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1、人教版英語(yǔ)精品資料（精修版）第三冊(cè)第四單元第二課時(shí)詞匯導(dǎo)學(xué)案BOOK3 Unit 4 Astronomy: the science of the starsLanguage 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 to do, the first

2、 timePreviewing(預(yù)習(xí))Task 1：寫(xiě)出下列單詞的同源詞 astronomy n. _(意義)： _(n.)_(意義) religion n. 宗教；宗教信仰 _ (adj.)_ (意義) violent adj. 猛烈的： _ (n.) _ (意義) global adj. 全球性的：_ (n.) _ (意義) unlike prep.不同；不像：_（prep.)相像 _(v.)不喜歡harmful adj. 有害的：_(n.) _(意義)fundamental adj.基礎(chǔ)的： _(adv.)_(意義)extinct adj.滅絕的 ：_(n.)_(意義)exhaust v

3、t. 用盡，耗盡_(adj)_(意義)multiply_ (意義) 加_ 減_ 除_Task 2:根據(jù)句子的結(jié)構(gòu)和意義，在空格處填入一個(gè)恰當(dāng)?shù)膯卧~，或者用括號(hào)中所給的適當(dāng)形式填空。1. We have established socialist _(制度).2. He doesnt believe in _(宗教).3. It is so in _(理論)，but not in practice.4. The struggle became more and more _(激烈的).5. Fresh air is _(基礎(chǔ)的，基本的) to good health.6. Fruit juice

4、s can be _(有害的) to childrens 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 grade.Research in class (課堂探究)Step1. Lead-inSolve the puzzles in the reading text.Step 2.Thinking1. What it was to become was uncertain until be

5、tween 4.5 and 3.8 billion years ago when the dust settled into a solid globe.Notuntil直到才It is/was not until that 強(qiáng)調(diào)句直到十點(diǎn)我才吃早餐I didnt have breakfast until 10 oclock. _. (用強(qiáng)調(diào)句)他們到了西藏才發(fā)現(xiàn)它的美.They didnt notice the beauty of Tibet until they arrived there._(用強(qiáng)調(diào)句)2. The earth became so violent that it was

6、not clear whether the shape would last or not. violent adj.猛烈的，激烈的 _n. 暴力 激情即學(xué)即練1. They made a air attack on the contrary.Afirm B. violent C. painful D. huge2. On hearing the unexpecting news, our teacher trembled .Amuch B. gentlely C. violently D. especially 3. They were in time to produce carbon,

7、nitrogen, water, vapor, and other gases, which were to make the earths 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(huì)大白于天下。 in time (for sth. /to do sth.): not late及時(shí)；不遲她會(huì)及時(shí)回來(lái)準(zhǔn)備晚餐. She will be back in time to prepare dinner.你認(rèn)為我們能及時(shí)趕上火車嗎? Do you thi

8、nk we can get there _the train?與time相關(guān)的短語(yǔ):on time in no time ahead of time all the time at a time at one time at the same time at times for the time being kill time 即學(xué)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)Dont all speak

9、at once! _, please.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 arent 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 _.A. in time B. at a time

10、C. in no time D. all the time(5)If the train is _, it should arrive in Beijing at 10 oclock exactly.A. in time B. on time C. next time D. by the time2)(sth) be to (do): 不可避免要發(fā)生或必須發(fā)生。They said goodbye, little knowing that they were never to meet again. She is to be honored for this great work. 表示按計(jì)劃、

11、安排要發(fā)生的動(dòng)作When are they to hand in their plan？ 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顯而易見(jiàn)的_(顯而易見(jiàn)) the manager of the coffee shop was waiting for Lifang to leave.For obvious reaso

12、ns, Id prefer not to give my name.2) be fundamental to 對(duì)于來(lái)說(shuō)是必要的Hard work _(對(duì).是重要/必要的) to success.There is a fundamental difference between the two points of view.譯： .教育公平是實(shí)現(xiàn)幸福宜春的基礎(chǔ)。譯： .5. Later when the plants grew into forest, reptiles appeared for the first time. For the first/second/third time 第一

13、/二/三次，在句子中作時(shí)間狀語(yǔ)我那是第一次見(jiàn)到她.I saw her for the first time.十年后, 他第三次來(lái)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(dǎo)時(shí)間狀語(yǔ).即學(xué)即練這是我第一次見(jiàn)到他. This is I have seen him.第一次見(jiàn)到他,我就愛(ài)上了他. I loved him I saw him.Step3: DiscussingSs discuss language points above in group

14、s and try to memorize them in class.Step4:PresentingStep5:EvaluatingStep6:Testing1. There, in the ancient temple, used to _a big bell, which is now missing.A. happen B. come C. exist D. stand2. If a man _ succeed, he must work as hard as he can. A. will B. is to C. is going to D. should3._ other per

15、sons, the peasant worker has made a lot of money this year. A. Unlike B. Because of C. Without D. Instead of4. You can only borrow two books from the library _.A. in time B. on time C. at a time D. in no time5. -Will you go swimming with me this weekend? -_.A. All depend B. It depends C. It depends

16、on D. All depends on6._ they are closest friends is not clear though they live together. A. That B. If C. What D. Whether7. 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. shou

17、ld be D. can be9._ she said suggested that she hadnt decided _ to go or not.A. Whatif B. Thatif C. Whatwhether D. Thatwhether10. Where and how we can get such a sum of money _ a big problem. A. is B. are C. was D. were11. Everyone knows smoking is _ to their health, but many of them cant bear themse

18、lves away from it. A. harmful B. good C. helpful D. bad12. The custom of arranged marriage still _ in many countries. A. appearsB. lays C. lives D. exists13. The boy _ on the blanket _ to his mother that he didnt take the money _ on the table.A. lied; lay; lain B. laid; laid; lied C. lay; lied; lying D. lying; lied; laid14. 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; that15. It is _ you deal with difficulties that shows_ you are really like.A. what; what B. how; that C. which; how D. how; what