外研版高中英语必修四module4-ppt课件.ppt

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1、1)Today rockets are only used to send astronauts into space.2)Rockets were invented by Chinese about 2,000 years ago.3)It was in the Song Dynasty that rockets were first used in wars.4)It is believed that Europeans learned how to make rockets from the Mongols.5)Wan Hu succeeded in sending himself in

2、to space with the help of rockets. Today rockets are used to send astronauts into space or celebrate great events. Rockets were first invented by Chinese about 2,000 years ago. First rockets were used in battles in China and then it was spread to Europe. Rockets were also used in other ways. Find ou

3、t more information about rocket on Internet. Then share it with your classmates Tomorrow Revision of Passive Voice （被动语态复习）（被动语态复习）1. was educated2. was given3. were published4. was discovered5. were converted6. was exported不知道动作的执行者不知道动作的执行者不必提出动作的执行者不必提出动作的执行者强调动作的承受者强调动作的承受者习惯用法习惯用法不确定动作的执行者不确定动作

4、的执行者行文的需要行文的需要am / is / are + 过去分词过去分词 (p.p.)was / were + p.p.shall / will + be + p.p.am / is / are + being + p.p.was / were + being + p.p.has / have + been + p.p.had been + p.p.should / would + + p.p.p Mother bought me a new coat.p I was bought a new coat.p A new coat was bought for me.give, show,

5、hand, send, pay, lend, pass, tell, write, bring, sell, offer, cause, wish, teach, buy等常有双宾等常有双宾语语,变被动态时应考虑加上介词变被动态时应考虑加上介词for或或tonThese trees need watering .nThis house requires repairing系动词系动词 + adj.:.:主主动表被动动表被动某些和某些和well, , easily等副词连用的等副词连用的不及物动词不及物动词, , 如如read, wash, clean, cook, close, cost, l

6、ock, look, open, sell, write, wear, etc用主动表被动用主动表被动. .在在 need , require 等词后面用动名词的等词后面用动名词的 主动形式表示被动意义。主动形式表示被动意义。1. The window is dirty. I know. It _ for weeks.A. hasnt cleanedB. didnt cleanC. wasnt cleanedD. hasnt been cleaned2. Now that she is out of a job, Lucy _ going back to school, but she has

7、nt decided yet.A. had considered B. has been consideringC. consideredD. is going consider3. The mayor of Beijing says that all construction work for the Beijing Olympics _ by 2006.A. has been completed B. has completedC. will have been completed D. will have completed4. According to the art dealer,

8、the painting _ to go for at least a million dollars.A. is expectedB. expectsC. expectedD. is expecting5. - What happened to the priceless works of art?- _.A. They were destroyed in the earthquakeB. The earthquake was destroying themC. They destroyed in the earthquakeD. The earthquake destroyed them6

9、. Books of this kind _ well . A.sell B.sells C.are sold D.is sold 7. When and where to go for the no-salary holiday _ yet.A. are not decidedB. have not been decidedC. is not being decided D. has not been decided8. A new cinema _ here. They hope to finish it next month.A. will be built B. is built C.

10、 has been built D. is being built9. The new suspension bridge _ by the end of last month. A. has been designed B. had been designed C. was designed D. would be designed10. Hundreds of jobs _ if the factory closes.A. lose B. will be lost C. are lost D. will lose 11. Rainforests _ and burned at such a

11、 speed that they will disappear from the earth in the near future.A. cut B. are cut C. are being cut D. had been cut 12.- Do you like the material ? - Yes , it _ very soft . A. is felling B . felt C. feels D. is feltby + -ing form Grammar 2介词介词“by”与名词，代词或动词与名词，代词或动词-ing 连用，连用，在句中作状语。在句中作状语。1. Finish

12、 the related exercises on WB. Stephen HawkingWhen & where was he born?Why was he famous?When did he discover /invent?Match the words in the box with the definitions.victimdiagnosebest-sellerdiseasecosmologycreationdisabilityRead the passage about Stephen Hawking and number the paragraphs in the corr

13、ect order.Answers:Answers:2-3-12-3-1Write the number of the paragraphs.Paragraph 1( the third in the book)Paragraph 2( the first in the book)Paragraph 3( the second in the book)Discuss with your group members .Write three short paragraph about Albert Einstein using the notes in Activity 4. Begin lik

14、e this:Albert Einstein was probably the most brilliantscientists of the twentieth century.Are you clear what happen(4Wand H)Do you know the writers attitude and emotion?Are there any good connecting words or phrases?Are there any good phrases or sentences?Are there any spelling mistakes?Language poi

15、nts for Reading 1. He thought that the key to feeding people was to have more rice and to produce it more quickly.2. He thought there was only one way to do this - by crossing different species of rice plant, .Thats not a right way to solve the problem.Im not happy with this way of working.by crossi

16、ng 通过杂交的方式通过杂交的方式Switch it by pressing this button.I will contact you by e-mail.species (singl. / pl.) 种种,物种物种There are many species of dogs.experiment: (n.) c / u实验；试验实验；试验3. First Yuan Longping experimented with different types of rice.do / perform / carry out an experiment 做做/进行实验进行实验4. This was

17、the breakthrough.Breakthroug 重大进展重大进展,突破突破make a breakthrough 取得突破取得突破/进展进展 a major breakthrough 一个重要突破一个重要突破有人说，这是癌症研究中的重要突破。有人说，这是癌症研究中的重要突破。They say this is a major breakthrough in cancer research.5. 50 kilometres of rice fields were converted to growing vegetables and other cash crops.6. Followi

18、ng this, Yuan Longpings rice was exported to other countries, such as .印度向许多国家出口茶叶和棉花。印度向许多国家出口茶叶和棉花。India exports tea and cotton to many different countries.90%的发动机都出口到欧洲。的发动机都出口到欧洲。90% of engines are exported to Europe.export (n.) import (v. / n.)export tradeimports of oil出口贸易出口贸易石油的进口石油的进口1. 在水稻种

19、植界，中国科学家袁隆平是一位重要在水稻种植界，中国科学家袁隆平是一位重要人士。人士。In rice-growing world, the Chinese scientist, Yuan Long-ping, is a _ _.2. 袁隆平生长在中国。袁隆平生长在中国。Yuan Longping was born and _ _ in China.3. 袁隆平从小就对植物感兴趣。袁隆平从小就对植物感兴趣。From an early age Yuan Longping _ _ _ plants.4. 他想，养活世人的关键是更多更快地生产水稻。他想，养活世人的关键是更多更快地生产水稻。He thou

20、ght that _ _ _ feeding breeding.5. 他认为，唯一的办法是使不同种类的水稻杂交。他认为，唯一的办法是使不同种类的水稻杂交。He thought there was _ _ _ _ do this _ crossing different species of rice plant.6. 全国各地的研究者们被召集在一起开发新的水稻种。全国各地的研究者们被召集在一起开发新的水稻种。Researchers _ _ _ from all over China to _ the new system.7. 由于袁隆平的发现，中国的水稻产量在由于袁隆平的发现，中国的水稻产量在20世纪世纪90年代年代增长了增长了47.5%。_ _ _ _ Yuan Longpings discoveries Chinese rice production _ _ 47.5 percent in the 1990s.