Unit4Globalwarmingreading-2课件(人教版选修6).ppt

Unit4Globalwarmingreading-2课件(人教版选修6).ppt

  1. 1、本文档共45页,可阅读全部内容。
  2. 2、有哪些信誉好的足球投注网站(book118)网站文档一经付费(服务费),不意味着购买了该文档的版权,仅供个人/单位学习、研究之用,不得用于商业用途,未经授权,严禁复制、发行、汇编、翻译或者网络传播等,侵权必究。
  3. 3、本站所有内容均由合作方或网友上传,本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺!文档内容仅供研究参考,付费前请自行鉴别。如您付费,意味着您自己接受本站规则且自行承担风险,本站不退款、不进行额外附加服务;查看《如何避免下载的几个坑》。如果您已付费下载过本站文档,您可以点击 这里二次下载
  4. 4、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等,请点击“版权申诉”(推荐),也可以打举报电话:400-050-0827(电话支持时间:9:00-18:30)。
查看更多
Module 6 Unit 4 Warming-up and Reading ;;stove;Find out the related energy;a coal power station / coal;oil refinery(炼油厂) / oil;nuclear power plant(工厂) / nuclear;solar panels(太阳能电池板) / solar power;a hydro-electric dam (水力发电大坝) / water;non-renewable;Renewable or non-renewable?;Renewable or non-renewable?;Carbon dioxide;Video watching;Skimming; The first paragraph is in bold(粗体), which once again introduces _________________________________. ;Skimming;Skimming;Skimming;Skimming;Scanning;A greenhouse;traps the heat from the sun; Greenhouse effect is a natural p . Greenhouse gases in the atmosphere can warm the earth by trapping heat energy. But the problem begins when we add huge q of extra carbon dioxide to the atmosphere by burning fossil f . Therefore, more heat energy is t in the atmosphere. It is the increased amount of carbon dioxide that is r in global warming.;Tip: You can know somebody’s opinion through understanding his or what he said. ;Dr. Janice Foster thinks the effects of global warming could be very serious. George Hambley thinks global warming will be mild with few bad environmental consequences. ; Dr. Janice Foster;2. Does global warming matter?;cause the sea level to rise severe storms droughts famines the spread of diseases destruction of species;;cause the sea level to rise severe storms droughts famines the spread of diseases destruction of species;Idea-sharing; ;1.The temperature last century didn’t increase much. 2.Everyone believes that global warming is caused by the activities of humans. 3.Janice Foster believes that global warming is caused by burning fossil fuels.;4.Natural gas is a greenhouse gas. 5.Carbon dioxide is a byproduct of burning fossil fuels.;7.Flooding could be one of the effects of future global warming. 8.George Hambley believes scientists are just guessing about the effects of global warming. 9.George Hambley is worried ab

文档评论(0)

zhaoxiaoj + 关注
实名认证
内容提供者

该用户很懒,什么也没介绍

1亿VIP精品文档

相关文档