高中英语必修四第四单元Introduciton and__ Reading (1)

5. earn a living谋生，维持生活： Tom could hardly earn a living. 汤姆难于维持生计。 He earned a living by teaching. 他以教书为生。 earn a living也可作earn one’s living, 类似短语还有gain a living/get a living/ make a living/earn one’s keep/earn one’s bread。
1. What did his discoveries result in? Chinese rice production rose by 47.5%. 2. Where was his rice exported to? Pakistan, the Philippines and so on. 3. Why were the rice fields converted to growing vegetables and other cash crops? It is no need to plant so many rice because of the high production.
Today, we are going to learn something about one of the most important scientists --- Yuan Longping. What do you know about him?
Yuan Longping
leading adj. 主要的
Do you know who are they?
Qian Xuesen
Isaac Newton
Albert Einstein
Marie Curie
Archimedes (阿基米德)
Thomas Edison
Match the words and definitions.
biochemistry biology botany chemistry genetics physics zoology 1. the study of animals 2. the study of plants 3. the study of all living things
Work in pairs. Write some facts about a famous scientist. Example: Newtown was born in
Fra Baidu bibliotek
England in the 17th century. He discovered the laws of gravity.
2. As a boy he was educated in schools and was given the nickname, ”the student who asks question”. 被动语态：助动词be+及物动词的过去分词 Thousands of people speak English. English is spoken by thousands of people.
Reading comprehension 2
1. Which country is the world’s largest rice producer? China. 2. Where is rice grown in the world? Many Asian Countries and some European countries. 3. Who is the leading figure in the ricegrowing world? Yuan Longping.
To get detailed information
Reading comprehension 1
(1) China produces more rice than any
other country. T (2) Yuan Longping asked a lot of questions at school. T (3) He developed a new kind of fastgrowing rice. T
To solve difficult points
1. rice-growing 复合形容词，种植水稻的 n. +现在分词 (与所描述的人或事物之 间是逻辑上的主动关系) an English-speaking country a gold-mining group a paper-making factory peace-loving peoples
(4) The government helped him in his research. T
(5) The new rice replaced vegetables in
50 thousand square kilometres.
F
(6) The new rice is now grown in other countries, such as Pakistan. T
as a result of & as a result
The plate moved toward the west. As a result, earthquake broke out.
As a result of the movement of the plate, earthquake broke out.
zoology botany biology
4. the study of physical objects and natural forces physics 5. the study of chemical processes in living things biochemistry 6. the study of the structure of substances and how they react with each other chemistry 7. the study of inherited characteristics in living things genetics
bring up 培育；养育
Expression s
as a result of 由于……的结果
cash crop 经济作物
To get general ideas
What’s the main idea of the passage? A. Yuan Longping is a leading figure in the rice-growing world B. As a boy, Yuan Longping was called” the student who asked questions”. C. Yuan Longping discovered a new type of rice. D. Yuan Longping’s discoveries has brought in great profit.
1. What special type of rice plant did he search for? A male and sterile rice plant. 2. What was the breakthrough in 1970? A naturally sterile male rice plant was discovered. 3. Who supported his research? Researchers from all over China and the government.
figure n. 人物 educate vt. 教育 nickname n. 绰号 agriculture n. 农业 breeding n. 培育 species n. （动物或植物的）种
yield n. 产量
original
publish
adj. 原来的；最初的
vt. 出版
sterile
breakthrough
1. What is the most important crop in Pakistan? Wheat. 2. What’s the feature of the new hybrid rice? Its yield is much greater than that of other types of rice grown in Pakistan.
1. Where was Yuan Longping born and brought up? China. 2. What nickname was he given?
The student who asks questions.
1. What did Yuan Longping study in college? Agriculture. 2. According to him, what was the key to feeding people? To have more rice and produce it more quickly. 3. What is the only way to do it? To cross different species of rice plant.
被动语态详解见M4P2 Grammar
3. He thought there was only one way to do this --- by crossing different species of rice plant. by+v-ing形式 通过…… (表示某种方式) 你可以通过尽可能多的练习来提高口语。 You can improve your spoken English by practising as often as possible. 他通过努力通过了考试。 He passed the exam by _______ hard _ working _____.
4. As a result of Yuan Longping’s discoveries Chinese rice production rose by 47.5 percent in the 1990’s. 由于袁隆平的发现，中国的水稻产量在 20世纪90年代增长了47.5%。 as a result of 由于 由于交通堵塞，他上学迟到了。 He was late as a result of the traffic jam.
adj. 不结果实的
n. 突破
support
production
vt. 支持
n. 产量
convert
export
vt. 改变；转换
vt. 出口
hybrid
agricultural replace
n. 杂交种
adj. 农业的 vt. 取代；以……代替
quantity
quality
n. 数量
n. 质量
From an early age he ______________ was interested in plants. He studied agriculture in college and as a young teacher he began in crop breeding experiments ______________. He thought the key to that _________ feeding people was to have produce more rice and to _______ it more quickly. He thought there was only one way to do this—by crossing different species of rice _______ plant, and then he could produce a new yield plant which could give a higher _____ than either of the _______ plants. original