人教版高中英语必修四unit2-Working-the-land-Period2-Warming-up-Prereading-reading课件(共20张PPT)

1、Book4 Unit 2 Working the landPeriod 2warming-up reading 高中英语（人教版）Learning objectivesAfter the class, you will be able to 1. learn information about Dr Yuan, his super hybrid rice and the significance of his research2. translate the reading passage.3. master the usage of some language points.4. make

2、up your minds to make contributions to motherland in the future like Dr Yuan.Farmers weeding at noon,Sweat down the field soon.Who knows food on a tray,Due to their toiling day.Enjoy a PoemWarming UpPre-reading to increase the yield of the grain crop per land area through the advancement of science

3、and technologyYuan Longping - Father of Hybrid Rice Careful-readingA PIONEER FOR ALL PEOPLE 0 Although he is one of Chinas most famous scientists, Yuan Longping considers himself a farmer, for he works the land to do his research. Indeed, his sunburnt face and arms and his slim, strong body are just

4、 like those of millions of Chinese farmers, for whom he has struggled for the past five decades. Yuan Longping grows what is called super hybrid rice. In 1973, he became the first agricultural pioneer in the world to grow rice that has a high output. This special strain of rice makes it possible to

5、produce 20% more of the crop in the same fields. Now more than 60% of the rice produced in China each year is from this hybrid strain. 0 0 0 0 Yuan Longpings appearance and his achievement.Q1: What does Yuan Longping look like?Q2: What is his achievement?He has sunburnt face and arms and a slim, str

6、ong body. He is more like a farmer than a scientist. He grows what is called super hybrid rice, which makes it possible to produce 20% more of the crop in the same fields. whom he has struggled for( )( )the first/last/best/only/very/right .+n. + to do sth.动词（think, believe, find, consider, feel）it宾补

7、真正的宾语（不定时，动名词，从句）I find it no use advising him to give up smoking.I must make it clear that Ill always support you.Para 1. Born in 1930, Yuan Longping graduated from Southwest Agricultural College in 1953. Since then, finding ways to grow more rice has been his life goal. As a young man, he saw the

8、great need for increasing the rice output. At that time, hunger was a disturbing problem in many parts of the countryside. Yuan Longping searched for a way to increase rice harvests without expanding the area of the fields. In 1950, Chinese farmers could produce about fiftysix million tons of rice.

9、In a recent harvest, however, nearly two hundred million tons of rice was produced. These increased harvests mean that 22% of the worlds people are fed from just 7% of the farmland in the world. Yuan Longping is now circulating his knowledge in India, Vietnam and many other less developed countries

10、to increase their rice harvests. Thanks to his research, the UN has more tools in the battle to rid the world of hunger. Using his hybrid rice, farmers are producing harvests twice as large as before.Para 2. Yuan Longpings brief introduction.a. He was born into a poor farmers family.b. He graduated

11、from Southwest Agricultural College.c. In 1950, Chinese farmers could produce about 56 million tons of rice.d. Nearly two hundred million tons of rice was produced by growing his super hybrid rice. e. He searched for a way to increase rice harvests without expanding the area of fields.f. He helps ri

12、d the world of hunger by circulating his knowledge in less developed countries.Put the facts in right order. Born in 1930, Yuan Longping graduated from Southwest Agricultural College in 1953. Since then, finding ways to grow more rice has been his life goal. As a young man, he saw the great need for

13、 increasing the rice output. At that time, hunger was a disturbing problem in many parts of the countryside. Yuan Longping searched for a way to increase rice harvests without expanding the area of the fields. In 1950, Chinese farmers could produce about fiftysix million tons of rice. In a recent ha

14、rvest, however, nearly two hundred million tons of rice was produced. These increased harvests mean that 22% of the worlds people are fed from just 7% of the farmland in the world. Yuan Longping is now circulating his knowledge in India, Vietnam and many other less developed countries to increase th

15、eir rice harvests. Thanks to his research, the UN has more tools in the battle to rid the world of hunger. Using his hybrid rice, farmers are producing harvests twice as large as before.( )Para 2. a. He was born into a poor farmers family.b. He graduated from Southwest Agricultural College.c. In 195

16、0, Chinese farmers could produce about 56 million tons of rice.d. Nearly two hundred million tons of rice was produced by growing his super hybrid rice. e. He searched for a way to increase rice harvests without expanding the area of fields.f. He helps rid the world of hunger by circulating his know

17、ledge in less developed countries.Put the facts in right order.193019531950In a recent harvestnowas a young manacbedf Yuan Longpings brief introduction.Para 2. Yuan Longpings brief introduction. Born in 1930, Yuan Longping graduated from Southwest Agricultural College in 1953. Since then, finding wa

18、ys to grow more rice has been his life goal. As a young man, he saw the great need for increasing the rice output. At that time, hunger was a disturbing problem in many parts of the countryside. Yuan Longping searched for a way to increase rice harvests without expanding the area of the fields. In 1

19、950, Chinese farmers could produce about fiftysix million tons of rice. In a recent harvest, however, nearly two hundred million tons of rice was produced. These increased harvests mean that 22% of the worlds people are fed from just 7% of the farmland in the world. Yuan Longping is now circulating

20、his knowledge in India, Vietnam and many other less developed countries to increase their rice harvests. Thanks to his research, the UN has more tools in the battle to rid the world of hunger. Using his hybrid rice, farmers are producing harvests twice as large as before.( )1. 倍数as形容词/副词原级as2. 倍数形容词

21、/副词的比较级than3. 倍数the size/height/length/width/depthof4. 倍数thatof5. 倍数what从句新扩建的广场是未扩建时的四倍大。The size of the newlybuilt square is four times that of the previous one.The newlybuilt square is four times the size of the previous one.The size of newly-built square now is four times what it was was built b

22、efore .The newlybuilt square is four times as large as the previous one.The newlybuilt square is three times larger than the previous one. Yuan Longping is quite satisfied with his life. However, he doesnt care about being famous. He feels it gives him less freedom to do his research. He would much

23、rather keep time for his hobbies. He enjoys listening to violin music, playing mahjong, swimming and reading. Spending money on himself or leading a comfortable life also means very little to him. Indeed, he believes that a person with too much money has more rather than fewer troubles. He therefore

24、 gives millions of yuan to equip others for their research in agriculture. Yuan Longpings personality.Which of the following description about Dr Yuans personality is not true?A. He is satisfied with his life because he is now rich and famous.B. He cares little about money and fame.C. He would rathe

25、r work than lead a comfortable life.D. He enjoys a simpler life than most rich and famous people.Para 3. Just dreaming for things, however, costs nothing. Long ago Yuan Longping 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

26、 as huge as a peanut. He awoke from his dream with the hope of producing a kind of rice that could feed more people. Now, many years later, Yuan Longping has another dream: to export his rice so that it can be grown around the globe. One dream is not always enough, especially for a person who loves

27、and cares for his people. Yuan Longpings dreams. DreamsThe first dream The second dreamas tall as sorghumas big as a cornas huge as a peanutTo export his rice so that it can be grown all over the globe.( )Para 4. ( )Post-reading Though Yuan Longping is a famous scientist, he considers himself 1. 0 f

28、armer. As a young man, Yuan Longping saw the great need 2. increasing the rice output. At that time, 3.(hungry) was a disturbing problem in China. He wanted to increase rice harvests without 4. (expand) the area of the fields. In 1973, a special strain of rice made 5. possible to produce 20% more of

29、 the crops in the same fields. Thanks to his research, the UN has more tools in the battle 6. (rid) the world of hunger. He is now circulating his rice knowledge in some less 7. (develop) countries. He wants to expand his rice 8. that it can be grown around the globe. Though he has struggled for the past decades, he is quite 9. (satisfy) with his life. He gives millions of y