新人教版必修4 Unit 2 Working the land知识点课件(47张ppt）

(共47张PPT)
Unit 2 Working the land
课文经典回顾
重点词汇讲练
写作句型仿写
词句基础过关
1. _________ when heated 遇热则膨胀
2. _________ against all difficulties 同一
切困境作斗争
3. _________ the wage gap 缩小工资差距
4. _________ quickly 迅速传开
5. __________ the importance of these 强
调这些的重要性
underline/stress
expand
struggle
reduce
circulate
6. much to my ________ 很抱歉
7. cause a good deal of __________引起了不
少闲话
8. do a lot of damage to the ________严重毁
坏了农作物
9. in the past ________在过去十年里
10. brave deeds in the _______在那场战斗中
的英勇事迹
regret
comment
crops
decade
battle
11. the average ________ of the factory 工厂的
平均产量

12. increase ___________ levels 增加生产水平

13. want greater political __________想要更多
的政治自由

14. one chief ________ of China 中国的主要输
出品之一
export
output
production
freedom
1. skim vt. 浏览；略读
2. soil n. 害虫；害兽；害鸟
3. personality n. 性格；个性；人格
4. producer n. 土壤
5. grain n. 谷物；粮食；颗粒
6. root n. 生产者；制片人
7. nutrition n. 营养;滋养；食物
8. pest n. 根；根源
9. bacteria n. (bacterium的复数形式)细菌
10. mineral n. 工作；职业；占领
11. occupation n. 矿物；矿石
12. summary n.(常用pl. statistics)数据; 统计资料
13. statistic n. 总结；摘要；概要
14. super adj. 有机的；器官的；组织的
15. sunburnt adj. 工业的；产业的
16. therefore adj. 晒黑的
17. organic adj. 特级的；超级的
18. industrial adv. 因此；所以；因而
1. The ___________ (disturb) news made us sad.
修饰物， 表示“令人不安的”， 用disturbing。


2. Like many ___________(discover)，atomic power can be used for good or evil.
作介词的宾语， 用名词， 由many修饰， 故用复数形式。
disturbing
discoveries
3. The medicine ___________(chemical) affects your physiology.
修饰谓语用副词形式。


4. Asked his ___________(nation)， he said British.
由he said British可知是问国籍, 用nationality。
chemically
nationality
5. The government has an interest in importing scientific ___________ (equip).
形容词修饰名词。


6. The question is so hard， and we’re getting __________ (confuse).
修饰主语we，表示“感到迷惑的”，用confused。
equipment
confused
_______________ 对……感到满意

2. _________the protection of the environment 关注环保

3. ______________ a successful business 创办一家成功的企业

4. _____the world ____ hunger 消除世界饥饿
of
be satisfied/content/pleased with
focus on
build up/set up
rid
5. _____________ die than give in 宁死不屈

6. ___________________________________
his research 由于他的研究

7. struggle _____ a living 为了生计而努力

8. hunger _____ his love 渴望得到他的爱
for
would rather
thanks to/because of/due to/owing to
for
9. ________ cancer 导致癌症


10. ______ soil __________ chemicals 使土壤不
受化学物质毒害

11. equip our children ______ a good education
使孩子们受到良好的教育

12. Don’t confuse Australia ______ Austria. 别
把澳大利亚和奥地利混淆了。
with
lead to
keep
free from
with
1. __________he is one of China’s most famous scientists, Yuan Longping considers himself a farmer, for he works the land to do his research. 尽管袁隆平是中国最著名的科学家之一，但他仍然认为自己是农民，因为他在田间耕作，进行科学研究。
Although
2. This special strain of rice makes ___ possible to produce one-third more of the crop in the same fields. 这种特殊的稻种使得同样的田地多收获了三分之一的产量。

3. ____ their credit the four countries do work together ____some areas… 值得赞扬的是，这四个国家的确在一些方面共同合作……
it
To
in
4. _______ (use) his hybrid rice framers are producing harvests twice _____ large as before.用他的杂交水稻种子，农民种出比以前多一倍的粮食。

5. Dr Yuan Longping grows what _________ (call) super hybrid rice. 袁博士种植的是被称
为“超级杂交水稻”的稻种。
is called
Using
as
Dr Yuan Longping was a pioneer of agriculture in China. He graduated from Southwest Agriculture College in 1953. 1 ____ then he has devoted his life finding ways to grow 2 _______(much) rice. Now the rice farmers 3 _______________(produce) harvests twice as large as before by 4 _______(use) this kind of rice. But he was not 5 ________(satisfy) with his work.
Since
more
are producing
using
satisfied
Although now he leads a rich life, he still insists on his work 6 ___________(develop) his rice. I think his work is really important to the world. Because of his hard work, the production of food 7 ___________________(improve). And
8 _____ problem of 9 ________ (hungry) can be solved. Thanks to Yuan Longping’s great work, millions of people can benefit 10 ________his extraordinary work.
from
to develop
has been improved
the
hunger
Although he is one of China’s most famous scientists, but Yuan Longping considers himself

a farmer, for he work the land to do his research.

Indeed, his sunburnt face and arms and his slim, strong body are just like those of millions of Chinese farmer, for whom he has struggled the

past five decades.
或
Dr Yuan Longping grows that is called super

hybrid rices. In 1974, he became a first

agricultural pioneer in the world to grow rice that has a highly output. This special strain of

rice makes it possible to product one-third more

of the crop in the same fields. Now more than 60% of the rice produced in China each year is of this hybrid strain.
1. 去掉but或改为yet 在英语中，although/ though不与but连用。
2. work→ works 主语he是第三人称单数。
3. farmer→ farmers 由millions of可知farmer应该用复数形式。
4. 在struggled后加for 因for the past five decades意为“过去50年来”，常与完成时连用。
5. that→ what 从句中缺少主语，故应由what来引导。
6. rices→ rice 因rice是不可数名词，没有复数形式。
7. a→ the 序数词前应该用定冠词the。
8. highly→ high 修饰名词output应该用形容词作定语。
9. product→ produce 因make it possible to do sth为固定搭配，故应把product改为动词形式。
10. of→ from 表示“来自于，出自”，用from。
struggle for为……斗争
struggle against同……作斗争
struggle to one’s feet挣扎着站起来
1. struggle vt. & vi. 斗争；拼搏；努力
⑴ She struggled _____the independence of
her country all her life.

⑵ We all struggle ________ the pollution of
the environment.

⑶ The old man struggled ____ his feet，
walking out of the room.
用恰当的介词填空。
to
for
against
regret (doing/having done) sth 后悔(做了)某事
I regret to say/inform/tell… 我很遗憾地说/通知/告诉……
to one’s regret 令人感到遗憾的是
with great (deep) regret 非常遗憾地
2. regret vt. 惋惜；后悔；遗憾
n. 遗憾；抱歉；懊悔
regret后面所接非谓语形式不一样, 表达意
思也不一样。类似词语还有remember、forget、stop、try、mean、can’t help、go on等。
(1) I regret __________(inform) you that your contract will not be renewed.

(2) Jerry did not regret _________________ (give) the comment but felt that he could have expressed it differently.
giving/having given
to inform
rid oneself of sb /sth 摆脱；从……中解脱
be／get rid of摆脱；除掉
3. rid…of 免除；清除；摆脱
⑴ They rid the house ____ old furniture.

⑵ Paul finally rid _______________(摆脱
了债务).

⑶ We must ___________(处理掉) these old newspapers.
get rid of
of
himself of debt
would rather not do sth宁愿不做某事
would rather sb did sth宁愿某人做某事
would rather do A than do B宁愿做A事也不做B事
would do A rather than do B宁愿做A事也不做B事
4. would rather (do sth) 宁愿；宁可(做某事)
⑴ I would rather ____ (go) with you than _____ (stay) by myself.

⑵ I would rather you ______ (go) to the cinema now.

⑶ I would rather you ______ (come) tomorrow.

⑷ I would rather fail than _______ (cheat) in the examination.
cheat
go
stay
went
came
pick up 捡起；(无意中)学会；接收；搭载
take up 拿起；开始从事；占据(时间、地方)
hang up 挂起来；挂断电话
make up 虚构；弥补；组成
show up 出现；露面
bring up 抚养；教养
5. build up 逐渐增强；创建；增多；
增强……的体质
(1) His confidence _________ gradually as he gained more and more experience in teaching.


(2) Taking exercise helps us _________ our body and keep a clear mind.
built up
build up
(3) It didn’t take me long ___________ the basic knowledge of the language.

(4) I must get rid of this large table; it ________ too much room.

(5) There are more than two million farmers, __________ two thirds of the total population of the province.
making up
to pick up
takes up
(1)His careless driving ___________________
_________ (导致了这次严重的事故).

(2)This road ________ (通向)that mountain village.

(3)Einstein did many experiments，________
____________________(使他得出了这个结论).
6. lead to导致；通往(to是介词)
led to this terrible
which led
accident
leads to
him to this conclusion
(1)由于校长的努力，我现在又能回学校上学了。
_______________________________, I can go back to school now.

(2)由于你的支持，我们赢得了这场比赛。
______________________, we won the match.
7. thanks to(=because of) 幸亏；由于；因为
Thanks to your support
Thanks to the headmaster’s efforts
⑴ 我们把书放进书柜以避免落上灰尘。
We put our books in a bookcase ____________
______________.

⑵ 我们必须尽力使这条河流免受污染。
We must try our best _____________________
______________.
8. keep…free from/ of 使…免受(影响、伤害等)
to keep them
to keep the river free
free from dust
from pollution
过去的几十年，先进的医疗技术已经使得
人们比过去活得更长成为可能。
In the last decades，advances in medical technology ____________________________ _____________than in the past.
1. make it possible (for sb) to do使(某人)做某事
成为可能
have made it possible for people
to live longer
⑴ 倍数+形容词/副词的比较级+than…

⑵ 倍数+the+名词(length，width，height, size) + of…
2. 倍数词+as+原级+as… 是……的多少倍
同义英语中常用的倍数表达法还有：
这根绳子是那根的三倍长。
⑴ This rope is _________________ that one.

⑵ This rope is ____________________ that one.

⑶ This rope is ______________________ that one.
three times the length of
twice longer than
three times as long as
⑴ 不管做什么事，你都必须非常细心。
______________________, you must be very careful.
3. no matter wh-… 不管/ 不论…(后接状语
从句)
No matter what you do
⑵ 不论你选择哪一个，你都会满意的。
__________________________, you will be satisfied.

⑶ 不管你说什么，我都喜欢听。
_______________________, I like to listen.
No matter what you say
No matter which you choose
Thank you !