人教版 (2019)选择性必修 第一册Unit 5 Working the Land多媒体教学课件ppt

这是一份人教版 (2019)选择性必修 第一册Unit 5 Working the Land多媒体教学课件ppt，共45页。PPT课件主要包含了Review ，Activity 1，用it作形式主语 ，Summary ，Activity 3，Practice，pesticides，Activity 4等内容，欢迎下载使用。

Yuan Lngping is knwn as the “father f hybrid rice”;has received numerus awards;makes large dnatins t supprt agricultural research;is still full f visin.
Lk at the cmplex sentences and state the functins f the nun clauses italicised.
What Yuan Lngping really cared abut was nt mney r celebrity.That Yuan Lngping had realised his dream f seawater rice surprised the whle wrld.
That Yuan Lngping had realised his dream f seawater rice surprised the whle wrld.
It surprised the whle wrld that Yuan Lngping had realised his dream f develping seawater rice.
Para 2: Hwever, what cncerned him mst was that farmers ften had pr harvests and smetimes even had a serius shrtage f fd t eat.
Para 3: Hw this culd be dne was a challenging questin at that time.
Para 3: Hwever, whether it was pssible t develp a hybrid f self-pllinating plants such as rice was a matter f great debate.
Para 5: Tday, it is estimated that abut 60 percent f dmestic rice cnsumptin in China is cmprised f crps generated frm Yuan’s hybrid strains, and…
Para 6: What impresses peple mst abut Yuan Lngping is his nging ability t fulfill his dreams.
1. D; When these wheat farmers will jin this pilt experiment remains an unanswered questin.
1. D; 这些小麦农户什么时候会加入预实验仍然不得而知。
2. C; Hw we can find a suitable slutin t prduce sufficient fd while keeping the envirnment safe is an imprtant tpic fr us t research.
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; What wrries many peple is that these chemicals may even cause cancer.
3. A; 令很多人所担心的是，这些化学制品甚至可能导致癌症。
4. E; It amazed all f us that these vegetables can even be planted withut any sil thrugh this new technlgy.
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。
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。
5. B; That the lifestyle is slwer and healthier is the reasn why sme peple prefer t live in the cuntry rather than in the city.
the wrd rder f the subject clauses;hw the subjects are intrduced differently.
Observe the sentences in Activity 1 and Activity 2, and pay attentin t
the wrd rder f the subject clauses;主语从句中使用陈述语序。 What Yuan Lngping really cared abut was nt mney r celebrity. Hw this culd be dne was a challenging questin at that time.
hw the subjects are intrduced differently.
由连接代词what引导;由连词that、whether引导；由连接副词when、hw、where、why等引导 。
What impresses peple mst abut Yuan Lngping is his nging ability t fulfill his dreams.What wrries many peple is that these chemicals may even cause cancer.
连接代词what，在主语从句中表示的意思为：……的（事/东西）。
连词that仅引导主语从句，通常无中文释义；whether(注意不能用if)在主语从句中表示的意思为：是否。
That Yuan Lngping had realised his dream f seawater rice surprised the whle wrld.Whether it was pssible t develp a hybrid f self-pllinating plants such as rice was a matter f great debate.
When these wheat farmers will jin this pilt experiment remains an unanswered questin. Hw this culd be dne was a challenging questin at that time.
连接副词when、hw、where、why，在主语从句中，表示的意思分别为：何时、怎样、何地、为什么。
Read the passage and underline all the subject clauses.
n. （食物或饮料的）味道
Think abut whether the sentences with subject clauses can be paraphrased.
Hwever, what she is unhappy abut is the lwer nutritinal value and reduced flavr. She is unhappy abut the lwer nutritinal value and reduced flavr.
Hwever, what she is unhappy abut is the lwer nutritinal value and reduced flavr. what引导主语从句，起到了强调作用。更能突出语篇所表达出的grandma对绿色农业的追求，体现语篇主题。
Example: I’d like yu t find ut hw new technlgies can increase grape prductin in Binchuan cunty. What I’d like yu t find ut is hw new technlgies can increase grape prductin in Binchuan cunty.
We wanted t knw where he had lst the laptp. Where ___________________ was what we wanted t knw.
he had lst the laptp
The way in which he did the experiment was puzzling t ther peple. Hw __________________ was puzzling t ther peple.
he did the experiment
Rewrite the sentences using subject clauses. (Page 90, Activity 1, Wrkbk)
D they use t many chemical pesticides? I wrry abut this mst. Whether __________________________ _________ is what I wrry abut mst.
they use t many chemical
That ________________________________ ________________________ makes peple happy.
Peple are happy t see that the living cnditins and incme f the farmers have imprved a lt.
the living cnditins and incme f the farmers have imprved a lt
We have nt decided n the date fr the sprts meet yet. When ______________________ has nt been decided n yet.
the sprts meet will be held
What qualities d yu think make a persn like Yuan Lngping s successful? Think abut it and prepare a presentatin.
The fllwing pints and expressins may help yu.
Pssible answer:What impresses me mst is that Yuan Lngping has succeeded in helping t feed s many peple. It is imprtant that he never gave up, despite many difficulties. That he succeeded in realising his dream is what makes him great.
复合句中作主语的从句叫主语从句。引导主语从句的词有连词that、whether（不能用if）；连接代词what、 wh、which; 连接副词when、where、hw、why等。主语从句要用陈述语序。为了避免主语显得过长，尤其是陈述句作主语从句时，可以用it作句子的形式主语，把主语从句移到句尾。