新人教版高中英语必修4 Unit-2-Working-the-land-公开课课件.ppt-(纯ppt课件,无音视频素材)
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1、UNIT2 working the landHow much farmland is there in China?The math problem 3/4 of our earth is covered with water!_of our earth is land!1/4 1/2 of the land is too hot,cold or wet for farming!_of the land can be used for farming!1/2 3/4 of this part is used for roads,houses,schools!_of this part is f
2、armland.1/4_(about _%)of our earth is the worlds farmland!3 1/32 In China,the farmland is 7%of the worlds farmland.Farmland in China=3%x 7%=0.21%It means that in China,about _of the earth should feed _ billion people.How can such a small land feed such a large population?It cause hunger.1.30.21%1959
3、-1961,the three-year natural disaster of China.三年自然灾害三年自然灾害The great famine(hunger)all over the nation全国大饥荒全国大饥荒Who can save us?Who helped to solve the problem of hunger?Super hybrid riceMovedNobelSuper patent专利专利common riceSuper hybrid riceIts output is higher than common rice.发明人:袁隆平发明人:袁隆平发明名称:超级
4、杂交水稻发明名称:超级杂交水稻专利权人:中国专利权人:中国He gave the patent to the nation.The patent is worth 100 billion yuan.He won many awards at home and abroad.He was awarded of the honor of“the man who moved China”in 2004.He was recommended to compete for(被(被推荐角逐)推荐角逐)Nobel Peace Prize in 2014.Father of Hybrid Rice Lets
5、read!Lets go and see what kind of person Yuan Longping is.Task 1Read quickly and find out the main idea of each paragraph.Paragraph 1 Paragraph 2 Paragraph 3Paragraph 4His lifestyle and hobbies.His goal and dream.His research to increase the output of the rice.A generation introduction to Yuan Longp
6、ing.Task 2Detail reading1.A generation introduction to Yuan Longping2.His research to increase the output of the rice NameAppearanceAgeCollege educationOccupationLife goal1.Personal information84 year old nowgraduated from Southwest Agricultural College in 1953.agriculture scientist finding ways to
7、grow more ricesunburnt face and arms,slim and strong bodyYuan LongpingAchievements:1.He grew super hybrid rice that has a high output.2.He circulated his knowledge in some less developed countries to increase the harvest.3.He helped the UN to rid the world of hunger.1.In 1930,2.In 1953,3.In 1973,he
8、was born in Beijing.he graduated from Southwest Agriculture College.he became the first agricultural pioneer in the world to grow rice that has a high output.Now,More than _of the rice produced in China each year is from this hybrid strain.It means _of the worlds people are fed from just _of the far
9、mland in ChinaIn 1950,Chinese farmers could produce about _million tons of rice.Using his hybrid rice,farmers are producing harvests _as large as before.In a recent harvest,however,nearly _ million tons of rice was produced.In 1973,he grew super hybrid rice which produce _more rice in the same field
10、s.What did Dr Yuans rice look like in his dream?The rice plants were as tall as sorghum.Each ear of rice was as big as an ear of corn.Each grain of rice was as huge as a peanut.One dream is not always enough,especially for a person who loves and cares for his people.His dreams1.Long ago2.Now:Produci
11、ng a kind of rice that could feed more peopleto export his rice so that it can be grown around the globeTask 3Post readingPassage comprehending 篇章理解2.“Just dreaming for things,however,cost nothing”what does this sentence mean?A.If you dream,you will spend a lot of money.B.Dreams are free,and everybo
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