Unit 1 Science and scientists Discovering useful structures ppt课件-(2022新)人教版高中英语选择性必修第二册.pptx

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1、Noun Clauses 2Predictive Clause & Objective clause名词性从句(二)名词性从句(二) 表语从句和宾语从句表语从句和宾语从句1. 课本链接:用适当引导连词或连接代课本链接:用适当引导连词或连接代词填空。词填空。 However, what concerned him most was _ farmers often had poor harvests and sometimes even had a serious shortage of food to eat. Over time, however, what some scientists h

2、ave found is _ their long-term use can sometimes harm both the land and peoples health.表语从句表语从句(Predictive Clause)thatthat Why different crops are grown is _ they put important minerals back into the ground, making it ready for the next batch of crops. What keeps them form doing so is _ chemical far

3、ming serves the high demand for food around the world. It is _ _ they are asleep with their eyes open.thatthatas if2. 表语从句的概念及引导词:表语从句的概念及引导词: 在复合句中用作表语的从句叫表在复合句中用作表语的从句叫表语从句。表语从句通常位于语从句。表语从句通常位于be, look, remain, seem等系动词之后。等系动词之后。1) 由连词由连词that, whether ( if) , as if/as though, because, as 等引导。等引导。

4、The fact is/remains _ he doesnt really try.that The reason was _ he was afraid. My idea/thought/suggestion/ opinion/hope is that The trouble/problem with this job is _ the pay is too low. _ surprised me was _ she spoke English so well. thatthatWhatthat The question is/remains _ it is worth trying. I

5、t is/looks/seems/appears/feels/tastes sounds/smells/as if/as though They didnt write to you. It/This/ That is _ they dont know your address. Things were not _ they seemed to be. whetherbecauseas2) 由连接代词或连接副词由连接代词或连接副词wh- 引导引导(不含不含wh-ever)。 An opinion is _ someone believes is true but has not been pr

6、oved. The problem is _ we can get to replace her. What I mean is _ suit you like best.whatwho/whomwhich Sunday is _ very few people go to work. This is _ Jane lives. What I want to know is _ we can get your reply. This was _ Salt Lake City now lies. That is _ children often fall ill. whenhow/wherewh

7、enwherewhy宾语从句宾语从句 (Object clause) 在复合句中用作动词或介词宾语的从在复合句中用作动词或介词宾语的从句叫宾语从句。句叫宾语从句。1. 由连词由连词that引导引导, 口语中口语中that常省略。常省略。 As a result of this evidence, John Snow was abvle to announced _ the pump water carried cholera germs. that句型句型1:vI dont think/believe/suppose/ guess/consider/imagine/expect/ fancy/

8、feel (that) I dont think its very funny. He didnt believe that such things mattered much. 句型句型2:v suggest/insist/request/require/order/ demand/advise/command/instruct/ desire/urge (that) (should) + v. My adviser rexommendfed that I_ (sign) up for advanced literature because I like Engl;ish and Im go

9、od at it.(should) sign To prevent this from happening again, John Snow suggested that the source of all the water supplies _ (examine). (should) be examined句型句型3:v think/consider/feel/find/make it +adj./n. + that/wh- I think it important/necessary _ young people master two languages. He has made it

10、clear _ he wont agree to the plan. (说明说明)thatthat The rules make it quite clear _ should be done in such a situation. We all consider it a pity _ he was not able to join us. He hasnt made it known/public _ he is to be married. (宣布宣布)thatwhatwhen句型句型4v be (not) afraid/sorry/sure that/ wh- Im afraid I

11、 dont quite follow you. No one can be sure _ man will look like in a million years.2. 由连词由连词whether/if (是否)引导。(是否)引导。 I did not know whether/if I could survive until morning. what I wonder whether/if youd mind us asking a few questions. 但下列情况下只用但下列情况下只用whether: Please tell me whether or not you agre

12、e. (or not 紧跟紧跟 whether之后之后if) =Please tell me whether/if you agree (or not). I was worried about whether I would become out of work. (介词之介词之后后if ) Whether (or not) he will accept your offer I dont know. (宾语从宾语从句置于句首句置于句首if) (此外引导主从、表从、同位语从(此外引导主从、表从、同位语从句只用句只用whether, 不用不用if。)。)3. 由连接代词或副词由连接代词或副词w

13、h- (含含whatever,whichever,whoever, whomever)引导。引导。 First, I had to think very carefully about _ courses I wanted to take. So how can I rally know _ makes each student tick? Studying hard isnt always fun, but Ill be well prepared for university or _ else comes in the future.whichwhateverwhat People be

14、gan to wonder _ long the disaster would last. We havent decided _ well set off for home. Nobody knows for sure _ and _ dinosaurs disappeared from the earth in such a short time. The children are allowed to do _ they like. Choose _ of them you like best.whywhenhowwhateverhowwhichever Well give you _

15、help you need. Take _ seat you like. You can give the ticket to _ wants it. You can give the ticket to _ you like.whicheverwhateverwhoeverwhoever/whomever 注意注意: 介词之后多用介词之后多用wh- 引导的宾引导的宾语从句,语从句,that从句较少见:从句较少见: Im interested not in _ we shall go for a picnic but in _ and _ we shall have it. We can le

16、arn a lot about _ people are thinking by watching their body language.whetherwhenwherewhat Over time, much of _ was nearby died.But: I knows nothing about him except _ he lives next door.whateverthat名词性从句练习名词性从句练习(1)(表语从句与宾语从句表语从句与宾语从句)1. I lived in _ you call “Ancient Greece” and I used to write ab

17、out the Olympic Games more than 2,000 years ago. 2. Others write about their travels in _ is called a travel journal.3. Thats _ we looked like.what I. Fill in the blanks whatwhat4. In 1492, Columbus arrived in _ is now called America/ we now call America.5. A modern city has been set up in _was a wa

18、steland ten years ago.6. The hotel in _ we stayed was both cheap and comfortable. what what which7. In some countries, _ is called “equality” does not really mean rights for all people.8.This is _ they call Salt Lake city.9. That is _ they are called the Winter Olympics.whatwhatwhy 10. Dr Yuan Longp

19、ing grows _ is called supper hibrid rice (超级杂超级杂交水稻交水稻).11. An attitude is _ a person thinks about something.13. _ life will continue on earth for millions of years to come will depend on _ the problem will be solved.what what whether whether 1. Steve says those are _ his friends want. A. that B. wh

20、at C. which D. whatever2. Go and get your coat. Its _ you left it. A. there B. there where C. where D. where thereII. Make the best choice: B C 3. The question is _ it is worth doing. A. why B. when C. what D. whether 4. Now is _ I need you. A. who B. when C. what D. why D B 5. _ the old mans sons w

21、anted to know was _ the gold had been hidden. A. That; when B. What; where C. What; that D. Which; whether 6. China is no longer _it used to be. A. where B. which C. what D. who B C 7. I remember _ this used to be a quiet village. A. when B. how C. where D. what8. It is generally considered unwise t

22、o give a child _ he or she wants. A. whatever B. whichever C. what D. whenever A A 9. I drove to Zhuhai for the air show last week. Is that _ you had a few days off? A. why B. what C. when D. where 10. Sarah hopes to become a friend of _ shares her interests. A. anyone B. whomever C. whoever D. no m

23、atter who A C 11. It was a matter of _ would take the position. A. who B. whom C. whoever D. whomever 12. _ worries me is _ were going to pay for all this. A. It, that B. That, how C. What, how D. Why, whether A C 13. He pointed to _ looked like a tree. A. that B. what C. which D. where14. His incom

24、e is double _ it was five years ago. A. that B. which C. as D. what B D 15. I strongly believe _ he said at the meeting was right. A. that B. which C. that what D. what that16. John was among the first to settle in _is now New England. A. which B. where C. that D. what C D 17. He asked me _ of the p

25、lan put forward at the meeting.A. what did I thinkB. what I thoughtC. how did I thinkD. how I thoughtB 18. The poor young man is ready to accept _ help he can get. A. whichever B. however C. whatever D. whenever 19. All the books are here. You may borrow _ you like. A. whatever B. which C. whichever

26、 D. whatC C 20. I dont know if she _, but if she _ I will let you know. A. comes, comes B. will come, will come C. comes, will come D. will come, comes D 21.You are saying that everyone should be equal, and this is _ I disagree. A. why B. where C. what D. how 22. They make _ a rule that whoever brea

27、ks the law will be punished. A. it B. that C. this D. what B A 23. You should wear _ dress suits you best. A. which B. whichever C. any D. whatever24. Im willing to pay _ price you ask. A. what B. which C. whichever D. whateverD B 25. Perseverance is a kind of qualityand thats _it takes to do anythi

28、ng well. A. what B. that C. which D. why A 26._ seems strange to us is _ the troublesome boy is getting along well with all his teachers. A. It; that B. What; how C. It; how D. What; that D 27.The shopkeeper did not want to sell for_ he thought was not enough. A. where B. how C. what D. whichC28. Ma

29、ry wrote an article on_ the team had failed to win the game. A. why B. what C. who D. thatA29.After Yang Liwei succeeded in circling the earth, _our astronauts desire to do is walk in space. A. where B. what C. that D. howB30. We wrote a letter of thanks to _ had helped us. A. who B. whoever C. whom

30、ever D. anyone B31. You cant imagine _ when they received these nice Christmas presents. A. how excited they were B. how they were excited C. how were they excited D. they were how excitedAHOST: In this hour, well talk about _ our life will be like in the future. Lets warmly welcome Dr Smart, a prof

31、essor from Future University! Hell tell us _ he thinks about our future. Professor Smart, your many predictions made 30 years ago练一练:语法填空练一练:语法填空 (一)(一) about our life in the future have mostly come true. People want to know more. There are many high school students here who are curious to know _ ne

32、w predictions you will make about the future.DR SMART: Society is developing fast and there will be many new things that will make our lives much more convenient, but at the same time many new problems will threaten the quality of life. _s important is not _ my predictions come true or not, but _ th

33、ey help us make better decisions about our future. _ we live today will influence the future.HOST: In this hour, well talk about _ our life will be like in the future. Lets warmly welcome Dr Smart, a professor from Future University! Hell tell us _ he thinks about our future. Professor Smart, your m

34、any predictions made 30 years agowhatwhat练一练:语法填空练一练:语法填空 (一)(一) about our life in the future have mostly come true. People want to know more. There are many high school students here who are curious to know _ new predictions you will make about the future.DR SMART: Society is developing fast and th

35、ere will be many new thingswhat that will make our lives much more convenient, but at the same time many new problems will threaten the quality of life. _s important is not _ my predictions come true or not, but _ they help us make better decisions about our future. Whatwhetherwhether _ we live toda

36、y will influence the future.How Danger is not _ we expect. But the truth is _ it often comes suddenly and unexpectedly. How can we get out of danger? There are many answers to this question. The key is _ we can face danger bravely.练一练:语法填空练一练:语法填空 (二)(二) _ you must remember is _ you must believe in

37、yourself. Just remember _ you can defeat danger. Tell youreslf _ you can turn into a superworman or a superman _ you are in danger. This is _ I am going to tell you the stories of Mrs Weldon and Dr. Watson. Mrs. Weldon reported _ her body was nearly run over by a car _ she was trying to save her bab

38、y. Mrs. Weldon weighs only fifty kilograms. She looks as if she was very weak, but she said she lifted the car to save her baby. Dr. Watson, a zoologist, wrote _ he jumped nearly three meters high into the air to take hold of the lowest branch of a tree _some wolves ran after him. Perhaps you are wo

39、ndering _ you can do such things like them. The chances are _ you can! Danger is not _ we expect. But the truth is _ it often comes suddenly and unexpectedly. How can we get out of danger? There are many answers to this question. The key is _ we can face danger bravely.whatthatwhether练一练:语法填空练一练:语法填

40、空 (二)(二) _ you must remember is _ you must believe in yourself. Just remember _ you can defeat danger. Tell youreslf _ you can turn into a superworman or a superman _ you are in danger. This is _ I am going to tell you the stories of Mrs Weldon and Dr. Watson. Mrs. Weldon reported _thatWhatthatwhywh

41、enthatthat her body was nearly run over by a car _ she was trying to save her baby. Mrs. Weldon weighs only fifty kilograms. She looks as if she was very weak, but she said she lifted the car to save her baby. Dr. Watson, a zoologist, wrote _ he jumped nearly three meters high into the air to take h

42、old of the lowest branch of a tree _some wolves whenthatwhen ran after him. Perhaps you are wondering _ you can do such things like them. The chances are _ you can!whether/ifthat Mothers want to give (1) _ their children need, such as love and attention. Do you know (2) _ they want to show their lov

43、e? They stay with their children as long as possible, except (3) _ they have to work. Mothers who work feel (4) _ 练一练:语法填空练一练:语法填空 (三)(三) they are not giving enough attention to their kids. They think (5) _ their children want to spend more time with them. According to Helen, working mothers feel so

44、rry for (6) _ they cannot do for their children. But no one had ever asked children (7) _ they thought. So she asked over 1,000 kids of working mothers to find out (8) _ they wanted. She asked them (9) _ they wanted their moms to stay at home. Surpringly, only 10% of the children said (10) _ they wa

45、nted more time with their mothers and (11) _ they wanted their parents to pay more attention to them. They said (12) _ their parents were often busy. When she asked them (13) _ they needed most, most of them said (14) _ they wanted to feel important and loved. Mothers want to give (1) _ their childr

46、en need, such as love and attention. Do you know (2) _ they want to show their love? They stay with their children as long as possible, except (3) _ they have to work. Mothers who work feel (4) _ 练一练:语法填空练一练:语法填空 (三)(三)whateverhowwhenthat they are not giving enough attention to their kids. They thin

47、k (5) _ their children want to spend more time with them. According to Helen, working mothers feel sorry for (6) _ they cannot do for their children. But no one had ever asked children (7) _ they thought. So she asked over 1,000 kids of working thatwhatwhat mothers to find out (8) _ they wanted. She

48、 asked them (9) _ they wanted their moms to stay at home. Surpringly, only 10% of the children said (10) _ they wanted more time with their mothers and (11) _ they wanted their parents to pay more attention to them. They said (12) _ their parents were whatwhether/ifthatthatthat often busy. When she asked them (13) _ they needed most, most of them said (14) _ they wanted to feel important and loved.whatthatThe End

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