Module 4 - Great Scientists
黑龙江省哈尔滨市 邱尚瑛
Teaching Aims 教学目标
Master the words and the phrases, learn how to talk about science and scientists.
掌握生词和短语并学会谈论科学与科学家。
2. Underasand the texts and express your ideas about science problem correctly.
正确理解本单元课文并且能用英语正确表达与科学有关的问题。
3. Learn to use the passive voice in different tenses correctly and master the usage of “ by + - ing”.
学会在不同时态中正确使用被动语态，掌握“by + - ing”的用法。
Important points 重点
Learn to communicate with the words and phrases in this unit.
学会用本单元所学词汇进行交流。
2. Master the vocabulary and the usage of the passive voice .
掌握词汇与被动语态的用法。
Difficult points 难点
1. The usage of the passive voice in different tenses.
在不同时态中正确使用被动语态的用法。
2. Talk about science and scientists and describe your ideas correctly.
能正确谈论科学与科学家，并能正确表述你的观点。
Teaching methods 教学方法
1. Multi-media teaching.
多媒体教学
2. Writing on the blackboard.
板书
3. Class activities: discussion in pairs and in class.
课堂活动：分组讨论
Teaching procedures 教学过程
Show the pictures about the text and ask the question.www-2-1-cnjy-com
展示与课文有关的图片并提问。
What do you think of the pictures
2. Work in pairs first, then ask some studengts to say something according to the pictures.21*cnjy*com
首先同桌相互问答，然后再请一些学生在全班做问答练习。
【参考答案】
1. Do you know who he is
He is Yuan Longping, who is the father of Hybrid Rice.
2. What dose Yuan Long-ping do
He experimented with different types of rice in 1960s. The results of his experiments were published in the journal of the Chinese Academy of Sciences in 1966. Since then, he continued to study rice hybrids.
3. What's the result of his discoveries
The result of his discoveries made the Chinese rice production rise by 47.5 percent in the 1990's.21cnjy.com
4. He has won many awards, hasn't he
Yes, he has. He has won many awards, National Science and Technology Progress Award, First national top science and Technology Award, World Food Prize, World outstanding Chinese Award and so on.
3. Vocabulary review 词汇复习
1) staple n. 主食
adj. 最基本的，主要的，最重要的
Rice is the staple food of more than half the world's population
稻米是全世界一半以上人口的主食。
We also eat a type of pasta as part of our staple diet. 21教育网
我们也把一种面食作为主食之一。
【扩展】
staple n. 主要产品；钉书钉；主要部份
vt. 用钉书钉钉住
Political reporting has become a staple of American journalism.
政治新闻已成为美国新闻报道的主要内容。
Staple some sheets of paper together into a book.
用订书器将几页纸装订成册。
2) producer n. 生产者，制造者；制片人
Today, it is the world's largest producer of rice.
今天，中国是世界上最大的水稻生产国。
He is the only host and the executive producer.
他是唯一的主持人和执行制片人。
China has been the worlds largest producer and consumer of rice.
中国一直是世界上最大的水稻生产国和消费国。
3) leading figure 主要人物，领军人物，领导人物
Famous expert of hybrid rice breeding, Yuan Long-Ping is the leading figure in rice-growing in the wold.
著名的杂交水稻专家袁隆平是全球水稻种植方面的领军人物。
4) bring up v. 提出；养育；谈到；呕出；教育；培养
brought up （过去式与过去分词）
【语境理解】
She brought up four children
她养大了四个孩子。
Don't bring up the past anymore.
从前的事儿不要再提了。
He was brought up in Harbin.
他是在哈尔滨长大的。
There's no need to bring up his past at this moment.21·cn·jy·com
此时此刻没有必要提及他的过去。
The greedy child brought up all he had eaten.
这个贪吃的孩子把吃下去的东西全部吐了出来。
He brought up his children in great strictness.
他教育孩子极严。
5) nickname n. 昵称；绰号；昵称
vt. 给……起绰号；称呼
She delighted in the nickname, the 'iron lady'.
她很喜欢“铁娘子”这个昵称。
The newspaper was once nicknamed The Thunderer.
这家报纸曾经被称为“怒吼者”。
6) agriculture n. 农业；农业生产
To develop agriculture is all important to the national economy and the people's livelihood.
发展农业是有关国计民生的大事。
Agriculture occupies an important place in the national economy.
农业在国民经济中占有重要地位。
7) cross n. 十字架，十字形饰物，杂交品种；十字路口
v. 杂交；交错而行；横渡
crossing species 杂交种
【语境理解】
crossing different species of rice plant
不同种类的水稻杂交
He crossed different species of rice plant, and a new plant was produced.
他用不同的水稻进行杂交，一种新的植物产生了。
Round her neck was a cross on a silver chain.
她脖子上戴着一条银项链，上面挂着个十字架。
He crossed to the drinks cabinet and poured a glass of wine.
他穿行来到酒柜旁，倒了一杯红酒。
In 1838 the first iron sailing vessel crossed the Atlantic.21·世纪*教育网
1838年，第一艘铁制帆船横渡大西洋。
They had personnel carriers blockading the cross streets. 【版权所有：21教育】
他用运兵车封锁了十字路口。
8）yield ( file: / / / E:\\Program%20Files\\NSE\\NSE-SH4\\Template\\Normal\\temp7.html ) v. 屈服，投降，生产，获利，放弃，退让，退位
n. 产量，产额，投资的收益，屈服，产品
【语境理解】
He may yield control.
他可能会放弃控制权。
Polluted water lessens crop yields.
受污染的水源会降低农作物产量。
This year's yield of wheat is higher than ever before.
今年小麦产量高于往年。
Cows yield milk.
奶牛产奶。
We will never yield to force.
我们决不会向暴力屈服。
When entering a trail or starting a descent, yield to other skiers.
进入滑雪道或开始下滑时，要给其他滑雪者让路。
9) breakthrough ( file: / / / E:\\Program%20Files\\NSE\\NSE-SH4\\Template\\Normal\\temp7.html ) n. 突破；穿透；重要技术成就
God willing, there will be a breakthrough.
如果一切顺利，将会取得突破性的进展。
This was the breakthrough.
这是一个重要技术成就。
He finally has a breakthrough in his creation. 【来源：21·世纪·教育·网】
他终于在创作上有了突破。
10）cash crop ( file: / / / E:\\Program%20Files\\NSE\\NSE-SH4\\Template\\Normal\\temp7.html ) n. 商品作物；经济作物
Bananas and citrus fruits are cash crops here.
香蕉和柑橘是这里的经济作物。
Main crops include rice, peanuts, soybeans, the main cash crops are tobacco and ginkgo, Tianqi.
主要农作物有水稻、花生、大豆，主要经济作物有黄烟、银杏、田七。
11) hybrid n. 杂种；杂交生成的生物体；混合物，混合词
adj. 混合的；杂种的
All these brightly coloured hybrids are so lovely in the garden.
花园里所有这些色彩鲜艳的杂交花真美丽。
China has been leading in the world in the research and utilization of hybrid rice technology.
我国杂交水稻技术的研究与应用在国际上居领先地位。
Step two
Reading 阅读
1. Pre-reading and work in pairs 同桌合作预读
Ask students to look at the questions before reading the text.【来源：21cnj*y.co*m】
1. Look at the title The Student Who Asked Questions, and guess what the passage is about
2. Who is the student
3. Why was he called “the student who asked questions” when he was in school
4. What do you know aboutYuan Long-ping
5. What did Yuan Longping do
6. What way did he think to produce rice more quickly
2. Fast reading 快速阅读
Ask students to read the text fast as possible as they can, and work in pairs to choose the best answer. Then answer the questions above.
3. Choose the best answer
Look at the screen, and choose the best answer according to the passage.
1. What does Yuan Long-ping do
A. He was a problem student when he was young.
B. He is a biology scientist.
C. He was a boy asking questions when he was young.
D. All of above.
2. Who is the leading figure in the rice-growing world
A. It is Yuan Longping who is the leading figure in the rice-growing world.
B. It is the questioned boy who became the leading figure in the rice-growing world later.
C. It is the problemed boy who became the leading figure in the rice-growing world later.
D. A and B.
3. What did Yuan Long-ping thought accordign to the third paragraph
A. He thought that the key to feeding people was to have more rice.
B. He thought that the key to feeding people was to produce rice more quickly.
C. He thought that there was only one way to cross different species of rice plant, and produce a new plant which could give a higher yield.
D. All of above.
4. Which of the following statements is true
A. The results of Yuan Long-ping’s experiments with different types of rice were published in China in 1960s.
B. The results of the questioned student’s experiments were published in China later.
C. 50,000 square kilometers of rice fields were converted to growing vegetables and other cash crops.
D. All of above.
5. Which of the following statements is in the last paragraph
A. Yuan Long-ping’s hybrid rice was exported to other countries.
B. The hybrid rice’s yield is much greater than the yield of other types of rice grown in Pakistan.
C. A and B.
D. In Philippines, rice is the second most important crop after wheat and will be grown in many parts of the country.
(C D D D C )
4. Ask and answer accordign to the passage. The answers to the questions above.
【参考答案】
1. Look at the title The Student Who Asked Questions, and guess what the passage is about
1. The passage is about Yuan Long-ping and his hybrid rice.
2. Who is the student
2. The student is Yuan Long-ping, of cause.
3. Why was he called “the student who asked questions” when he was in school
3. I think he was called “the student who asked questions” because he was a student with lots of questions.
4. What do you know aboutYuan Long-ping
4. Yuan Longping is the father of hybrid rice. He is a leading figure in the rice-growing world, his discoveries have brought in great profit. Therefore, he has won many awards in China and in the world.
5. What did Yuan Longping do
5. He experimented with different types of rice and he discovered a new type of rice. Because of his discoveries Chinese rice production rose by 47.5 percent in the 1990's.
6. What way did he think to produce rice more quickly
6. He thought that there was only one way to to produce rice more quickly - by crossing different species of rice plant, then he could produce a new plant which could give a higher yield than either of the original plants.
Intensive reading 精读
1. Reading
Let’s read the passage again and learn the passage carefully. Think over what’s the topic sentences of each paragraph.
2. Discussion 讨论
Look at the passage and discuss in pairs again, find the topic sentences and match the main idea with each paragraph. Then check the answers on screen.
【参考答案】
Para1: Yuan Longping is a leading figure in the rice-growing world.
Para2: As a boy, he was called “the student who asked questions”.
Para3: As a young teacher, he began experiments in crop breeding.
Para4: He discovered a special type of rice plant.www.21-cn-jy.com
Para5: His discoveries increased Chinese rice production.
Para6: The yield of the new hybrid rice is much greater than that of other types grown in Pakistan.
3. Read the passage carefully and decide whether the statement are true or false.
Work in pairs, then check the answers on screen.21世纪教育网版权所有
1 China produces more rice than any other country. 2·1·c·n·j·y
2 Yuan Longping asked a lot of questions at school. 21教育名师原创作品
3 Rice is also grown in many other Asian countries and African countries.
4 He developed a new kind of fast-growing rice.
5 The government helped him in his research.
6 The new rice replaced vegetables in 50 thousand square kilometers.
7 The new rice is now grown in other countries, such as Pakistan.
8 Yuan Longping is a leading figure in the rice-growing world.
(T T F T T F T T)
Step three
5. Language points 语言点
1）He thought that the key to feeding people was to have more rice and to produce it more quickly.
thought后由that引出的是宾语从句；
the key to sth. / doing sth. ……的关键，to 是“介词”，后面跟名词或者相当于名词的词（比如：动名词）。
类似的用法还有the answer to the question，这个问题的答案。
The key to success is to be ready from the start
成功的关键在于从一开始就要准备充分。
2) He though ... ---by crossing different species of rice plant, and then he could produce a new plant which could give a higher yield than either of the original plants.
by crossing ... 通过杂交的方式；
by + V-ing，意为“通过……，靠……，凭……”；
Switch it by pressing this button.
通过按下这个按钮开关。
Large powerful breed developed by crossing the bulldog and the mastiff.
由斗牛犬和獒犬杂交得到的大型健壮的品种。
... a new plant which could give ... which 引出定语从句修饰plan。
3) First Yuan Longping experimented with different types of rice.
experiment with... 用……做实验；
They experimented with new reagents and succeeded. 【出处：21教育名师】
他们用新试剂做了试验，获得了成功。
4) This was the breakthrough.
breakthrough，重大进展，突破
make a breakthrough 取得重大进展
a major breakthrough 重大的突破
He finally has a breakthrough in his creation.
他终于在创作上有了突破。
5) 50 kilometres of rice fields were converted to growing vegetables and other cash crops.
were converted to growing = were changed to grow
convert to / into sth：把……转变成，转变，改变
The subsidies are to enable farmers to convert to organic production methods.
补贴是为了让农民改用有机农业生产方法。
How much of the remittance do you want to convert into Renminbi yuan
你要把多少汇款换成人民币？
At what rate does the dollar convert into pounds
美元以什么汇率兑换成英镑？
6) Following this, Yuan Longping's rice was exported to other countries, such as...
Following this，现在分词作状语；通常现在分词（V-ing）形式表主动的、进行的动作；过去分词（-ed）表被动的、完成的动作。
Step four
The exercises
1. Finish the exercises in Activity 3 & 4.
Do the exercises individually, and check your answers with your partner before looking at the screen.2-1-c-n-j-y
让学生先独立完成练习然后与同桌交换答案。
2. Look at the screen and check the answers.
【参考答案】
Activity 3 Activity 4
1）crop 2）breakthrough 3）breed 4）support 5）feed 6）publish 7）producer 8）species 9）agriculture 1）B2）B3）A4）B5）B
3. Match the words and phrases on screen.
Look at the screen please and match the words and phrases. 21*cnjy*com
1) a scientist who specializes in chemistry A. genetics
2) someone with special training in biochemistry B. zoologist
3) the science of matter and energy and their interactions C. chemist
4) a specialist in the branch of biology dealing with animals D. physics
5) the branch of biology that studies heredity and variation in organisms
E. biochemist
7) a person skilled in mathematics F. botany
6) the branch of biology that studies plants G.mathematician
8) making an important discovery H. staple
9) necessary or important, especially regarding food or commodities
I. agriculture
10) a large-scale farming enterprise J. Breakthrough
4. Check the answers
Look at the possible answers on screen.
【参考答案】
1) a scientist who specializes in chemistry C. chemist
2) someone with special training in biochemistry E. biochemist
3) the science of matter and energy and their interactions D. physics
4) a specialist in the branch of biology dealing with animals B. zoologist
5) the branch of biology that studies heredity and variation in organisms
A. genetics
6) the branch of biology that studies plants F. botany
7) a person skilled in mathematics G.mathematician
8) making an important discovery J. breakthrough
9) necessary or important, especially regarding food or commodities
H. Staple
10) a large-scale farming enterprise I. agriculture
He was born and brought up...
When he was a boy, he was given the nickname...
Later he studied...
Then he began...
He discovered...
As a result of his discovery...
Homework
1. Review the words and expressions we learned today and finish the exercises.
2. Write a description about Yuan Longping (in 100 words).
Period Two
PAGE
8(共54张PPT)
黑龙江省哈尔滨市 邱尚瑛
Teaching aim
1. Master the words and expressions, and use them to communicate freely.
2. Improve reading ability.
1. Talk about science and scientists
2. The details of the passage.
I think you know something about Yuan Long-ping,
Can you say somethign about the pictures
What do you think of the pictures
1. Do you know who he is
What do you know about him
Look at the pictures and answer the questions
He is Yuan Longping, who is the father of Hybrid Rice.
2. What dose Yuan Long-ping do
He experimented with different types of rice in 1960s.
What do you know about him
Look at the pictures and answer the questions
Look at the pictures and answer the questions
The results of his experiments were published in the journal of the Chinese Academy of Sciences in 1966.
Since then, he continued to study rice hybrids.
2. What dose Yuan Long-ping do
The result of his discoveries made the Chinese rice
Look at the pictures and answer the questions
3. What's the result of his discoveries
production rise by 47.5 percent in the 1990's.
4. He has won many awards, hasn't he
Look at the pictures and answer the questions
Yes, he has. He has won many awards, National Science and Technology Progress Award, First national top science and Technology Award, World Food Prize, World outstanding Chinese Award and so on.
Vocabulary review
1. staple n. 主食
adj. 最基本的，主要的，最重要的
Rice is the staple food of more than half the world's population
稻米是全世界一半以上人口的主食。
We also eat a type of pasta as part of our staple diet.
我们也把一种面食作为主食之一。
Vocabulary review
【扩展】staple n. 主要部分；钉书钉；
vt. 用钉书钉钉住
Political reporting has become a staple of American journalism.
政治新闻已成为美国新闻报道的主要内容。
Staple some sheets of paper together into a book.
用订书器将几页纸装订成册。
2. producer n. 生产者，制造者；制片人
Today, it is the world's largest producer of rice. 今天，中国是世界上最大的水稻生产国。
He is the only host and the executive
producer.
他是唯一的主持人和执行制片人。
China has been the worlds largest producer and consumer of rice.
中国一直是世界上最大的水稻生产国和消费国。
Vocabulary review
3. leading figure
主要人物，领军人物，领导人物
Famous expert of hybrid rice breeding, Yuan Long-Ping is the leading figure in rice-growing in the wold.
著名的杂交水稻专家袁隆平是全球水稻种植方面的领军人物。
Vocabulary review
4. bring up v. 提出；养育；谈到；
呕出；教育；培养
brought up （过去式与过去分词）
【语境理解】
She brought up four children
她养大了四个孩子。
Don't bring up the past anymore.
从前的事儿不要再提了。
He was brought up in Harbin.
他是在哈尔滨长大的。
Vocabulary review
There's no need to bring up his past at this moment.
此时此刻没有必要提及他的过去。
The greedy child brought up all he had eaten.
这个贪吃的孩子把吃下去的东西全部吐了出来。
He brought up his children in great strictness. 他教育孩子极严。
Vocabulary review
5. nickname n. 昵称；绰号；昵称
vt. 给……起绰号；称呼
She delighted in the nickname, the 'iron lady'.
她很喜欢“铁娘子”这个昵称。
The newspaper was once nicknamed The Thunderer.
这家报纸曾经被称为“怒吼者”。
Vocabulary review
6. agriculture
n. 农业；农业生产
To develop agriculture is all important to the national economy and the people's livelihood.
发展农业是有关国计民生的大事。
Agriculture occupies an important place in the national economy.
农业在国民经济中占有重要地位。
Vocabulary review
7. cross n. 十字架/十字形饰物，杂交品种；十字路口 v. 杂交；交错而行；横渡
crossing species 杂交种
【语境理解】
crossing different species of rice plant
不同种类的水稻杂交
He crossed different species of rice plant, and a new plant was produced.
他用不同的水稻进行杂交，一种新的植物产生了。
Vocabulary review
7. cross n. 十字形饰物
v. 杂交；交错而行
Round her neck was a cross on a silver chain.
她脖子上戴着一条银项链，上面挂着个十字架。
He crossed to the drinks cabinet and poured a glass of wine.
他穿行来到酒柜旁，倒了一杯红酒。
Vocabulary review
7. cross n. 十字路口 ；十字形饰物
v. 交错而行；横渡
In 1838 the first iron sailing vessel crossed the Atlantic。
1838年，第一艘铁制帆船横渡大西洋。
They had personnel carriers blockading the cross streets.
他用运兵车封锁了十字路口。
Vocabulary review
8. yield v. 屈服，投降，生产，获利，
放弃，退让，退位
n. 产量，产额，投资的收益，
屈服，产品
【语境理解】
He may yield control.
他可能会放弃控制权。
Polluted water lessens crop yields.
受污染的水源会降低农作物产量。
Vocabulary review
8. This year's yield of wheat is higher than ever before. 今年小麦产量高于往年。
Cows yield milk. 奶牛产奶。
We will never yield to force.
我们决不会向暴力屈服。
When entering a trail or starting a descent, yield to other skiers.
进入滑雪道或开始下滑时，
要给其他滑雪者让路。
Vocabulary review
9. breakthrough n. 突破；穿透；
重要技术成就
God willing, there will be a breakthrough.
如果一切顺利，将会取得突破性的进展。
This was the breakthrough.
这是一个重要技术成就。
He finally has a breakthrough in his creation.
他终于在创作上有了突破。
Vocabulary review
10. cash crop n. 商品作物；经济作物
Bananas and citrus fruits are cash crops here.
香蕉和柑橘是这里的经济作物。
Main crops include rice, peanuts, soybeans, the main cash crops are tobacco and ginkgo, Tianqi.
主要农作物有水稻、花生、大豆，主要经济作物有黄烟、银杏、田七。
Vocabulary review
munication n. 交流；沟通；通讯
Culture plays a large part in non-verbal communication.
文化在非语言交流中起着很大的作用。
A communication will be opened between the two places.
两地间的通讯即将开通。
Telegraph communication was broken off.
电讯中断了。
Vocabulary review
11. hybrid n. 杂交生成的生物体；混合物
adj. 混合的；杂种的
All these brightly coloured hybrids are so lovely in the garden.
花园里所有这些色彩鲜艳的杂交花真美丽。
China has been leading in the world in the research and utilization of hybrid rice technology. 我国杂交水稻技术的研究与应用在国际上居领先地位。
Vocabulary review
Look at the questions before reading the text
1. Look at the title The Student Who Asked Questions, and guess what the passage is about
2. Who is the student
3. Why was he called “the student who asked questions” when he was in school
4. What do you know aboutYuan Long-ping
5. What did Yuan Longping do
6. What way did he think to produce rice more quickly
Discuss the questions in pairs while you are reading
A. He was a problem student when he was young.
B. He is a biology scientist.
C. He was a boy asking questions when he was young.
D. All of above.
Choose the best answer
1. What does Yuan Long-ping do
A. It is Yuan Longping who is the leading figure in the rice-growing world.
B. It is the questioned boy who became the leading figure in the rice-growing world later.
C. It is the problemed boy who became the leading figure in the rice-growing world later.
D. A and B.
Choose the best answer
2. Who is the leading figure in the rice-growing world
Choose the best answer
3. What did Yuan Long-ping thought accordign to the third paragraph
A. He thought that the key to feeding people was to have more rice.
B. He thought that the key to feeding people was to produce rice more quickly.
C. He thought that there was only one way to cross different species of rice plant, and produce a new plant which could give a higher yield.
D. All of above.
Choose the best answer
4. Which of the following statements is true
A. The results of Yuan Long-ping’s experiments with different types of rice were published in China in 1960s.
B. The results of the questioned student’s experiments were published in China later.
C. 50,000 square kilometers of rice fields were converted to growing vegetables and other cash crops. D. All of above.
A. Yuan Long-ping’s hybrid rice was exported to other countries.
B. The hybrid rice’s yield is much greater than the yield of other types of rice grown in Pakistan.
C. A and B.
D. In Philippines, rice is the second most important crop after wheat and will be grown in many parts of the country.
Choose the best answer
5. Which of the following statements is in the last paragraph
Ask and answer accordign to the passage.
1. Look at the title The Student Who Asked Questions, and guess what the passage is about
2. Who is the student
3. Why was he called “the student who asked questions” when he was in school
4. What do you know aboutYuan Long-ping
5. What did Yuan Longping do
6. What way did he think to produce rice more quickly
The answers to the questions above.
1. Look at the title The Student Who Asked Questions, and guess what the passage is about
2. Who is the student
Ask and answer accordign to the passage
The passage is about Yuan Long-ping and his hybrid rice.
The student is Yuan Long-ping, of cause.
3. Why was he called “the student who asked questions” when he was in school
4. What do you know aboutYuan Long-ping
I think he was called “the student who asked questions” because he was a student with lots of questions.
Yuan Longping is the father of hybrid rice. He is a leading figure in the rice-growing world, his discoveries have brought in great profit. Therefore, he has won many awards in China and in the world.
Ask and answer accordign to the passage
5. What did Yuan Longping do
He experimented with different types of rice and he discovered a new type of rice. Because of his discoveries Chinese rice production rose by 47.5 percent in the 1990's.
Ask and answer accordign to the passage
6. What way did he think to produce rice more quickly
He thought that there was only one way to to produce rice more quickly - by crossing different species of rice plant, then he could produce a new plant which could give a higher yield than either of the original plants.
Ask and answer accordign to the passage
Let’s read the passage again and learn the passage carefully.
The Student Who Asked Questions
He discovered a special type of rice plant.
As a young teacher, he began experiments in crop breeding.
Yuan Longping is a leading figure in the rice-growing world.
As a boy, he was called “the student who asked questions”.
The yield of the new hybrid rice is much greater than that of other types grown in Pakistan.
His discoveries increased Chinese rice production.
Para 5
Para 6
Para 4
Para 1
Para 2
Para 3
1. China produces more rice than any other country.
2. Yuan Longping asked a lot of questions at school.
3. Rice is also grown in many other Asian countries and African countries.
4. He developed a new kind of fast-growing rice.
5.The government helped him in his research.
Read the following sentences and decide T or F
T
T
F
T
T
6. The new rice replaced vegetables in 50 thousand square kilometers.
7. The new rice is now grown in other countries, such as Pakistan.
8. Yuan Longping is a leading figure in the rice-growing world.
Read the following sentences and decide T or F
F
T
T
Language points
1. He thought that the key to feeding people was to have more rice and to produce it more quickly. that引出的是宾语从句；
the key to sth. / doing sth. ……的关键，to 是“介词”，后面跟名词或者相当于名词的词。
类似的用法还有:
the answer to the question，这个问题的答案。
The key to success is to be ready from the start
成功的关键在于从一开始就要准备充分。
2. He though ... ---by crossing different species of rice plant, ... a new plant which could give...
by crossing ... 通过杂交的方式；
by + V-ing，意为“通过……，靠……，凭……”
Switch it by pressing this button.
通过按下这个按钮开关。
Large powerful breed developed by crossing the bulldog and the mastiff.
由斗牛犬和獒犬杂交得到的大型健壮的品种。
... a new plant which could give ... which 引出定语从句修饰plan。
Language points
3. First Yuan Longping experimented with different types of rice.
experiment with...
用……做实验；
They experimented with new reagents and succeeded.
他们用新试剂做了试验，
获得了成功。
Language points
4. This was the breakthrough.
breakthrough 重大进展，突破
make a breakthrough 取得重大进展
a major breakthrough 重大的突破
He finally has a breakthrough in his creation.
他终于在创作上有了突破。
5. 50 kilometres of rice fields were converted to growing vegetables and other cash crops.
were converted to growing
= were changed to grow
convert to / into sth：
把……转变成，转变，改变
The subsidies are to enable farmers to convert to organic production methods.
补贴是为了让农民改用有机农业生产方法。
Language points
5. were converted to growing
=were changed to grow
convert to / into sth：
把……转变成，转变，改变
How much of the remittance do you want to convert into Renminbi yuan
你要把多少汇款换成人民币？
At what rate does the dollar convert into pounds
美元以什么汇率兑换成英镑？
Language points
Language points
6. Following this, Yuan Longping's rice was exported to other countries,
such as...
Following this 现在分词作状语；
现在分词（V-ing）
表主动的、进行的动作；
过去分词（-ed）
表被动的、完成的动作。
Activity 3
crop
breakthrough
breed
support
feed
publish
producer
species
agriculture
Activity 4
B
B
A
B
B
Finish the exercises in Activity 3 & 4.
1. a scientist who specializes in chemistry
2. someone with special training in biochemistry
3. the science of matter and energy and their interactions
4. a specialist in the branch of biology dealing with animals
5. the branch of biology that studies heredity and variation in organisms
E. biochemist
A. genetics
B. zoologist
C. chemist
D. physics
6. a person skilled in mathematics
7. the branch of biology that studies plants
8. making an important discovery
9. necessary or important, especially regarding food or commodities
10. a large-scale farming enterprises
J. Breakthrough
F. botany
G.mathematician
H. staple
I. agriculture
the reference as the following
Yuan Longping is...
He was born and brought up...
When he was a boy, he was given the nickname...
Later he studied...
Then he began...
He discovered...
As a result of his discovery...
Summarize the passage in speaking and writing.
1. Review the words and expressions we learned today and finish the exercises.
2. Write a description about Yuan Longping
(in 100 words).
Let’s end of this part.
Thank you !
