________(意義)： __________(n.)____________(意義) ⑵ religion n. 宗教；宗教信仰 ____________ (adj.)____________ (意義) ⑶ violent adj. 猛烈的： _______________ (n.) _____________ (意義) ⑷ global adj. 全球性的：_________________ (n.) __________

3、________ (意義) ⑸ unlike prep.不同；不像：________（prep.) 相像 ___________(v.)不喜歡 ⑹harmful adj. 有害的：____________(n.) ___________(意義) ⑺fundamental adj.基礎的： ________(adv.)_______(意義) ⑻extinct adj.滅絕的 ：__________________ (n.)_________________(意義) ⑼exhaust vt. 用盡，耗盡________________ (adj)_______________

4、(意義) ⑽multiply________ (意義) 加________ 減________ 除________ Task 2:根據(jù)句子的結構和意義，在空格處填入一個恰當?shù)膯卧~，或者用括號中所給的適當形式填空。 1. We have established socialist ____(制度). 2. He doesn’t believe in ________________(宗教). 3. It is so in __________(理論)，but not in practice. 4. The struggle became more and more

5、_______________(激烈的). 5. Fresh air is ______________(基礎的，基本的) to good health. 6. Fruit juices can be __________(有害的) to children’s teeth. 8. Salt __________(存在) mostly in sea water. 9. What _____________(使迷惑) me is why he looks so old. 10. Children will learn to __________(乘) in the second grad

6、e. Research in class (課堂探究) Step1. Lead-in Solve the puzzles in the reading text. Step 2.Thinking 1. What it was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe. Not…until…直到…才… It is/was not until… that… 強調(diào)句 直到十點我才吃早餐 I didn’t ha

7、ve breakfast until 10 o’clock. _________________________________. (用強調(diào)句) 他們到了西藏才發(fā)現(xiàn)它的美. They didn’t notice the beauty of Tibet until they arrived there. _______________________________________________(用強調(diào)句) 2. The earth became so violent that it was not clear whether the shape would last or not

8、. violent adj.猛烈的，激烈的 ________n. 暴力 激情 即學即練 1. They made a air attack on the contrary. A．firm B. violent C. painful D. huge 2. On hearing the unexpecting news, our teacher trembled . A．much B. gentlely C. violently D. especial

9、ly 3. They were in time to produce carbon, nitrogen, water, vapor, and other gases, which were to make the earth’s atmosphere. 1)in time: sooner or later; eventually 遲早;最終 The truth will come to light in time.真相最終會大白于天下。 in time (for sth. /to do sth.): not late及時；不遲 她會及時回來準備晚餐. She wi

10、ll be back in time to prepare dinner. 你認為我們能及時趕上火車嗎? Do you think we can get there _________the train? 與time相關的短語: on time in no time ahead of time all the time at a time at one time at the same tim

11、e at times for the time being kill time 即學即練 (1) I must hurry. I want to get home ______ to watch the football match. A. on time B. in time C. at once D. just then (2)Don’t all speak at once! ______, pleas

12、e. A. Each at one time B. One by one time C. One for each time D. One at a time (3)We used to be good friends ______ but aren’t now. A. at a time B. at times C. at all times D. at one time (4)With so many hungry children seated round the table, the food disappeared __

13、____. A. in time B. at a time C. in no time D. all the time (5)If the train is ______, it should arrive in Beijing at 10 o’clock exactly. A. in time B. on time C. next time D. by the time 2)(sth) be to (do): ①不可避免要發(fā)生或必須發(fā)生。 They said goodbye, little knowing that they

14、 were never to meet again. She is to be honored for this great work. ② 表示按計劃、安排要發(fā)生的動作 When are they to hand in their plan？ ③ 表命令 Tell her she is not to be back late! 4. It was not immediately obvious that water was to be fundamental to the development of life. 1) It was (not ) obvious that…

15、顯而易見的… _____________(顯而易見) the manager of the coffee shop was waiting for Lifang to leave. For obvious reasons, I’d prefer not to give my name. 2) be fundamental to 對于…來說是必要的 Hard work ______________________(對......是重要/必要的) to success. There is a fundamental difference between the two points o

16、f view. 譯： . 教育公平是實現(xiàn)幸福宜春的基礎。 譯： . 5. Later when the plants grew into forest, reptiles appeared for the

17、 first time. For the first/second/third …time 第一/二/三…次，在句子中作時間狀語 我那是第一次見到她.I saw her for the first time. 十年后, 他第三次來到這里. Ten years later, he came here for the third time. 與the first time 區(qū)別：the first time 后可以跟句子, 引導時間狀語. 即學即練 這是我第一次見到他. This is I have seen him. 第一次見到他,我就愛上了他. I lov

18、ed him I saw him. Step3: Discussing Ss discuss language points above in groups and try to memorize them in class. Step4:Presenting Step5:Evaluating Step6:Testing 1. There, in the ancient temple, used to ___a big bell, which is now missing. A. happen B. come C. exist D. sta

19、nd 2. If a man _____ succeed, he must work as hard as he can. A. will B. is to C. is going to D. should 3.____ other persons, the peasant worker has made a lot of money this year. A. Unlike B. Because of C. Without D. Instead of 4. You can only borrow two books fr

20、om the library ___. A. in time B. on time C. at a time D. in no time 5. ---Will you go swimming with me this weekend? --__________. A. All depend B. It depends C. It depends on D. All depends on 6.____ they are closest friends is not clear though they live together.

21、 A. That B. If C. What D. Whether 7. It is obvious to the students ______ they should get well prepared for their future. A. as B. which C. whether D. that 8. It is a pity that he _____ so careless. A. was B. will be C. should be D. can be 9.___

22、____ she said suggested that she hadn’t decided _____ to go or not. A. What…if B. That…if C. What…whether D. That…whether 10. Where and how we can get such a sum of money ____ a big problem. A. is B. are C. was D. were 11. Everyone knows smoking is ______ to thei

23、r health, but many of them can’t bear themselves away from it. A. harmful B. good C. helpful D. bad 12. The custom of arranged marriage still ______ in many countries. A. appears B. lays C. lives D. exists 13. The boy ___ on the blanket ___ to his mother that he didn

24、’t take the money ___ on the table. A. lied; lay; lain B. laid; laid; lied C. lay; lied; lying D. lying; lied; laid 14. It matters little _______ a man dies, but _______ matters much is _______ he lives. A. how; what; how B. how; it; how C. why; it; why D. that; what; that 15. It is ______ you deal with difficulties that shows_____ you are really like. A. what; what B. how; that C. which; how D. how; what