unit22导学案(1)

Unit22Environmental Protection 导学案(1)Lesson1—Global WarmingCan we take the heat?(1)Common sense: Global warming means an average increase in the Earth’s temperature which leads to climate change.Learning aims(学习目标):A(层次): Learn and recite the new words in Lesson 1B:①Keep the important words,phrases in mind ②Know a little about the topic--- Global Warming C,D:Have a konwledge the detailed information by the readingStrategiesDevelop the habit of protecting our environment.Important and difficult point:How to understand the passage(学习重点、难点) thoroughly.StepⅠ 本课单词检测.(A 级)__________________________________________________________________________________________________________________StepⅡBefore reading--lead in.(B 级)Which countries do you think contribute more to global warming?a)developed countries b)developing countriesAnd why?__________________________________________________________________________________________________________________StepⅢFast Reading:Read & match the headings. (B 级)Draw readers’attention Para.1What we can do Para.2What is global warming. Para.3Consequences of global warming. Para.4Causes of global warming Para.5StepⅣRead each paragraph carefully and then fill the detailed 1information. (C 级)Para.1 Introduction: Human beings are causing ______________________________and it is believed that __________________________could be one of the biggest __________ in the 21st century.Para.2 Definition: Global warming refers to ______________in the Earth’s temperature that, in turn, ________ climate change.Para.3 Causes: Many experts insist that the blame for this global warming can mostly _________________.Para.4 Consequences: If we continue to produce greenhouse gases____________________. There will be more __________________such as f...