Unit22EnvironmentalProtection..docVIP

Unit 22 Environmental Protection Lesson 1 （学案） 教学目标 1. 学生能够借助图片总结出课文各自然段主题。 2. 能够通过阅读掌握课文的细节内容 3. 能够通过学习增强环境意识和对地球的保护意识 教学内容 重点词汇：consensus coincidence reservation bounce condemn sacrifice advocate 重点短语： beyond our control, pump into, speed up, refer to, have a responsibility to do, in turn, 相关短语： trap…into…, bounce back, lead to, be relevant to, switch off, take action 1.Skimming: 1. Read the text and match the heads with the paragraphs. Para 1. Draw readers’ attention to the topic by asking questions. Para 2. What should human beings do. Para 3. What is global warming. Para 4. Consequences of global warming. Para 5. What cause global warming 2.Answer the following questions(according to some key words after discussion) Read Para__: What is global warming? Global warming means: ___________________________________________________climate change. Read para__: What cause global warming? (fill in the blanks) Industry, agriculture, the cutting down of_______,__________ in____________ And___________ of______ are causing global warming. Read Para__: Consequences of global warming: (according to some key words) Danger, has increased 1°F . condemning life severe consequences. Terrible climate changes, serious diseases ,industries polar ice to melt, raising sea levels and the flooding ,many islands and cities. Read Para__: What should human beings do? (fill in the blanks) make small changes like______________________, recycling, using___________________, and buying ____________________________to help stop global warming. 3. Fill in the blanks about the text. Global warming means an average increase in the Earth’s temperature which causes climate change in turn. Scientists think it is _________ _________ that cause global warming, especially gases from __________ and vehicles which speed up global