人教版英语必修4课文讲解Unit2课件.ppt

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1、英英语必修必修4 Unit 2词汇拓展拓展 1.sunburnt adj.sun+burnt 2.output n.out put3.hunger n.hungry adj.4.disturb vt.令人令人烦恼 disturbing adj.令人令人烦恼的的 disturbed adj.烦恼的的英英语必修必修4 Unit 2词汇拓展拓展 surprise vt.surprising adj.surprised adj.move vt.moving adj.moved adj.英英语必修必修4 Unit 2词汇拓展拓展 5.expand v.expansion n.6.circulate v.

2、circulation n.7.freedom n.free adj.8.equip v.equipment n.设备 be equipped with 有有英英语必修必修4 Unit 2词汇拓展拓展 9.person n.personal adj.10.confuse v.confusion n.11.chemical adj.chemistry n.12.produce v.production n.producer n.生生产者；制片人者；制片人 英英语必修必修4 Unit 2词汇拓展拓展 statistic n.数据数据statistics pl.bacteria n.细菌菌bacte

3、rium pl.英英语必修必修4 Unit 2 阅读理解理解Comprehending P11 1.Use the information in the passage to complete the following notes about Yuan Longping.英英语必修必修4 Unit 2阅读理解理解Name_Nationality _Age _Occupation _Education _Dream _Achievement _Hobbies _英英语必修必修4 Unit 2阅读理解理解Key:Name:Yuan LongpingNationality:ChineseAge:7

4、7(as of 2007)Occupation:ScientistEducation:Graduated from Southwest Agricultural College,in 1953Dream:to export his hybrid rice so that it can be grown around the globeAchievement:in 1973,developed hybrid rice which produces 20%more than normal riceHobbies:listening to violin music,playing mah-jong,

5、swimming and reading 英英语必修必修4 Unit 2课文文 讲解解Although he is one of Chinas most famous scientists,Yuan Longping considers himself a farmer,for he works the land to do his research.尽管是中尽管是中国最著名国最著名的科学家的科学家之一，袁之一，袁隆平仍然隆平仍然认为自己自己是个是个农民，民，因因为他在他在田里耕作，田里耕作，进行科学行科学研究。研究。Indeed,his sunburnt face and arms and

6、his slim,strong body are just like those of millions of Chinese farmers,for whom he has struggled for the past five decades.的确，他的确，他被太阳晒被太阳晒得黝黑的得黝黑的脸庞和和和和手臂，以手臂，以及他那瘦及他那瘦削而又削而又结实的身躯，的身躯，就跟其他就跟其他千百万中千百万中国国农民一民一样，过去去50年来，年来，他一直在他一直在努力帮助努力帮助他他们。英英语必修必修4 Unit 2课文文 讲解解语言要点：言要点：1.although 虽然然;接接让步从步从句句（bu

7、t）2.for 因因为 ;原因从句原因从句3.consider v.认为4.work the land 在田里耕作在田里耕作5.like prep.像像6.millions of 千百万千百万7.the past five decades 过去去五十年五十年8.for whom he has struggled非限定性定非限定性定语从从句句英英语必修必修4 Unit 2课文文 讲解解Dr Yuan Longping grows what is called super hybrid rice.袁博士种植的袁博士种植的是被是被称称为“超超级杂交水交水稻的稻的”的稻种。的稻种。In 1974,he

8、 became the first agricultural pioneer in the world to grow rice(that has a high output.)1974年，年，他成他成为世界上第世界上第一位种植高一位种植高产水稻的水稻的农业先先锋。英英语必修必修4 Unit 2课文文 讲解解语言要点：言要点：9.the rice 先行先行词(that has a high output.-定定语从句从句)英英语必修必修4 Unit 2课文文 讲解解This special strain of rice makes it possible to produce one-thir

9、d more of the crop in the same fields.这种特殊的稻种使得同种特殊的稻种使得同样的田地多收的田地多收获三三分之一的分之一的产量。量。Now more than 60%of the rice produced in China each year is from this hybrid strain.如今中国每年出如今中国每年出产的稻米有的稻米有60%以上出自以上出自这种种杂交稻种。交稻种。Born in a poor farmers family in 1930,Dr Yuan graduated from Southwest Agricultural Co

10、llege in 1953.袁博士袁博士1930年出生，年出生，1953年年毕业于西南于西南农学学院。院。Since then,finding ways to grow more rice has been his life goal.从那从那时起，找到水稻高起，找到水稻高产的方法的方法就成就成为他一生的目他一生的目标。英英语必修必修4 Unit 2课文文 讲解解语言要点：言要点：10.it：to produce one-third more of the crop11.the rice(produced in China each year-过去分去分词词组-定定语-修修饰rice)12.(

11、finding ways to grow more rice ing分分词词组-主主语-)has been his life goal.英英语必修必修4 Unit 2课文文 讲解解As a young man,he saw the great need for increasing the rice output.年年轻时，他就看到了，他就看到了稻田增稻田增产的巨大需求。的巨大需求。At that time,hunger was a disturbing problem in many parts of the countryside.当当时，饥荒是荒是许多多农村地区面村地区面临的的严重重问题

12、。Dr Yuan searched for a way to increase rice harvests without expanding the area of the fields.袁博士要在不增加土地面袁博士要在不增加土地面积的基的基础上上寻求达到增收稻谷的途径。求达到增收稻谷的途径。In 1950,Chinese farmers could produce only fifty million tons of rice.1950年，中国年，中国农民只能生民只能生产五千万五千万吨稻谷吨稻谷，英英语必修必修4 Unit 2课文文 讲解解语言要点：言要点：13.he saw the gr

13、eat need for increasing the rice output.for后面接后面接ing 分分词词组-介介词宾语14.Dr Yuan searched for a way（to increase rice harvests-不定式不定式词组-定定语）without（接（接ing 分分词词组-介介词宾语expanding the area of the fields.）15.million 百万百万 fifty million 五千万五千万 hundred million 亿英英语必修必修4 Unit 2课文文 讲解解In a recent harvest,however,nea

14、rly two hundred million tons of rice was produced.而近来却生而近来却生产了了将近两将近两亿吨稻谷。吨稻谷。These increased harvests mean that 22%of the worlds people are fed from just 7%of the farmland in China.这一粮食一粮食产量的增加意味量的增加意味着中国着中国仅仅7%的耕地养活了世界的耕地养活了世界22%的人口。的人口。Dr Yuan is now circulating his knowledge in India,Vietnam and

15、 many other less developed countries to increase their rice harvests.袁博士袁博士现在在印度、在在印度、越南和很多其他欠越南和很多其他欠发达国家达国家传播提高水稻播提高水稻产量的量的知知识。英英语必修必修4 Unit 2课文文 讲解解Thanks to his research,the UN has more tools in the battle to rid the world of hunger.多多亏了他的研究，了他的研究，联合国在消除世界合国在消除世界饥饿的的战斗中有了更多的斗中有了更多的办法。法。Using his

16、 hybrid rice,farmers are producing harvests twice as large as before.用他的用他的杂交水稻交水稻种子，种子，农民种出的粮食比以前多了一倍。民种出的粮食比以前多了一倍。Dr Yuan is quite satisfied with his life.袁博士很袁博士很满意他的生活。意他的生活。However,he doesnt care about being famous.He feels it gives him less freedom to do his research.但是，他但是，他对成名并不在意，并且成名并不在意，

17、并且觉得出名后搞科研就不那么自由了。得出名后搞科研就不那么自由了。英英语必修必修4 Unit 2课文文 讲解解语言要点：言要点：16.thanks to 由于由于多多亏17.the battle(to rid the world of hunger-不不定式定式定定语).18.ridof使使摆脱；消除脱；消除19.Using his hybrid rice,现在分在分词词组-状状语20.as large as before.比以前多了一倍比以前多了一倍21.be satisfied with 对满意意22.care about 关心；在意关心；在意英英语必修必修4 Unit 2课文文 讲解解I

18、ndeed,he believes that a person with too much money has more rather than fewer troubles.事事实上，他上，他认为一个人有了太多一个人有了太多钱，他的麻他的麻烦事只会更多，而不是更少。事只会更多，而不是更少。He therefore gives millions of yuan to equip others for their research in agriculture.于是，于是，他拿出好几百万元帮助其他人他拿出好几百万元帮助其他人进行行农业科科学研究。学研究。英英语必修必修4 Unit 2课文文 讲解

19、解语言要点：言要点：22.would rather do sth.宁愿宁愿23.enjoy doing sth.24.spending money on himself or leading a comfortable life also-ing分分词词组主主语 25.lead a comfortable life 过着舒适的生活着舒适的生活26.means little 没有什么意没有什么意义英英语必修必修4 Unit 2课文文 讲解解 Just dreaming for things,however,costs nothing.梦想是不花本梦想是不花本钱的。的。Long ago Dr yu

20、an had a dream about rice plants as tall as sorghum.Each ear of rice was as big as an ear of corn and each grain of rice was as huge as a peanut.很久以前，袁博士曾在梦里看到很久以前，袁博士曾在梦里看到水稻水稻长得像高粱一得像高粱一样高，稻穗跟玉米穗一高，稻穗跟玉米穗一样大，而每粒稻谷像花生米一大，而每粒稻谷像花生米一样大。大。英英语必修必修4 Unit 2课文文 讲解解Dr Yuan awoke from his dream with the hop

21、e of producing a kind of rice that could feed more people.袁博士从梦中醒来，希望能种植一种能养袁博士从梦中醒来，希望能种植一种能养活更多人的水稻。活更多人的水稻。Now,many years later,Dr Yuan has another dream:to export his rice so that it can be grown around the globe.在很多年后的今天，在很多年后的今天，袁博士袁博士还有另外一个梦想，那就是他的稻谷可以有另外一个梦想，那就是他的稻谷可以出口并出口并长遍全球。遍全球。One dream

22、 is not always enough,especially for a person who loves and cares for his people.一个梦想一个梦想总是不是不够的，尤其的，尤其对一个一个热爱和关心人民的人来和关心人民的人来说更是如此。更是如此。英英语必修必修4 Unit 2课文文 讲解解语言要点：言要点：27.(Just dreaming for things,however,-ing分分词词组-主主语)costs nothing.28.asas 像像一一样 as tall as;as big as;as huge as;29.dream with the hope of(producing a kind of rice-ing分分词词组-介介词宾语)（that could feed more people.定定语从句修从句修饰rice）