人教版必修四Unit2(Reading：APioneerForAllPeople)(共24張)課件

1、By Meilei Li第1頁，共24頁。Question 1How much of the earth is covered by land?A. 1/2B. 1/3C. 1/4D. 1/5C. 1/4第2頁，共24頁。Question 2 Of the land on the earth, how much can be used for farming? A. 1/2B. 1/3C. 1/4D. 1/5A. 1/2第3頁，共24頁。Question 3 Of the arable(可耕種的) land, how much is actually used for farming?A. 1

2、/2B. 1/3C. 1/4D. 1/5C. 1/4第4頁，共24頁。Only _ (1/4*1/2*1/4) of the total land on the earth is now used for farming.1/32第5頁，共24頁。 Nowadays, the farmland is decreasing rapidly. Why?the overused land for building houses, squares, etc. serious environmental problems over farming the rapidly increasing popul

3、ation the rapidly increasing population第6頁，共24頁。ProblemHow can we feed the world with limited farmland ?第7頁，共24頁。 For China, it is a even more serious problem. Why?Because China only has 7% of the farmland of the earth, but has 22% of the worlds population. 第8頁，共24頁。Solution第9頁，共24頁。super hybrid ric

4、eproduce 20% more of the crop in the same fields with high output第10頁，共24頁。A Pioneer for All PeopleA Pioneer in agriculturea pioneer: a person who is the first to study and develop a particular area of knowledge, culture, etc. that other people then continue to develop A PioneerWhat is the particula

5、r area Yuan Longping studies?第11頁，共24頁。Para 1Para 2Para 3Para 4Life and hobbyDreamsBiography & achievements Opinion about himselfA pioneer for all people Match the headings with each paragraph第12頁，共24頁。Why is Dr. Yuan more of a farmer? For one thing, he _ _ _ to do his research though he is a scient

6、ist. For another, his _ face and arms and his _, _body are just like those of millions of Chinese farmers. works the landsunburntslimstrongPara 1: Opinion about himself sunburnt face and arms and slim, strong body第13頁，共24頁。What is Yuan Longpings way to grow more rice? His way is to increase rice har

7、vests without expanding the area of the fields. 2. How does it work? It works quite well. By using his hybrid rice, farmers are producing harvests twice as large as before. Thanks to his hybrid rice, farmers _ its rice production in the same fields. Para 2: Biography double3. What is he now busy doi

8、ng ? He is now busy _ _ _ in India, Vietnam and many other less developed countries to increase their rice harvests. circulating his knowledge第14頁，共24頁。Para 3：Life and hobby What is his opinion about being famous and rich? He _ _ _ being famous and rich. He would much rather _ _ _ his hobbies and _

9、others _ millions of yuan _ their research in agriculture. thought little of keep time for equipwithfor第15頁，共24頁。1. What was and is Yuan Longpings dream ? Since then (=his graduation) finding ways to grow more rice has been his life goal. Long ago _ _ Now, _ _he had a dream about rice plants astall

10、as sorghum , each ear of rice as big as an ear ofcorn and each grain of rice as huge as a peanut.many years later, he has another dreamabout exporting his rice so that it can be grownaround the globe. Para 4: Dreams 第16頁，共24頁。To feed the world!_ as tall as sorghum_as huge as a peanut_as big as an ea

11、r of cornrice plantseach ear of riceeach grain of riceTo rid the world of hunger!第17頁，共24頁。selflessimaginativemusic-loving pioneering lovingenergeticselflessimaginativemusic-loving pioneering lovingenergeticDr. Yuan doesnt _ _ being famous or rich. He would rather lead a _ life. simplecare aboutPers

12、onality第18頁，共24頁。 Norman Borlaug，被認為是美國最著名的農(nóng)業(yè)學家之一，他使得多達十億的人們免于饑餓的困擾。他環(huán)游世界去傳播他的方法，幫助很多欠發(fā)達國家的人民提高他們的農(nóng)作物產(chǎn)量。 在他小的時候，饑餓就是一個令人煩惱的問題。因此，從那時起，找到生產(chǎn)出更多小麥的方法就是他的人生目標。他下定決心要使人們擺脫饑餓。他毫不在意名和利，寧愿把時間留給他的農(nóng)業(yè)研究。多虧了他的努力，現(xiàn)在農(nóng)民每公頃（per hectare)的收成比以前翻了一番。 Similar writing:第19頁，共24頁。 Norman Borlaug，被認為是美國最著名的農(nóng)業(yè)學家之一，他使得多達十億的人

13、們免于饑餓的困擾。他環(huán)游世界去傳播他的方法，幫助很多欠發(fā)達國家的貧困人民提高他們的農(nóng)作物產(chǎn)量。 在他小的時候，饑餓就是一個令人煩惱的問題。因此，從那時起，找到生產(chǎn)出更多小麥的方法就是他的人生目標。他下定決心要使人們擺脫饑餓。他毫不在意名和利，寧愿把時間留給他的農(nóng)業(yè)研究。多虧了他的努力，現(xiàn)在農(nóng)民每公頃（per hectare)的收成比以前翻了一番。 第20頁，共24頁。 Norman Borlaug, considered to be one of the most famous agricultural scientist in America, kept as many as one bil

14、lion people free from hunger. Travelling around the world to circulate his methods, he helped poor people from less developed countries improve the output of their crops. When he was young, hunger was ever a disturbing problem. Therefore, finding ways to grow more wheat has been his life goal since then. He was determined to rid people of hunger. He thought little of being famous and rick and would rather keep time for his agricultural research. Thanks to his efforts, now farmers can produce harvests twice as large as bef