河北省石家莊市高中英語 Unit 4 Astronomy The Science Of The Stars Section I Words and Expressions導(dǎo)學(xué)案 新人教版必修3

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1、 Astronomy: The Science Of The Stars Section I Words and Expressions 生命課堂—互動探究 一、 重點單詞 1. exist (vi.) to be present in a place or situation (vi.) (on sth) to live, especially in a difficult situation or with very little money 1）Does life exist on other planets? 2）The charity exists

2、to support victims of crime. 3) There still exist several questions to be solved. 4) They can't exist on the money he's earning. 【拓展】 existence n. be in existence 現(xiàn)有的 存在的 come into existence 開始存在，開始形成 Pakistan came into existence as an independent country in 1947. 活用：完成句子： 1) __

3、__________________ (某地有......）dinosaurs on the earth long time ago. 2) When did the world ____________________ (產(chǎn)生)? Summary: ____________________________________________________________ 2. puzzle (n.) a game, etc. that you have to think about carefully in order to answer it or do it (n.) somet

4、hing that is difficult to understand or explain (syn?同義詞)mystery (v.)to make sb feel confused because they do not understand sth 1)Their reason for doing it is still a puzzle to me. 2)a crossword puzzle 3) What puzzled me was that he left the country without telling anyone. 4) Karen puzz

5、led over /about the question all evening. 5).He was trying to puzzle out why he had been brought to the house. 【拓展】令人迷惑的 adj. _____________ 迷惑的 adj. _____________ 活用：完成句子： 1)The deeper meaning of the poem ____________________（仍然是個謎）. 2)_________________(最讓我迷惑的)was how he recovered from the

6、 disease without any treatment. 3). When we have any ____________________(讓人迷惑的) problems, we often turn to him for help. Summary: ____________________________________________________________ 3. unlike prep. different from a particular person or thing不像……，和……不同 adj. not alik

7、e, different不相像的，不同的 Unlike most systems, this one is very easy to install. For twins, they are very unlike． For twins, they are very _________ (相似). 辨析： unlike dislike （v.) alike (adj.& adv.) 1) He likes cats but _______ dogs． 2) She is ______ any other teacher who has ever taught me．

8、 3) I have taken a strong ________ to selfish people． 4) The teacher treats all his students ________. 活用：完成句子： 5)有可能他不參加會議。 ____________________ he will not attend the meeting. 6)今年秋天約翰可能在倫敦。 John ____________________ be in London this autumn. Summary: 1）. unlike dislike （v.) alike (a

9、dj.& adv.)區(qū)別___________________________________________________________ 2）. 總結(jié)回憶一下likely 的用法和句式 ___________________________________________________________ 4. harmful (adj.)----harmless (adj.) harm (n. &v.) There is no harm in (sb's) doing sth Many household products are potentially harmf

10、ul. Fruit juices can be harmful to children's teeth. Pollution can harm marine life. 活用：完成句子： 1) The court case will ____________________(嚴(yán)重危害n. ）my business. 2) The court case will ____________________(有危害的 adj.）my business. Summary: ___________________________________________

11、_________________ 重點短語 1. in time 及時；遲早，總有一天。 They caught the bus in time. If you keep on, you will succeed in time. 【拓展】 time習(xí)語： at one time _______ at times_______ at a time_______ in time_______ on time _______ kill the time_______ ahead of time _______ all the time

12、 _______ in no time _______take one’s time_______ 句式 It is time that sb. did sth. 或者 It is time that sb. /should do sth. (注：should不可省略) 活用：【即學(xué)即練】 1）Experts have been warning ____ of the health risks caused by passive smoking. A. at a time B. at one time C. for some time D.

13、for the time 2) We were good friends _____________, but aren’t now. 3) Will I be ____________ for the six o’clock train? 2. in one's turn in one's turn to do sth．輪到某人做某事 【拓展】in turn / by turns／take turns區(qū)別 in turn 1) one after the other in a particular order The children called o

14、ut their names in turn. 2) as a result of sth in a series of events Increased production will, in turn, lead to increased profits. take turns (in sth/to do sth) ( BrE also take it in turns ) The male and female birds take turns in sitting on the eggs. We take it in turns to d

15、o the housework. The kids took turns on the swing. by turns 1)Mary and Jane rode by turns. 2) He grew pale and red by turns. 活用：翻譯：1) 我們輪流打掃教室。____________________________________________ 2) 在食堂我們按次序打飯。____________________________________________ summary: ________________

16、____________________________________________ 隨堂自測 I. 漢譯英（單詞和詞組） 1. 宗教 2. 學(xué)說；理論 3.大氣層；氣氛 4. 基本的；基礎(chǔ)的 5. 萬有引力；重力 6. 衛(wèi)星 7.氣候 8. 碰撞；墜落 9. 宇宙飛船 10. 漂浮 11. 下蛋 12.產(chǎn)生，分娩 13. 擋?。ü饩€） 14. 既然15. 爆發(fā)16. 密切關(guān)注；當(dāng)心 17. 向四面八方 18.感到高興 19. 熟悉；掌握； 20. 連鎖反應(yīng) II語法填空 1. She _______(lay)down her book and

17、_______(lie)in bed. 2. We suggest that they provide an effective warning system to prevent many of the disasters_______(happen) 3. Water is fundamental _______ us. 4. There was a _______(violence) reaction from the public when the singer was sent to prison last week. 5. Good teachers are e

18、xpert at creating an atmosphere _______all the students feel respected and cared for. 6. _______his dream of going to college will come true is uncertain. 7. She was wandering in the supermarket when her purse was taken _______violence. 8. We usually take turns_______(do)cleaning, and today it i

19、s my turn_______(do)it. 9. You should stop smoking, _______ it will multiply the risk of the lung cancer. 10. No one is _______(leave) the building without the permission of the police. III翻譯與仿寫 1. It was the study of history that gave birth to the social sciences. （翻譯并仿寫） _____________________

20、__________________________________(兩個夢想誕生瘋狂事業(yè)) 2. The teacher's words prevented the students from making foolish mistakes． ________________________________________________________(大雪阻止了士兵們前進(jìn)） 3. The stock market crash of 1929 ruined many people.（翻譯） ______________________________________________

21、______________ 4. The tides depend on the pull of the moon. （翻譯） ____________________________________________________________ M3 U4 Astronomy: The Science Of The Stars Section I Words and Expressions 生命課堂—互動探究 二、 重點單詞 1. 1) There existed 2) come into existence 2. puzzling puzzled

22、 1) remains a puzzle 2) What puzzled me most 3) puzzling 3. alike 1) dislikes 2) unlike 3) dislike 4) alike 5) It is likely that 6) is likely to Summary 1）. unlike dislike （v.) alike (adj.& adv.)區(qū)別 這三個詞在like前加的是前綴“un","dis”和“a"，但是詞性和用法是不一樣的。unlike是在介詞like（像，如同）前加前綴，表示相反意義“不像，

23、不同于”。而dislike是在動詞like（喜歡）前加前綴，表示相反意義“不喜歡，討厭”，表示此含義時也可以作名詞用。alike可作形容詞，表示“相同的，相似的”，也可作副詞用，表示“同樣地，相似地”。 4. 1）do serious harm to 2) be harmful to 重點短語 1. time習(xí)語： 1).曾經(jīng)，一度 2). 有時 3).一次，每次 4). 及時 ； 遲早 5).按時 6).消磨時光 7).提前 8).一直；始終 9). 立即立刻 10).不著急 慢慢來 1. 活用：1)

24、C 2)at one time 3) in time 2. 1) We take turns cleaning the classroom./ We clean the classroom by turns. 2) We buy food in the cafeteria in turn. 隨堂自測 I. 漢譯英（單詞和詞組） 1. religion 2. theory 3.atmosphere 4. fundamental 5. gravity 6. satellite 7. climate8. crash 9. spaceship 10. float 11. la

25、y eggs 12. give birth to 13. block out 14. now that 15. break out 16. watch out 17. in all directions 18. cheer up19. get the hang of 20. chain reaction II語法填空 1. laid, lay 2. (from) happening 3. to 4.violent 5. where 6. Whether 7. by 8. to do; to do 9. or 10. to leave III翻譯與仿寫 1. It was two dreams that give birth to crazy cause. 2. The heavy snow prevented the soldiers from advancing. 3.1929年股票市場的崩潰使許多人破了產(chǎn)。(n．崩潰) 4. 潮汐依靠月球的引力。 6