高中英语 Unit 2 Working the land Part Ⅰ Warming up Pre-reading Reading Comprehending教学案 新人教版必修4-新人教版高一必修4英语教学案

Unit 2 Working the land袁隆平，中国杂交水稻育种专家，中国研究与发展杂交水稻的开创者，被誉为“世界杂交水稻之父”。袁隆平致力于杂交水稻研究，发明“三系法”籼型杂交水稻，成功研究出“二系法”杂交水稻，创建了超级杂交稻技术体系，使我国杂交水稻研究始终居世界领先水平。为确保我国粮食安全和世界粮食供给作出了卓越贡献。荣获国家最高科学技术奖国家科学技术进步奖特等奖等多项荣誉。Nowadays，the increase in the prices of agricultural products is one of the greatest concerns of the people and the government.The government has announced a series of policies( 政 策 ) to prevent the prices from rising further.Rising housing price is still a big concern for the people，but since farm products are needed every day，the increase in their prices has made life very difficult for the people.Many people may think the increase will help farmers.But have higher prices of farm products really benefited the farmers?Take the increase in vegetable prices in the first half of this year for example.Though natural disasters such as droughts and spring frost did not cause the prices of farm products to increase greatly—in fact，prices of some products did not increase at all—vegetables have become dearer by as much as 20 percent compared to that of last year.This means only a small part(or even none) of the extra money that city people have paid to buy farm products has gone to the farmers.The extra cost actually has gone to middlemen.As the fact shows ， just increasing prices of farm products will have a negative influence on the entire economy.On the one hand ，the price increase has created some abnormal phenomena，which hurt farmers' interests.On the other hand，resources will enter the agriculture because of the high price of farm products，which would finally create ne...