英语选修6人教新课标UNIT 4 GLOBAL（重庆专用）同步PPT：《综合1》.ppt

1、配人教版 英语 选修6 Unit 4Global warming配人教版 英语 选修6 一些中国科学家认为全球变暖对中国和一些发展中国家很有利。The other side of the story Some Chinese scholars believe global warming has advantages.They think the warming climate can bring benefits to China and many developing countries.配人教版 英语 选修6 Mr.Ren，a Chinese scientist，began to stu

2、dy global climate change more than a decade ago.He indicated(表明)that the rainfall brought by the summer wind coming off the ocean would improve the ecological environment in some arid(干旱的)or semiarid areas.In other words，a warmer climate could result in increased agricultural harvest for most parts

3、of China and many developing countries located at the edge of the summer wind.Mr.Zhang，professor of the Institute of Geography，Chinese Academy of Sciences，found that the agricultural production in most parts of China，except for Guangdong Province and coastal areas in the southeast，was higher in warm

4、er periods than in colder ones.配人教版 英语 选修6配人教版 英语 选修6 Therefore，human activities should not be regarded as the main cause of climate change.“Influences from both human and natural factors should be equally stressed.”Ren said，adding that nobody could be sure at this point whether it was natural influ

5、ence or the greenhouse effect that was causing the change.配人教版 英语 选修6 It is generally believed that the greenhouse effect resulting from industrial activities destroys the natural environment.Under such circumstances，Ren admitted it would be difficult for the public to accept his viewpoint.He only h

6、oped that both natural and human factors should be taken into consideration when people think about global warming.配人教版 英语 选修6 Answer the following questions.1Whats the opinion of some Chinese scholars?【答案】Global warming has advantages.2How did Mr.Ren draw his conclusion?【答案】This conclusion came after detailed comparison based on historical records of agricultural production between the warmer periods(17501790)and the colder periods(18411890)