“Working-the-land.ppt
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1、Unit 2Working the landWarming up & ReadingBy Li ShenFarmers weeding at noon,Sweat down the field soon.Who knows food on a tray,Due to their toiling day.Do you know the Chinese poem?PoemHave you ever worked in the field?Do you know how the food we eat is planted? Use rice as an example. describe the
2、steps with the help of the picture.First, the farmers plough the field. They have to make the soil loose enough to plant crops.Second, the farmers put seeds in the soil.Third, they grow some young plants.Fourth, they insert the young plants into the field.Fifth, they irrigate (灌溉灌溉)the field when it
3、 is dry. Sixth, they harvest the grains from the field. Seventh, they winnow to get grain separated from the plants. rice Read the statistics below. What problem do they show?Many people starve for lack of food even todaybecause of the unbalanced world economy.According to the World Health Organizat
4、ion:The world produces enough food for everyone.More than 800 million people go to bed hungry every day.If tomorrow there was suddenly no rice to eat, what would happen?Lets get to know the world hunger.Today our world houses more than 6.5billion people. Worldwide, more than 1 billion people current
5、ly live below the international poverty line, earning less than $1 per day. 854 million people across the world aresuffering from hunger, up from 852 million a year ago. Six million children under the age of 5die every year as a result of hunger. Every day, almost 16,000 children die from hunger. On
6、e child every five seconds. If you had the chance to do one thing to help end hunger in the world, what would you do?invent a new kind of plant to produce more food.make a kind of fertilizer to give rice enough nutrition and let them grow quickly and have high product. The only way to solve the food
7、 shortage problem is to increase the yield of the grain crop per land area through the advancement of science and technology. Just at that time, a Chinese scientist declared to the world that China can solve the problem by himself and help to solve the same problem in the world. Guess who he is.Fath
8、er of Hybrid RiceHe is father of hybrid rice, who was awarded “the Nobel Prize of Asia”. He received the honor for his greatcontributions to hybrid rice research and work he did to improve rice production in developing countries. He is called a pioneer for all people.Dr Yuan Longping (袁隆平博士袁隆平博士)the
9、 rice that has a high outputhybrid cottonName other kinds of hybrid products.hybrid pearsuper hybrid ricehybrid pepperhybrideggplant hybridcorn What do you plan to do to get rid of the world hunger?work the land 在田间工作在田间工作 for the past five decades 在过去的五十年里在过去的五十年里 grow hybrid rice 种植杂交水稻种植杂交水稻agric
10、ultural pioneer 农业先驱农业先驱 have a high output 产量高产量高 be born into a poor family 出生在一个贫苦家庭出生在一个贫苦家庭 increase the rice output 增加水稻产量增加水稻产量search for a way to do sth.寻求做某事的途径寻求做某事的途径circulate ones knowledge 传播知识传播知识thanks to幸亏;由于幸亏;由于 rid the world of hunger 摆脱摆脱/消除世界饥饿消除世界饥饿twice as large as before 是原来的
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