人教新课标高中英语必修四 Unit2 Working the land Warming up (共48张PPT).ppt

Drying millet rice According to the World Health Organization: The world produces enough food for everyone. More than 800 million people go to bed hungry every day. Read the statistics below. Did you know these facts before? What problem do they show? Food is the basic need for humanbeing. Rice is the main food in all East Asian and Southeast Asian countries. It is said that there are 2.4 billion people eat rice everyday throughout the world. What is the main food in all East Asian and Southeast Asian countries? Today there are more than 7 billion people in the world. Nearly 870 million people were suffering from chronic（长期的） undernourishment（营养不良） in 2010-2012, according to the new UN hunger report. Children gather in a poor neighbourhood in the Mawzaa village of the southern Yemeni province of Taiz(塔伊兹（也门西南部城市）) July 1, 2012. Hunger Why could China feed 22%of the world’s people from just 7%of the farmland? Who plays such an important part in Chinese agriculture? If you had the chance to do one thing to help end hunger in the world, what would you do? I would invent a new kind of plant to produce more food. I’ll 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 shortage problem is to increase the yield(产量，产出) of the grain crop per land area through the advancement（发展，促进，提升）of science and technology. Just at that time, a Chinese scientist declared（宣布，宣称） to the world that China can solve the problem by himself and help to solve the same problem in the world. A Chinese scientist is helping the hungry people. Who is he? Yuan Longping --- Father of Hybrid Rice Father of Hybrid Rice Do you know anything about him? He is the father of hybrid rice, who was awarded “the Nobel Prize of Asia”. He received the honor for his great contributions to hybrid rice research and the work he did to improve rice production in developing countries. He is called a pioneer for all people.