必修4Unit2WorkingthelandWarmingupreading.pptVIP

Nearly 870 million people, or one in eight, were suffering from chronic undernourishment in 2010-2012, according to the new UN hunger report. A Chinese scientist is helping the hungry people. Who is he? Language Points Using his hybrid rice, farmers are producing harvests twice as large as before.（用他的杂交水稻的种子，农民们种出的粮食是以前的两倍多。） Name: Nationality: Age: Occupation: Education: Dream: Achievement: Hobbies: * Working the land Unit 2 What do you know about “farming”? wheat sorghum rice corn potato cabbage carrot tomato According to the World Health Organization: The world produces enough food for everyone. More than 800 million people go to bed hungry every day. Hunger Yuan Longping --- Father of Hybrid Rice Father of Hybrid Rice Do you know anything about him? the rice that has a high output Super Hybrid Rice A Pioneer For All People What’s the text mainly about? A. A brief introduction to Yuan Longping and his super hybrid rice. B. How to rid the world of hunger. C. How super hybrid rice was developed. D. How super hybrid rice was circulated to other countries. Reading Comprehension I Skimming Choose the best answer. 1). “A + be + 倍数 + as +形容词/副词原级 + as + B”. This tree is three times as tall as that one. His father is twice as old as he. 2). “A + be + 倍数 +形容词/副词比较级 + than + B ” The Yangtze River is almost twice longer than the Pearl River. 长江差不多比珠江长两倍。 The number of students in our school is three times larger than that in theirs. 我们学校的学生数量比他们学校的多三倍。 3). “A + be + 倍数 + the +名词 (size, height, weight, depth, length, amount) + of + B” The newly built square is four times the size of the previous one.  新扩建的广场是未扩建时的四倍大。 4). 主+谓+by+倍数 The production of rice has been increased by twice. Yuan Longping Chinese 83 (as of 2013) scientist/farmer graduated from Southwest Agriculture College in 1953 to export his hybrid rice so that it can be grown around the globe Reading Comprehension IV Scann