（2019版）人教版选择性必修第一册英语Period 2Discover Useful Structures 教案.docx

1、Period 2Discover Useful Structures 学案设计 学习目标 1.To analyse the forms and features of subject clauses. 2.To learn the functions of subject clauses in the context. 3.To appreciate and use subject clauses in reading and writing. 课堂探究 Part Observe and analyse Activity 1Look at the following sentences and

2、 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 at the time. (3)Whether it was possible to develop a hybrid of

3、 self-pollinating plants was a matter of great debate. (4)It is estimated that about 60 percent 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. Activity 2Fi

4、nish the table and learn the structures and functions of the underlined sentences. SentenceStructureFunction Leading word Sentence 1 at the beginning of the whole sentence,be ginning with “what” act as subject Sentence 2 act as subject Sentence 3 act as subject Sentence 4 act as subject Sentence 5 a

5、ct as subject Activity 3Understand the sentence structures of the following. (1)It is estimated that about 60 percent of domestic rice consumption in China is comprised of crops generated from Yuans hybrid strains. That about 60 percent of domestic rice consumption in China is comprised of crops gen

6、erated from Yuans hybrid strains is estimated. It is estimated that about 60 percent 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. Part Practice Activity 1Find and mark the subject

7、clauses in the sentences and then state their functions and 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

8、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. Activity 2Match the sentence parts,and then translate the completed sentences into Chinese. (1)remains an unanswered question. (2)is an important topic for us to resea

9、rch. (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 lifestyle is slower and healthier

10、 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 Activity 3Circle and correct the mistake in each sentence. (1)What have I forgotten is that I have a test today.

11、(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 been decided. Activity 4Read the passage and underline all the subject clauses.Then discuss

12、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.However,what she is unhappy about is the lower nutrition

13、al 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 are considering.So they have made up their minds to move

14、to the countryside,where they can live a green life. Part Prepare a presentation What qualities do you think make a person like Yuan Longping so successful?Have a discussion and prepare a presentation. *his/her determination to tackle the crisis of. *his/her intense effort to overcome. *his/her drea

15、m to develop. *his/her love and care for. *he/ she succeeded in. *he/she never gaveup. *he/she is devoted to. 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. Part Homework Finish Activities 1,2 and

16、4 in Using Structures of Workbook on page 90. Part 核心素养专练 用适当的词填空,使句子意思完整。 1.he didnt attend the meeting yesterday wasnt quite clear. 2.The Foreign Minister said, “It is our hopethe two sides will work towards peace.” 3.team will win the match is still unknown. es to the party will receive a present

17、. 5.Mary has left is still a question. 6.Its reportedthree people were killed in the accident and five were hurt badly. 7.he solved the problem successfully interested all of us. 8. We usually thinkwe cant get seems better than what we have. 9. It is a factEnglish is being accepted as an internation

18、al language. 10.is to be sent there to solve the problem hasnt been decided. 参考答案 Part Observe and analyse Activity 2 SentenceStructureFunction Leadin g word Sentence 1 at the beginning of the whole sentence,beginning with “what” act as subject what Sentence 2 at the beginning of the whole sentence,

19、beginning with “how” act as subject how Sentence 3 at the beginning of the whole sentence,beginning with “whether” act as subject whethe r Sentence 4 at the end of the whole sentence,beginning with “that” act as subject that Sentence 5 at the beginning of the whole sentence,beginning with “what” act

20、 as subject what Activity 3 (2)It is well known that agriculture is the foundation of our country. Part Practice Activity 1 (1)WhatYuan Longping really cared about was not money or celebrity. (2)It surprised the whole worldthatYuan Longping had realised his dream of developing seawater rice. (3)Howh

21、e did the experiment was puzzling to others. (4)Whenthe sports meet will be held hasnt been decided yet. (5)It remains a mysterywherehe has gone for further study. Activity 2 (1)D;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。 (4)E;令我们所

22、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、生活方式更健康。 Activity 3 (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

23、)When the test will be given has not been decided. Activity 4 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.However,what she is unhappy about is the lower nutritiona

24、l 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 are considering.So they have made up their minds to move t

25、o the countryside,where they can live a green life. To her,it is obvious that they look beautiful on the outside. Part Prepare a presentation 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. Part 核心素养专练 1.Why2.that3.Which4.Whoever5.Whether 6.that7.How8.what9.that10.Who