人教新课标必修四Unit2languagepoints课件(共24张).ppt-(课件无音视频)

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1、Unit 2 Working the landReadingParagraph 1Although he is one of Chinas most famous scientists,Yuan Longping considers himself a farmer,for he works the land to do his research.尽管是尽管是中国最著名的科学家之一中国最著名的科学家之一,袁隆平仍然,袁隆平仍然认为认为自己是个农民自己是个农民,因为因为他在田里耕作,进行科学研究。他在田里耕作,进行科学研究。Indeed,his sunburnt face and arms an

2、d 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,他被太阳晒得黝黑的的确,他被太阳晒得黝黑的脸庞和和手臂,以及他那瘦削而又结实的身躯,就跟其他千百脸庞和和手臂,以及他那瘦削而又结实的身躯,就跟其他千百万中国农民一样,过去万中国农民一样,过去50年来,他一直在努力帮助他们。年来,他一直在努力帮助他们。Paragraph 11)those 代替主语代替主语his sunburnt face a

3、nd arms and his slim,strong body。不定代词不定代词those,替代替代the+复数名词(尤其是有后置定语时)复数名词(尤其是有后置定语时)The books on the desk are better than those(=the books)under the desk.书桌上的那些书比书桌下的那些好。书桌上的那些书比书桌下的那些好。2)for whom he has struggled for the past five decades是由是由“介介词词+whom”引导的定语从句,修饰先行词引导的定语从句,修饰先行词Chinese farmers。=wh

4、om he has struggled for for the past five decades.Paragraph 1Dr Yuan Long ping grows what is called super hybrid rice.袁博袁博士种植的是被称为士种植的是被称为“超级杂交水稻超级杂交水稻的的”的稻种。的稻种。In 1974,he became the first agricultural pioneer in the world to grow rice that has a high output.1974年,他成为年,他成为世界上第一位种植高产世界上第一位种植高产水稻的农业先

5、锋水稻的农业先锋。This special strain of rice makes it possible to produce one-third more of the crop in the same fields.这种特殊这种特殊的稻种使得同样的田地多收获三分之一的产量。的稻种使得同样的田地多收获三分之一的产量。Now more than 60%of the rice produced in China each year is from this hybrid strain.如今中国每年出产的稻米有如今中国每年出产的稻米有60%以上出自这种杂交稻种以上出自这种杂交稻种。Paragr

6、aph 12.Yuan Longping grows what is called supper hybrid rice.袁隆平袁隆平种植的是被成为种植的是被成为“超级杂交水稻超级杂交水稻”的种子。的种子。what is called supper hybrid rice是由是由what 引导的做引导的做grow的宾语的宾语从句。从句。eg Police have found what appears to be lost ancient statue.警察警察已经找到了似乎丢失了的古代雕像。已经找到了似乎丢失了的古代雕像。Paragraph 13.In 1973,he became the

7、first agricultural pioneer in the world to grow rice that has a high output.1973年,他成为世界上第一年,他成为世界上第一位种植高产水稻的农业先锋。位种植高产水稻的农业先锋。1)that has a high output 是由是由that 引导引导 的定语从句,修饰先行的定语从句,修饰先行词词rice。2)to grow rice是不定式短语作定语,修饰名词是不定式短语作定语,修饰名词 the first agricultural pioneer。Paragraph 1当名词被当名词被序数词序数词,形容词最高级或形

8、容词最高级或the only,the next,the last,the right 修饰,且该名词是作定语的非谓语动词的执行者时,用修饰,且该名词是作定语的非谓语动词的执行者时,用不不定式主动形式定式主动形式作定语。作定语。He was the only one to survive the plane crash.他是这次空难中唯一的幸存者。他是这次空难中唯一的幸存者。He was the right person to do the job.他是做这份工作的合适人选。他是做这份工作的合适人选。Paragraph 14.This special strain of rice makes i

9、t possible to produce 20%more of the crop in the same fields.这种特殊的稻种使得同样的这种特殊的稻种使得同样的田地多收获田地多收获20%的产量。的产量。“make it+adj/n+to do”本句型中本句型中it是形式宾语,代替后面的不是形式宾语,代替后面的不定式结构,形容词或名词为宾语补足语。有时动词不定式结构定式结构,形容词或名词为宾语补足语。有时动词不定式结构可换位可换位that 引导的宾语从句。引导的宾语从句。eg The fine weather makes it possible for us to go for an

10、outing next week.好天气使我们的下周出游成为可能。好天气使我们的下周出游成为可能。Paragraph 15.Now more than 60%of the rice produced in China each year is from this hybrid strain.如今中国每年出产的稻米有如今中国每年出产的稻米有60%以上出以上出自这种杂交稻种。自这种杂交稻种。1)“分数、百分数分数、百分数of+名词名词”作主语时,谓语动词与作主语时,谓语动词与of 后的名后的名词的单复数而定。词的单复数而定。More than 60%of the students in the s

11、chool are from the countryside.这个学校这个学校60%多的学生来自乡下。多的学生来自乡下。Paragraph 12)produced in China each year是过去分词短语,在句中定语是过去分词短语,在句中定语,修饰,修饰the rice.相当于定语从句:相当于定语从句:which/that is produced in China each year.eg Things lost never come again.=Things that is lost never come again.丢失的的东西再也回不来。丢失的的东西再也回不来。Paragra

12、ph 2Born in a poor farmers family in 1930,Dr Yuan graduated fromSouthwest Agricultural College in 1953.袁博士袁博士1930年出年出生,生,1953年毕业于西南农学院。年毕业于西南农学院。Since then,finding ways to grow more rice has been his life goal.从那时起,找到水稻高产从那时起,找到水稻高产的方法就成为他一生的目标。的方法就成为他一生的目标。As a young man,he saw the great need forin

13、creasing the rice output.年轻时,他就看到了年轻时,他就看到了稻田增产的巨大需求。稻田增产的巨大需求。At that time,hunger was a disturbing problem in many parts of the countryside.当时,饥荒是许多当时,饥荒是许多农村地区面临的严重问题。农村地区面临的严重问题。Paragraph 27.Since then,finding ways to grow more rice has been his life goal.从那时起,找到水稻高产的方法就成为他一生的目标。从那时起,找到水稻高产的方法就成为

14、他一生的目标。1)to grow more rice 是不定式短语作定语,修饰是不定式短语作定语,修饰ways。有些。有些名词常用不定式作定语说明其内容,它们是:名词常用不定式作定语说明其内容,它们是:chance,opportunity,way 等,不定式可以换成等,不定式可以换成of doing。也就是:也就是:way to do=way of doingThank you for giving me a chance to make the speech.谢谢你给我发言的机会。谢谢你给我发言的机会。Paragraph 22)常与现在完成时连用时间状语:常与现在完成时连用时间状语:sinc

15、e then,up to now,so far,in the past(last)few days/years,lately,recently 等。等。eg In the past few years,great changes have taken place in my hometown.在过去的几年里,我的家乡发生了巨大的变化。在过去的几年里,我的家乡发生了巨大的变化。Paragraph 2Dr Yuan searched for a way to increase rice harvests without expanding the area of the fields.袁博士要在不

16、增加土地面积的袁博士要在不增加土地面积的基础上寻求达到增收稻谷的途径。基础上寻求达到增收稻谷的途径。In 1950,Chinese farmers could produce only fifty million tons of rice.1950年,中国农民年,中国农民只能生产五千万吨稻谷,只能生产五千万吨稻谷,In a recent harvest,however,nearly two hundred million tons of rice was produced.而近来却生产而近来却生产了将近两亿吨稻谷。了将近两亿吨稻谷。These increased harvests mean t

17、hat 22%of the worlds people are fed from just 7%of the farmland in China.这一粮食产量的增加意味着中国仅仅这一粮食产量的增加意味着中国仅仅7%的耕地养活了的耕地养活了世界世界22%的人口。的人口。Paragraph 28.In a recent harvest,however,nearly two hundred million tons of rice was produced.而近年来却生产了将近两亿吨稻谷而近年来却生产了将近两亿吨稻谷。nearly two hundred million tons of rice 是

18、句子主语,表示重量是句子主语,表示重量,被看作整体,谓语动词用单数,被看作整体,谓语动词用单数was produced.2)表示时间、金钱、距离、重量等名词的复数作主语时,通)表示时间、金钱、距离、重量等名词的复数作主语时,通常被看作整体,谓语动词用单数。常被看作整体,谓语动词用单数。Sixty years is a long time.(Sixty years看作整体)看作整体)Paragraph 2Dr Yuan is now circulating his knowledge in India,Vietnam and many other less developed countries

19、 to increase their rice harvests.袁博士现在在印度、越南和很多其他欠发达国家传袁博士现在在印度、越南和很多其他欠发达国家传播提高水稻产量的知识。播提高水稻产量的知识。Thanks to his research,the UN has more tools in the battle to rid the world of hunger.多亏了他的多亏了他的研究,联合国在消除世界饥饿的战斗中有了更多的办法。研究,联合国在消除世界饥饿的战斗中有了更多的办法。Using his hybrid rice,farmers are producing harvests tw

20、ice as large as before.用他的杂交水稻种子,农民种出的粮食比以前用他的杂交水稻种子,农民种出的粮食比以前多了一倍。多了一倍。Paragraph 29.Using his hybrid rice,farmers are producing harvests twice as large as before.用他的杂交水稻种子,农民们种出的粮食是以用他的杂交水稻种子,农民们种出的粮食是以前的两倍。前的两倍。(1)Using his hybrid rice是是ving 短语作方式状语。短语作方式状语。eg Make sentences using the following w

21、ords.用下面的词造句用下面的词造句。Paragraph 2(2)twice as large as两倍大。倍数句型:两倍大。倍数句型:1)倍数)倍数+as+形容词形容词/副词原级副词原级+as.2)倍数)倍数+形容词形容词/副词比较级副词比较级+than3)倍数)倍数+the+size/weight/length.+of.4)倍数)倍数+what 从句从句eg 1)The room is three times as big as that one.The room is three times bigger than that one.The room is three times th

22、e size of that one.这个房间是那个房间的三倍大。这个房间是那个房间的三倍大。2)The production of our factory is five times what it was five years ago.我们工厂的产量是五年前的五倍。我们工厂的产量是五年前的五倍。Paragraph 3Dr Yuan is quite satisfied with his life.袁博士很满意他的生活。袁博士很满意他的生活。However,he doesnt care about being famous.He feels it gives him less freedom

23、 to do his research.但是,他对成名并不在意,但是,他对成名并不在意,并且觉得出名后搞科研就不那么自由了。并且觉得出名后搞科研就不那么自由了。He would much rather keep time for his hobbles.他宁愿把时间花在自己的业余他宁愿把时间花在自己的业余爱好上。爱好上。He enjoys listening to violin music,playing mah-jong,swimming and reading.他喜欢听小提琴乐曲、打麻将、游泳和他喜欢听小提琴乐曲、打麻将、游泳和读书。读书。Paragraph 310.Spending mo

24、ney on himself or leading a comfortable life also means very little to him.在自己身上花钱或者享受舒适的生活对在自己身上花钱或者享受舒适的生活对袁隆平来说意义也不大。袁隆平来说意义也不大。Spending money on himself or leading a comfortable life also 是是ving 短语作主语,谓语动词用单数。短语作主语,谓语动词用单数。eg Just dreaming for things costs nothing.梦想是不花本钱的。梦想是不花本钱的。Since then,fi

25、nding ways to grow more rice has been his life goal.从那时起,找到水稻高产的方法就成为从那时起,找到水稻高产的方法就成为 他一生的目标。他一生的目标。Paragraph 3Spending money on himself or leading a comfortable life also means very little to him.在自己身上花钱或者享受舒适的生活对在自己身上花钱或者享受舒适的生活对袁博士来说意义不大。袁博士来说意义不大。Indeed,he believes that a person with too much m

26、oney has more rather than fewer troubles.事实上,他认事实上,他认为一个人有了太多钱,他的麻烦事只会更多,而不是更少。为一个人有了太多钱,他的麻烦事只会更多,而不是更少。He therefore gives millions of yuan to equip others for their research in agriculture.于是,他拿出好几百万元帮助其他人进行农业科于是,他拿出好几百万元帮助其他人进行农业科学研究。学研究。Paragraph 4Just dreaming for things,however,costs nothing.梦

27、想是不花梦想是不花本钱的。本钱的。Long ago Dr yuan 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,袁很久以前,袁博士曾在梦里看到水稻长得像高粱一样高,稻穗跟玉米穗一博士曾在梦里看到水稻长得像高粱一样高,稻穗跟玉米穗一样大,而每粒稻谷像花生米一样大。样大,而每粒稻谷像花生米一样大。Dr Yuan awoke from his dream

28、with the hope 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活更多袁博士从梦中醒来,希望能种植一种能养活更多人的水稻。人的水稻。Paragraph 4Now,many years later,Dr Yuan has another dream:to export his rice so that it can be grown around the globe.在很多年后的在很多年后的今天,袁博士还有另外一个梦想,那就是他的稻谷可以出口今天,袁博士还有另外一个梦想,那就是他的稻谷可以出口并并长遍全球长遍全球。One dream is not always enough,especially for a person who loves and cares for his people.一个梦想总是不够的一个梦想总是不够的,尤其对,尤其对一个热爱和关心人民的人一个热爱和关心人民的人来说更是如此。来说更是如此。

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