2021新版人教版选修一英语unit 5 导读·话题妙切入 ppt课件.ppt

1、返返 首首 页页 UNIT 5 WORKING THE LAND 导读导读话题妙切入话题妙切入 1 返返 首首 页页 Little drops of water, little grains of sand, make the mighty ocean and the pleasant land. Julia Carney 滴滴小水珠，颗颗小沙粒，会形成浩瀚的海洋与宜人的土地。 朱莉娅 加纳 Nature never deceives us; it is always us who deceive ourselves. Rousseau 大自然永远不会欺骗我们，欺骗我们的往往是我们自己。 卢梭

2、 2 返返 首首 页页 Other men live to eat, while I eat to live. Socrates 别人为食而生存，我为生存而食。 苏格拉底 It is not enough to be industrious, so are the ants.What are you industrious for？ H.D.Thoreau 光勤劳是不够的，蚂蚁也是勤劳的。要看你为什么而勤劳。 梭罗 3 返返 首首 页页 A man may lead a horse to the water, but he cannot make it drink. Heywood 一个人可以

3、把马带到河边，但他不能令它饮水。 希伍德 4 返返 首首 页页 Never give up Never give up， Never lose hope. Always have faith， It allows you to cope. Trying times will pass， As they always do. 5 返返 首首 页页 Just have patience， Your dreams will come true. So put on a smile， Youll live through your pain. Know it will pass， And streng

4、th you will gain. 6 返返 首首 页页 Born in a poor farmers family in 1930 and as a graduate of the Southwest Agriculture Institute in 1953, Yuan Longping began his teaching career at an agriculture school in Anjiang, Hunan Province. 7 返返 首首 页页 He came up with an idea for hybridizing rice in the 1960s, when

5、 a series of natural disasters and inappropriate (不恰当的) policies caused China to suffer a severe famine(饥荒) that led to many deaths.Since then, he has been devoting himself to the research and development of a better rice breed. In 1964, he happened to find a natural hybrid rice plant that had obvio

6、us advantages over others.Greatly encouraged, he began to study the elements(要素) of this particular type. 8 返返 首首 页页 In 1973, in cooperation with others, he was finally able to establish a complete process of creating and reproducing highyielding hybrid rice species.The next year they successfully c

7、ultivated(种植) a type of hybrid rice species which had great advantages.It yielded 20 percent more per unit than that of common ones, putting China in the lead worldwide in rice production.For this achievement, he was called the “Father of Hybrid Rice” 9 返返 首首 页页 In 1979, his technique for hybrid ric

8、e was introduced into the United States, the first case of intellectual property rights transfer in the history of the Peoples Republic of China. However, the debates among scientists about whether quality or quantity should take priority(优先权) are frequently heard.In the underdeveloped world, the in

9、creasing output is no doubt the primary concern, while people in developed countries prefer highquality rice. 10 返返 首首 页页 Yuan was asked to change his major concern from increasing output to improving quality and tastea task easier to accomplish for him.But Yuan was unswayed (未受影响的)He firmly believe

10、d, in developing countries, the increasing output outweighs the urgency for a better taste， and that his foremost task was to increase the grain reserve in developing countries, instead of the quality problem of his super hybrid rice.“First we must have enough food, then comes eating well， ” he said

11、. 11 返返 首首 页页 探究发现 1Find out the main idea of the passage and then think of a proper title for it. 答案 The passage is mainly about how Yuan Longping created super hybrid rice.The title is “Road to super hybrid rice” 12 返返 首首 页页 2 Find out the reason why Yuan Longping was called the “Father of Hybrid Rice” 答案 He cultivated a hybrid rice species with great advantages. 13 返返 首首 页页 3Find out Yuan Longpings idea about quality and quantity for developing countries. 答案 First have enough food, then eat well. 14 返返 首首 页页 Thank you for watching ! 15