人教新课标必修四Unit2languagepoints课件(共24张)-2

1、人教新课标必修四Unit-2language-points课件-(共24张PPT)人教新课标必修四Unit-2language-points课Paragraph 1Although he is one of Chinas most famous scientists, Yuan Longping considers himself a farmer, for he works the land to do his research. 尽管是中国最著名的科学家之一，袁隆平仍然认为自己是个农民，因为他在田里耕作，进行科学研究。Indeed, his sunburnt face and arms a

2、nd 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50年来，他一直在努力帮助他们。Paragraph 1Although he is one Paragraph 11) those 代替主语his sunburnt face and arms and his slim, strong bod

3、y 。 不定代词those ,替代the +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。2）for whom he has struggled for the past five decades是由“介词+whom”引导的定语从句，修饰先行词Chinese farmers。=whom he has struggled for for the past five decades.Paragraph 11) those 代替主语his

4、 suParagraph 1Dr Yuan Long ping grows what is called super hybrid rice. 袁博士种植的是被称为“超级杂交水稻的”的稻种。 In 1974, he became the first agricultural pioneer in the world to grow rice that has a high output. 1974年，他成为世界上第一位种植高产水稻的农业先锋。This special strain of rice makes it possible to produce one-third more of th

5、e crop in the same fields. 这种特殊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60%以上出自这种杂交稻种。Paragraph 1Dr Yuan Long ping gParagraph 12.Yuan Longping grows what is called supper hybrid rice.袁隆平种植的是被成为“超级杂交水稻”的种子。what is called sup

6、per hybrid rice是由what 引导的做grow的宾语从句。eg Police have found what appears to be lost ancient statue.警察已经找到了似乎丢失了的古代雕像。Paragraph 12.Yuan Longping groParagraph 13 .In 1973,he became the first agricultural pioneer in the world to grow rice that has a high output .1973年，他成为世界上第一位种植高产水稻的农业先锋。1）that has a hig

7、h output 是由that 引导 的定语从句，修饰先行词rice。2） to grow rice是不定式短语作定语，修饰名词 the first agricultural pioneer。Paragraph 13 .In 1973,he becamParagraph 1当名词被序数词,形容词最高级或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，用不定式主动形式作定语。He was the only one to survive the plane crash.他是这次空难中唯一的幸存者。He was the r

8、ight person to do the job.他是做这份工作的合适人选。Paragraph 1当名词被序数词,形容词最高级或the Paragraph 14 .This special strain of rice makes it possible to produce 20% 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20%的产量。“make it +adj/n+to do”本句型中it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可换位that 引导的宾语从句。eg The fine w

9、eather makes it possible for us to go for an outing next week .好天气使我们的下周出游成为可能。Paragraph 14 .This special strParagraph 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60%以上出自这种杂交稻种。1）“分数、百分数of+名词”作主语时，谓语动词与of 后的名词的单复数而定。More than 60%of the students

10、 in the school are from the countryside .这个学校60%多的学生来自乡下。Paragraph 15 .Now more than 60Paragraph 12）produced in China each year是过去分词短语，在句中定语，修饰the rice. 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。Paragraph 12）p

11、roduced in ChinaParagraph 2Born in a poor farmers family in 1930, Dr Yuan graduated fromSouthwest Agricultural College in 1953. 袁博士1930年出生，1953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，找到水稻高产的方法就成为他一生的目标。As a young man, he saw the great need forincreasing the

12、rice output. 年轻时，他就看到了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，饥荒是许多农村地区面临的严重问题。Paragraph 2Born in a poor farmParagraph 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。1）to grow more rice 是不定式短语作定语，修饰w

13、ays。有些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of doing 。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。Paragraph 27.Since then ,findiParagraph 22） 常与现在完成时连用时间状语：since then ,up to now ,so far ,in the past (last) few days / years, lately, rece

14、ntly 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。Paragraph 22） 常与现在完成时连用时间状语：Paragraph 2Dr 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积的基础上寻求达到增收稻谷的途径。 In 1950, Chinese farmers could produ

15、ce only fifty million tons of rice. 1950年，中国农民只能生产五千万吨稻谷， In a recent harvest, however, nearly two hundred million tons of rice was produced. 而近来却生产了将近两亿吨稻谷。These increased harvests mean that 22% of the worlds people are fed from just 7% of the farmland in China. 这一粮食产量的增加意味着中国仅仅7%的耕地养活了世界22%的人口。Par

16、agraph 2Dr Yuan searched foParagraph 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。nearly two hundred million tons of rice 是句子主语，表示重量，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，通常被看作整体，谓语动词用单数。Sixty years is a long time .（Sixty year

17、s看作整体） Paragraph 28.In a recent harveParagraph 2Dr Yuan is now circulating his knowledge in India, Vietnam and many other less developed countries 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

18、. 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。Using his hybrid rice, farmers are producing harvests twice as large as before. 用他的杂交水稻种子，农民种出的粮食比以前多了一倍。Paragraph 2Dr Yuan is now circParagraph 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前的两倍。(1) Using his hy

19、brid rice是ving 短语作方式状语。eg Make sentences using the following words .用下面的词造句。Paragraph 29.Using his hybrid Paragraph 2(2)twice as large as两倍大。倍数句型：1）倍数+as +形容词/副词原级+as.2）倍数+形容词/副词比较级+than3）倍数+the+size/ weight /length.+of.4）倍数+what 从句eg 1）The room is three times as big as that one.The room is three ti

20、mes bigger than that one.The room is three times the size of that one.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。Paragraph 2(2)twice as large aParagraph 3Dr Yuan is quite satisfied with his life. 袁博士很满意他的生活。However, he doesnt care about bein

21、g famous. He feels it gives him less freedom to do his research. 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。 He would much rather keep time for his hobbles. 他宁愿把时间花在自己的业余爱好上。He enjoys listening to violin music, playing mah-jong, swimming and reading. 他喜欢听小提琴乐曲、打麻将、游泳和读书。Paragraph 3Dr Yuan is quite saParagraph 31

22、0 .Spending 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袁隆平来说意义也不大。Spending money on himself or leading a comfortable life also 是ving 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。Since then ,finding ways to grow more rice has bee

23、n 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。Paragraph 310 .Spending money 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袁博士来说意义不大。Indeed, he believes that a person with too much money has more rather than fewer troubles. 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。 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学研究。Paragraph 3Spending mon