（新教材）人教版（2019）高中英语选择性必修第一册Unit 5 Period 2 Discovering Useful Structureppt课件.pptx

1、Discovering Useful Structures n By the end of this period, you will be able to 1.analyze the forms and features of subject clause. 2.learn the functions of subject clause in the context. 3.appreciate and use subject clause in reading and writing. What concerned Yuan Longping most while young? Lead i

2、n What concerned Yuan Longping most while young was that farmers often had poor harvests and sometimes even had a serious shortage of food to eat. It concerned Yuan Longping most while young that farmers often had poor harvests and sometimes even had a serious shortage of food to eat. Look at the fo

3、llowing sentences and tell the functions of the underlined sentences. 1. What concerned Yuan Longping most was that farmers often had poor harvests and sometimes even had a serious shortage of food to eat. 2. How this could be done was a challenging question of the time. 3. Whether it was possible t

4、o develop a hybrid of self-pollinating plants was a matter of great debate. 4. It is estimated that about 60% of domestic rice consumption in China is comprised of crops generated from Yuans hybrid strains. 5. What impresses people most about Yuan Longping is his ongoing ability to fulfil his dreams

5、. Observe and analyze Observe and analyze StructureFunctionLeading word Sentence 1 at the beginning of the whole sentence, beginning with “what” act as subject Sentence 2act as subject Sentence 3act as subject Sentence 4act as subject Sentence 5act as subject Finish the table; learn the structures a

6、nd functions of the underlined sentences. Observe and analyze StructureFunctionLeading word Sentence 1 at the beginning of the whole sentence, beginning with “what” act as subject what Sentence 2act as subject Sentence 3act as subject Sentence 4act as subject Sentence 5act as subject Finish the tabl

7、e; learn the structures and functions of the underlined sentences. at the beginning of the whole sentence, beginning with “how” at the beginning of the whole sentence, beginning with “whether” at the beginning of the whole sentence, beginning with “that” at the beginning of the whole sentence, begin

8、ning with “what” how whether that what Practice Understand the sentence structures of following. 1. It is estimated that about 60% of domestic rice consumption in China is comprised of crops generated from Yuans hybrid strains. That about 60% of domestic rice consumption in China is comprised of cro

9、ps generated from Yuans hybrid strains is estimated. It is estimated that about 60% of domestic rice consumption in China is comprised of crops generated from Yuans hybrid strains. 2. That agriculture is the foundation of our country is well known. _ It is well known that agriculture is the foundati

10、on of our country.It is well known that agriculture is the foundation of our country.It is well known that agriculture is the foundation of our country. It is well known that agriculture is the foundation of our country. Observe and analyze Practice Find and mark the subject clauses in the sentences

11、 and then state their functions, leading words italicised. 1. What Yuan Longping really cared about was not money or celebrity. 2. It surprised the whole world that Yuan Longping had realised his dream of developing seawater rice. 3. How he did the experiment was puzzling to others. 4. When the spor

12、ts meet will be held hasnt been decided yet. 5. It remains a mystery where he has gone for further study. Practice 1. What Yuan Longping really cared about was not money or celebrity. 2. It surprised the whole world that Yuan Longping had realised his dream of developing seawater rice. 3. How he did

13、 the experiment was puzzling to others. 4. When the sports meet will be held hasnt been decided yet. 5. It remains a mystery where he has gone for further study. Match the sentence parts, and then translate the completed sentences into Chinese. 1._ remains an unanswered question. 2._ is an important

14、 topic for us to research. 3._ is that these chemicals may even cause cancer. 4. _ these vegetables can even be planted without any soil through this new technology. 5._ is the reason why some people prefer to live in the country rather than in the city. A What worries many people B That the lifesty

15、le is slower and healthier C How We can find a suitable solution to produce sufficient food while keeping the environment safe D When these wheat farmers will join this pilot experiment E It amazed all of us that 1 D; 这些小麦农户什么时候会加入预试验仍然不得而知。这些小麦农户什么时候会加入预试验仍然不得而知。 2 C; 如何能够找到一个合适的解决办法，在保证环境安全的同时，生产足

16、如何能够找到一个合适的解决办法，在保证环境安全的同时，生产足 够的粮食，是一个需要我们研究的重要课题。够的粮食，是一个需要我们研究的重要课题。 3 A;令很多人担心的是，这些化学制品甚至可能导致癌症。令很多人担心的是，这些化学制品甚至可能导致癌症。 4 E;令我们所有人惊讶的是，通过这种新技术，可以无土栽培这些蔬菜。令我们所有人惊讶的是，通过这种新技术，可以无土栽培这些蔬菜。 5 B;有些人更喜欢住在乡下而非城市的原因是前者生活节奏更慢、生活方式有些人更喜欢住在乡下而非城市的原因是前者生活节奏更慢、生活方式 更健康更健康。 Circle and correct the mistake in e

17、ach sentence. (Workbook P90 Exercise 3) 1 What have I forgotten is that I have a test today. 2 Who left me these flowers are not clear to me. 3 This is obvious that students should prepare well for their future. 4 Whos ticket this is has not been confirmed. 5 When the test will be given have not bee

18、n decided. 1 What I have forgotten is that I have a test today. 2 Who left me these flowers is not clear to me. 3 It is obvious that students should prepare well for their future. 4 Whose ticket this is has not been confirmed. 5 When the test will be given has not been decided. Read the passage and

19、underline all the subject clauses. Then discuss whether the sentences with subject clauses can be paraphrased. Grandma has been complaining about the vegetables sold in the supermarket, which have been grown using chemical fertilisers. To her, that they look beautiful on the outside is obvious. Howe

20、ver, what she is unhappy about is the lower nutritional value and reduced flavour. Now that both of my grandparents have retired from their jobs in the city, how they are going to spend their retirement is an important decision for them. Whether they can live a healthy life is the first thing they a

21、re considering. So they have made up their minds to move to the countryside, where they can live a green life. Grandma has been complaining about the vegetables sold in the supermarket, which have been grown using chemical fertilisers. To her, that they look beautiful on the outside is obvious. Howe

22、ver, what she is unhappy about is the lower nutritional value and reduced flavour. Now that both of my grandparents have retired from their jobs in the city, how they are going to spend their retirement is an important decision for them. Whether they can live a healthy life is the first thing they a

23、re considering. So they have made up their minds to move to the countryside, where they can live a green life. To her, it is obvious that they look beautiful on the outside. Prepare a presentation What qualities do you think make a person like Yuan Longping so successful? Have a discussion and prepa

24、re a presentation. What impresses me most is that What makes him/her a great is that It is important that Whether depends on That is his/her most important quality. What impresses me most is that What makes him/her a great is that It is important that Whether depends on That is his/her most importan

25、t quality. What impresses me most is that Yuan Longping has succeeded in helping to feed so many people. It is important that he never gave up, despite many difficulties. That he succeeded in realising his dream is what makes him great. Finish Activities 1、2、4 in Using Structure of Workbook on page 90.