Unit 5 Discover useful structures 预习ppt课件 -（2019）新人教版高中英语选择性必修第一册.pptx

1、Unit 5 Working the land Discover useful structures 预习课件预习课件 leisure n. 闲暇；休闲 教材原句教材原句 One might think he would retire to life of leisure. 要点必记要点必记 leisure time 业余时间 at leisure 从容地；闲着地 leisure industry 娱乐产业； leisure center 休闲中心；体育活动中心 leisure area 休闲区，空闲地 leisure for 有空做某事 核心词汇核心词汇 generate vt. 产生；引起

2、 教材原句教材原句 It is estimated that about 60 percent of domestic rice consumption in China is comprised of crops generated from Yuans hybrid strains. 要点必记要点必记 generate electricity 发电 generate profit 产生利润 generate strategy 制定策略 reality n. 现实；事实 教材原句教材原句 His latest vision “seawater rice” has also become a

3、reality. 要点必记要点必记 in reality 实际上；事实上 virtual reality 虚拟现实 social reality 社会现实 reality show 真人秀 sense of reality 真实感 extension n. 扩大；扩建部分 教材原句教材原句 That were intended to one day become an extension of London Underground. 要点必记要点必记 vt. extend 延伸；扩大；推广；伸出；给予；使竭尽全力 adj. extensive 广泛的；大量的 extended 延伸的；扩大的；

4、长期的 extendable 可延长的；可展开的；可扩张的 adv. extensively 广阔地；广大地 n. extensiveness 延伸；大范围 主语从句主语从句 一、概念与类型一、概念与类型 主语从句在复合句中作主句的主语。 例如: 1. That she was chosen made us very happy. 她当选了使我们很高兴。 2. What caused the accident is a complete mystery. 是什么导致了这次事故还完全是一个谜。 3. Whether she will come or not is still a question

5、. 她是否来还是一个问题。 核心句式：核心句式： 为了使句子结构平衡为了使句子结构平衡，避免避免“头重脚轻头重脚轻”，常用常用it作形式主语作形式主语，而把从句放在后面而把从句放在后面。 例如: 1. It is a pity that she has made such a mistake. 她犯了这样一个错误，真是遗憾。 2. It depends on the climate whether they are going shopping today. 他们是否今天去购物还得看天气。 Unit 5 Working the land Discover useful structures 1

6、Learn the use of subject clause Words: comprise; generate; leisure; soil; celebrity; grain; vision; reality; urban 2 Phrases: be comprised of; 3 Goals Look and discuss Compare the following sentences and find the subject of them. It is important for us. What he says is important for us. Lead in Lear

7、n 1. Look at the complex sentences below and state the functions of the noun clause italicised. Then find similar complex sentences from the text. What Yuan Longping really cared about was not money or celebrity. That Yuan Longping had realised his dream of seawater rice surprised the whole world. I

8、t surprised the whole world that Yuan Longping had realised his dream of developing seawater rice. They are used as the subject of the whole sentence. Learn 2. Match the sentence parts, and then translate the completed sentences into Chinese. Pay attention to how the subjects are introduced differen

9、tly. A What worries many people B That the lifestyle 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 _remains an unanswered question. 2

10、_is an important 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. Learn A E B C D Learn Read the pa

11、ssage and underline all the subject clauses. Then in pairs, 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. That they look beautiful on the outside is o

12、bvious. However, 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

13、thing they are considering. So they have made up their minds to move to the countryside, where they can live a green life. That they look beautiful on the outside is obvious. =it is obvious that they look beautiful on the outside. how they are going to spend their retirement is an important decision

14、 for them. =it is an important decision for them how they are going to spend their retirement. Whether they can live a healthy life is the first thing they are considering. =it is the first thing they are considering whether they can live a healthy life. What qualities do you think make a person lik

15、e Yuan Longping so successful? Work in groups. Have a discussion and prepare a presentation. The following points and expressions may help you. 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. Le

16、arn his/her determination to tackle the crisis of. his/her intense effort to overcome . his/her dream to develop . his/her love and care for. he/she succeeded in he/she never gave up he/she is devoted to. Learn Summary PhrasesWords Phrases: be comprised of; Words: comprise; generate; leisure; soil; celebrity; grain; vision; reality; urban 预习 Unit 5-Explore the world hunger problem.3 1 Recite new words and phrases. 2 Share what you know about hybrid rice with your partner using subject clauses. Bye-bye!