中学英语教学案例中学英语教学案例分析（1）What things can harm the environment ?What do you think we should do to improve our environment ? ）活动目的：通过列举污染源，学生更清楚当前环境的不仅如人意，保护环境刻不容缓，从而使学生增强保护环境的意识。他们动脑筋，想办法，积极讨论保护环境的措施，在不知不觉中提高英语语言运用能力。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 .T: 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。)T: You have told me what causes water p...
