文档介绍：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ies in our city， Hangzhou。 But the air is not good enough。 Why？ （精品文档请下载）
Ss: Because there is much traffic.
T： Can you think out a way to solve this problem?
（ 学生们分组讨论解决方案，根底差的同学也纷纷参和,只不过在用中文说；根底好的同学在帮他们翻译。 )
Ss: 1。We can plant more trees on roads.
2。We can ask people not to drive their cars to work。 （精品文档请下载）
3。We can ask people to ride bikes to work。
can tell people riding bikes is good for their health. …… （精品文档请下载）
T： If their homes are far away from their workplaces, can they ride bikes to work ? （精品文档请下载）
Ss: No。
T: How can we solve it?
（ 学生们兴致更高了。你说一句，我说一句。大意是： )
Ss: We can ask the leader of the city to develop the public traffic。 Such as adding more buses， building underground. … ect。 （精品文档请下载）
T： We have thought out many methods to improve our environment。 I will try my best to tell our government that something must be done to make Hangzhou more beautiful. （精品文档请下载）
Have you ever made any pollution？
Ss： Yes.
T: Can you tell me something about it?
Ss： Yes。
S1： I sometimes spit in public places.
S2： I sometimes draw on public walls。
S3： I cut down a small tree in my school in Grade One .I feel very sorry now。 （精品文档请下载）
S4: We sometimes throw litter on the ground in and o