Unit 5 Reading要点讲解ppt课件 1 -（2019）新人教版高中英语选择性必修第一册.pptx

1、Unit 5 Working the Land After graduating in 1953, he worked as a researcher. Yuan Longping realised that larger fields were not the solution. Instead, farmers needed to boost yields in the fields they had. How this could be done was a challenging question at the time. Yuan was convinced that the ans

2、wer could be found in the creation of hybrid rice. A hybrid is a cross between two or more varieties of a species. One characteristic of hybrids is that they usually attain a higher yield than conventional crops. Para.3 宾语从句宾语从句 boost boost 2. It will boost your confidence and increase your intellig

3、ence. 1. This new technique will boost food production. 词性词性1vt. 使增长；使兴旺 例句感知例句感知 词性词性2n. 增长；提高；激励 3. This will be a great boost to the economy. The After graduating in 1953, he worked as a researcher. Yuan Longping realised that larger fields were not the solution. Instead, farmers needed to boost

4、yields in the fields they had. How this could be done was a challenging question at the time. Yuan was convinced that the answer could be found in the creation of hybrid rice. A hybrid is a cross between two or more varieties of a species. One characteristic of hybrids is that they usually attain a

5、higher yield than conventional crops. Para.3 定语从句定语从句 主语从句主语从句 convince 2. He convinced me that he was right. 1. I try to convince him of the reality of the danger. 含义含义vt. 使相信；使确信；说服 例句感知例句感知 3. I will help you convince your father to leave. convince的形容词： convincing “使人信服的使人信服的” ，主要修饰物。 convinced “

6、信服的，相信的信服的，相信的” ，主要修饰人。 2. He was convinced that I was part of the problem. 3. I am convinced of his honesty. 1. I am expecting a convincing response from you. The After graduating in 1953, he worked as a researcher. Yuan Longping realised that larger fields were not the solution. Instead, farmers n

7、eeded to boost yields in the fields they had. How this could be done was a challenging question at the time. Yuan was convinced that the answer could be found in the creation of hybrid rice. A hybrid is a cross between two or more varieties of a species. One characteristic of hybrids is that they us

8、ually attain a higher yield than conventional crops. Para.3 表语从句表语从句 1. (read) classic books can boost your learning experience. 解析：句意：阅读经典书籍可以增加你的学习经历。boost为 动词 “使增长；使兴旺”，主语用动名词。 语法填空。语法填空。 Reading 考点追击考点追击 2. He convinced me his truthfulness to me. 解析：convince sb. of表示“使某人确信/明白”。 of Unit 5 Working

9、 the Land However, whether it was possible to develop a hybrid of self-pollinating plants such as rice was a matter of great debate. The common assumption then was that it could not be done. Through intense effort, Yuan overcame enormous technical difficulties to develop the first hybrid rice that c

10、ould be used for farming in 1974. This hybrid enabled farmers to expand their output greatly. Para.3 主语从句主语从句 a matter of 2. Its a matter of time before I find out the truth. 1. I cant say which wine is best. Its a matter of personal taste. 例句感知例句感知 含义含义是个问题；事关；取决于 3. It was a matter of life and dea

11、th for them. However, whether it was possible to develop a hybrid of self-pollinating plants such as rice was a matter of great debate. The common assumption then was that it could not be done. Through intense effort, Yuan overcame enormous technical difficulties to develop the first hybrid rice tha

12、t could be used for farming in 1974. This hybrid enabled farmers to expand their output greatly. Para.3 assumption assumption 2. The new governors assumption of office will take place next week. 1. The theory is based on a series of wrong assumptions. 含义含义 n. 假定；设定； (责任的)承担；(权利的)获得 例句感知例句感知 动词动词assu

13、me 假定；设想；采取；呈现 3. Lets assume it to be true. However, whether it was possible to develop a hybrid of self-pollinating plants such as rice was a matter of great debate. The common assumption then was that it could not be done. Through intense effort, Yuan overcame enormous technical difficulties to d

14、evelop the first hybrid rice that could be used for farming in 1974. This hybrid enabled farmers to expand their output greatly. Para.3 表语从句表语从句 overcome overcome 2. Finally she overcame these fears. 1. There will be no difficulty in the world that they cannot overcome. 含义含义vt. 克服；解决；战胜 例句感知例句感知 3.

15、She has overcome similar obstacles before. 过去式: overcame 过去分词: overcome 现在分词: overcoming However, whether it was possible to develop a hybrid of self-pollinating plants such as rice was a matter of great debate. The common assumption then was that it could not be done. Through intense effort, Yuan o

16、vercame enormous technical difficulties to develop the first hybrid rice that could be used for farming in 1974. This hybrid enabled farmers to expand their output greatly. Para.3 定语从句定语从句 expand expand 2. He is thinking of expanding his business. 1. In ten years the citys population expanded by 12%

17、. 含义含义1vt.&vi. 扩大；增加 例句感知例句感知 含义含义2vt. 扩展；发展(业务) 3. The purpose of education should be to expand the minds of children. 1. Its entirely matter of preference. 解析：句意：这完全是个见仁见智的问题。a matter of“是 个的问题；事关”。 语法填空。语法填空。 a 考点追击考点追击 2. I become more confident in (overcome) difficulties. 解析：介词后面加动名词，overcome的动名词形式为overcoming。 overcoming Bye-bye!