初中英语教案分析.doc

活动过程：
　　T: There is much pollution all over the world now. Can you tell me what it is?
　　( 学生很快地回答 )
　　Ss: Water pollution ; Air pollution; Noise pollution; soil pollution … etc.
　　T: Do you know what causes water pollution?
　　Ss: Factories pour waste water into rivers and lakes.
　　T: All the factories?
　　Ss: No.
　　: What factories?
　　Ss: Paper factories, printing and dyeing mills, plastic factories … ect.
　　( 学生不会用英语说“印染厂及塑料厂”，他们说中文，我说英文。 )
　　T: What else can cause water pollution, too?
　　Ss: Some people throw rubbish into rivers and lakes.
　　T: How can we help to solve this problem?
　　( 学生们分组讨论解决办法。 )
　　Ss: We can advise the directors of these factories to stop pouring waste water into rivers and lakes.
　　T: If they don ’ t accept your advice ,what else can we do?
　　( 学生们讨论更热烈了，过了一会儿，他们七嘴八舌地说：)
　　Ss: 1. We can write a letter to Green China about it.
　　2. We can also ask newspaper reporters and TV station reporters to report these factories.
　　……T: There is a paper factory in my hometown .It pours waste water into the river every day. The people in the town drink the water of the river every day. They have advise the leader to stop pouring waste water into the river many times .But he never accepts it. Can you write a letter about it to the Green China?
　　( 学生异口同声说“ Yes ”。由于写作太费时间，这封信作为回家作业，请同学们写在作业本上。 )
　　: You have told me what causes water pollutio