英语：Module4-Great-Scientists课件(外研版必修4)讲课稿

1、英语：Module4-Great-Scientists课件(外研版必修4)zoologybotanybiologyphysicsbiochemistrychemistrygeneticsReading & Vocabulary -2. Read the He was a student with lots of questions and he was interested in plants. By crossing different species of rice plant, then he could produce a new plant which could give

2、a higher yield than either of the original plants.He discovered a naturally sterile male rice plant.Chinese rice production rose by 47.5% in the 1990s. There were other advantages. 50,000 square kilometres of rice fields were converted to growing vegetables and other cash crops. Yuans rice was expor

3、ted to other countries. His rices yield is much greater than the yield of other types of rice grown in Pakistan.Reading & Vocabulary - 3. Read the 1. China produces more rice than any other country.2. Yuan Longping asked a lot of questions at school.3. He developed a new kind of fast-growing ric

4、e.4. The government helped him in his research.5. The new rice replaced vegetables in 50 thousand square kilometers.6. The new rice is now grown n other countries, such as Pakistan.Para 1Para 2Para 3Para 4Para 5Para 6His discoveries increased Chinese rice production.The yield of the new hybrid rice

5、is much greater than that ofother types grown in Pakistan.Activity 3: cropbreakthroughbreedsupportfeedpublishproducerspecies1) agriculture Activity 4: B B A B1) B Suppose one of you is an experienced farmer whohas been growing rice; One is professor Yuan and the other one is a reporter. Please talk

6、about the influence of the new hybrid rice. Tips:Theres a quiz show being on.quiz: a competition or game in which people try to answer questions to test their knowledgeawardequalmeasurediscovertheoryradiationcontestantroundnuclear reaction 7. a person who takes part in a contest 8. a stage in a comp

7、etitionSuperquiz.The second round.Great Scientists.Matthew and Rachel.12.36:36.39:41.Answers: born published given famous for hole discovered, holes holes measuredListening & Speaking -5.Extra- moment, Matthew and Rachel are _, with 36 points each. First question: What is Einstein known for?(buz

8、zer)M: _.gets a pointgoes to the second contestant losesequalThe theory of relativity_?was publishedWho was it written byWhat award was he givenA Brief History of Timeblack holeHow are black holes measuredwere discovered bylight waves Hawking _another reason. Does anyone know? Who was this radiation

9、 discovered byWell doneis famous for Matthew has thirty-nine points and Rachel has forty-one points! Culture corner -2. Skimming Today rockets are only used to send astronauts into space. Rockets were invented by Chinese about 2,000 years ago. It was in the Song Dynasty that rockets were first used

10、in wars. It is believed that Europeans learned how to make rockets from the Mongols. Wan Hu succeeded in sending himself into space with the help of rockets.Culture corner -3. Structure (5ms) Today rockets are used to send astronauts into space or celebrate great events. Rockets were first invented

11、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 out more information about rocket on Internet. Then share it with your classmates Tomorrow Grammar - 1. Observation (5ms) of China.present simple

12、1past simplerefers to the future present prefectGrammar3 . Exerciseswas educatedwas givenwere publishedwas discoveredwere convertedwas 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的执行者行文的需要行文的需要Grammar-5.nam / is / are + 过去分词过去分词 (p.p.)was / were + p.p.shall /

13、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.Are p Mother bought me a new coat.p I was bought a new coat.p A new coat was bought for me.give, show, hand, send, pay, lend, pass, tell, write, bring, sell, offer, caus

14、e, 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toCan 系动词系动词 + adj.:主动表被动主动表被动某些和某些和well, easily等副词连用的不及物动词等副词连用的不及物动词, 如如read, wash, clean, cook, close, cost, lock, look, open, sell, write, wear, etc. The window is dirty. I know. It _ for weeks.A. hasnt cleanedB. didnt cleanC. wasnt cl

15、eanedD. hasnt been cleanedNow that she is our of a job, Lucy _ going back to school, but she hasnt decided yet.A. had consideredB. has been consideringC. consideredD. is going to considerThe mayor of Beijing says that all construction work for the Beijing Olympics _ by 2006.A. has been completed B.

16、has completedC. will have been completed D. will have completedAccording to the art dealer, the painting _ to go for at least a million dollars.A. is expectedB. expectsC. expectedD. is expecting- What happened to the priceless works of art?- _.A. They were destroyed in the earthquakeB. The earthquak

17、e was destroying themC. They destroyed in the earthquakeD. The earthquake destroyed them- The window is dirty.- I know. It _ for weeks.A. hasnt cleanedB. didnt cleanC. wasnt cleanedD. hasnt been cleanedWhen and where to go for the no-salary holiday _ yet.A. are not decidedB. have not been decidedC.

18、is not being decidedD. has not been decided8. A new cinema _ here. They hope to finish it next month.A. will be built B. is built C. 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 designed

19、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 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. The first use of atomic weapons was in 1945, and th

20、eir power _ increased enormously ever since.A. is B. was C. has been D. had been Finish 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-sellerdiseasecosmologycre

21、ationdisabilityRead the passage about Stephen Hawking and number the paragraphs in the correct order.Answers:2-3-1Write 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

22、short paragraph about Albert Einstein using the notes in Activity 4. Begin like this: Albert Einstein was probably the most brilliantscientists of the twentieth century.Reading &Writing 7. Peer checking and rewriting (10ms)Are you clear what happen(4Wand H)Do you know the writers attitude and em

23、otion?Are there any good connecting words or phrases?Are there any good phrases or sentences?Are there any spelling mistakes?Language points 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 -

24、 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 crossing 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

25、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 the breakthrough.breakthrough: an important development that may lead to an agreement or achievement 重大进展重大进展,突破突破 make a breakthrough a major breakthrough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. Following this, Yuan Longpings rice was exported to other countries, such as