(共30张PPT)
Unit 2 Great People Lesson 9
China's Most Famous“Farmer”
1. To understand the meaning and usage of the new words and expressions.
2. To be able to describe the life of Yuan Longping in English.
3. To learn the spirit of creating and never give up our dreams.
Learning objectives
Free Talk
Yuan Longping
China’s most famous “Farmer”
Father of Hybrid Rice
Read the lesson and write true (T) or false (F)．
1
1.Yuan Longping grew a new type of rice as a child.( )
2.He had an idea for hybrid rice in the 1960s.( )
3.He studied agriculture at university.( )
4.He was a scientist of many interests.( )
F
T
T
T
People call Yuan Longping the “Father of Hybrid Rice”. In 1973, together with other scientists, he succeeded in __________hybrid rice. The ____________ of this new product helped farmers _________ much more rice and made China a leader in rice production. Yuan Longping was a scientist of wide interests outside his work. He loves playing the ________, listening to music, reading and swimming.
Read the lesson again and fill in the blanks.
2
violin
developing
introduction
produce
1 .The plant allowed farmers to rest in its shade.
这种植物可以让农民们在它的荫凉里乘凉。
allow是动词，意思是“允许; 许可”, 后加名词、代词或动名词
eg: I'll never allow such behaviour.
我绝不会允许这样的行为。
Language Points
allow sb. to do sth. 允许某人做某事
eg：Our teacher allows us to ask questions.
老师允许我们问问题。
sb. be allowed to do sth. 某人被允许做某事
eg：Are we allowed to play catch here
我们可以在这里练习投球吗？
Smoking is not allowed in many public places.
吸烟在许多公共场合是不允许的。
2. In the 1960s, a few years after he finished his studies in agriculture at university, he came up with an idea for hybrid rice. 20世纪60年代，他在完成大学农业学科的学习后，产生了发明一种杂交水稻的想法。
in the 1960s 意思是“在20世纪60年代”。表示“多少世纪多少年代”，在年份后面加“s”或“'s”
eg： in the 1980s=in the 1980's 20世纪80年代
注意：不要丢掉the.
come up with意思是“想出; 提出”。
eg：He couldn't come up with an answer. 他想不出答案来。
[辨析] catch up with和come up with
come up with “想出；提出”，后加主意、办法、方法或计划等做宾语 The little boy came up with a new idea.那个小男孩想出了一个新主意。
catch up with “赶上；追上”，后常加人或交通工具做宾语 Harry up, or we can't catch the bus. 快点，否则赶不上公交车了。
3. Then he spent much of his time researching and developing new varieties.
然后，他花费大量的时间来研究和开发新品种。
spend v. 花费，其过去式，过去分词均为spent。
常用句式：
sb. spend(s) ＋ 时间/金钱＋(in)＋doing sth.
sb. spend(s) ＋ 时间/金钱＋on sth.
某人花费时间或金钱做某事
[辨析]不一样的“花”
sb.＋ pay(s) ＋ 金钱 ＋ for sth.表示“某人花......钱买某物”
sth. cost(s) sb.＋ 金钱 表示“某物花了某人......钱”
It takes(took) sb.＋时间＋ to do sth表示“做某事花费某人...时间。”
He _______ 20 yuan for the hamburger.
The hamburger ______ him 20 yuan.
It ______ him a lot of time to solve the problem.
pays
costs
takes
4. In 1973, together with other scientists, he succeeded in developing hybrid rice.
1973年，他和其他科学家一起成功地培育出杂交水稻。
In 1973 “在1973年” in+年, 表示“在......年”
together with “同……一起”, 连接两个并列主语时, 谓语和第一个主语保持人称和数的一致, 即“就远原则”
e.g. Mr. Green, together with his wife and children, has gone to China. 格林先生和他的妻子儿女一起去了中国。
developing adj. 发展中的
developed adj. 发达的; 已开发的
eg：develop a good habit 养成好习惯
develop super hybrid rice 培育超级杂交水稻
develop vi. 进展;发育;发展;生长;显影;逐渐形成;
development n. 发展
eg：developing country 发展中国家
developed country 发达国家
5.The introduction of this new product helped farmers produce much more rice and made China a leader in rice production.
这种新型水稻的推行使得中国水稻产量位居前列。
the introduction of ... ......的推行
[拓展] introduce v. “介绍” introduce...to... “把...介绍给...”
e.g. Could you introduce me to your friend
你能把我介绍给你的朋友吗？
[辨析] 各种各样的“产品”
produce 指农产品,不可数 We need some fresh produce.我们需要一些新鲜的农产品。
product 泛指产品,可数 This is our new product.这是我们的新产品。
production 指生产这一动作或过程,不可数。 Production has stopped since the war began. 自从战争爆发以来，生产就停了。
6. For this, he became known as the “Father of Hybrid Rice”。 为此，他成了著名的“杂交水稻之父”。
become/be known as意为“作为······而闻名”，后接表示职位、身份、别名等词
eg：Yao Ming is known as a basketball player.
姚明作为篮球运动员而闻名。
become/be known for意为“因为······而闻名”，后加形容人或物的特点、特色的词
eg：Jack is known for his movies.
杰克因他的电影而闻名。
be known to意为“为······所熟知”，后可加人也可以加动词不定式。
eg：His music is known to the young.
他的音乐为年轻人所熟知。
He was known to have invented many things.
=It was known that he had invented many things.
人们都知道他已经发明了很多东西。
Match and complete the sentences.
3
1.Einstein signed a letter
2.The boy became famous
3.The scientists are doing the final test
4.Mum often tells the boy a story
5.Cici wants to be a painter
they launch the rocket.
he goes to bed.
she finishes school.
he won that prize.
he passed away.
before
after
观察句子, 归纳“after”和“before”的用法
3
1.Einstein signed a letter before he passed away.
2.The boy became famous after he won that prize.
3.The scientists are doing the final test before they launch the rocket.
4.Mum often tells the boy a story before he goes to bed.
5.Cici wants to be a painter after she finishes school.
Match and complete the sentences.
before 意为“在……之前”, after 意为“在……之后”,它们互为反义词, 后加名词、代词、动名词
eg：before supper 晚饭之前 after supper 晚饭之后
Washing your hands carefully after arriving home.
到家后要仔细洗手。
Check it carefully before handing in your paper.
交卷前要认真检查。
[探究] “before”和“after”的用法
before 引导时间状语从句, 表示主句动作发生在从句动作之前。
eg：Einstein signed a letter before he passed away.
主句 从句
after 引导时间状语从句,表示主句动作发生在从句动作之后。
eg：The boy became famous after he won that prize.
主句 从句
主从句的位置： 从句既可以在主句前,也可以在主句后。从句在前时, 主从句之间必须用逗号隔开。
eg：Mum often tells the boy a story before he goes to bed.
Before he goes to bed, mum often tells the boy a story .
在男孩睡觉前, 妈妈经常给他讲故事。
主从句的时态：主句用一般现在时, 从句也用一般现在时;主句用过去时, 从句也用过去的某种时态;主句用将来时, 从句要用一般现在时, 即“主将从现”。
eg： She turned off the light before she left the office.
她离开办公室前就关了灯。
[拓展]引导时间状语从句的连词还有when, while, as, as soon as, until 等。
Retell the Text
When he was a child…
In the 1960s…came up with…since then…
In 1973…succeeded in…The introduction of…
In 1980,the technology for…was introduced to…
Dr. Yuan’s success with hybrid rice…
In his spare time, Dr. Yuan......
Work in groups. Can you think of an invention or a good way to make life better What is it Talk about it with your group members.
4
What did we learn
peanut
hybrid
variety
introduction
leader
production
produce
super
Father of Hybrid Rice
together with…
in the 1960s
come up with
fall behind
give up
Summary
根据句意及首字母完成句子。
1.Mum won’t let Simon go out unless he promises to be back b 10 o’clock tonight.
2.The little village is d quickly.
3.This new coat c me 200 yuan.
4. It t the girl three hours to finish her homework.
5.John is k_______ as the best singer in our school.
osts
akes
nown
eveloping
efore
1. Their parents don’t allow them ____ in the river because it’s really dangerous.
A. swim B. swimming
C. to swim D. swam
2.—It’s too noisy outside. I can’t fall asleep.
—Neither can I. We have to _____ new ways to solve the problem.
A. come up with B. end up with
C. make up with D. catch up with
单项选择
3. My grandfather likes to play chess ____ his spare time.
A.in B.on C.at D.for
4.My sister together with my parents ____ dumplings when I got home yesterday evening.
A. are making B. is making
C. was making D. were making
GOOD JOB
