保护环境（一）
Now， our side of the car constant more up， the environment also increasingly worse！ That the air around us there are many harmful substances。 Therefore， we want to Sue around things start to do。 For example， we can go to school by bike or walk， it can exercise。 If you have time can use less elevator， many climb stairs。 We can not only physical exercise， but also to protect our environment。
保护环境（一）
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