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迅雷高速下载 音频下载[点击右键另存为] I'd rather live in a village,because there is less pollution.
There is too much noise in the city.
Do you think the air pollution in the city is serious?
What's the main reason for water pollution in this area?
The living environment of wild animals is getting worse and worse.
The environmental pollution makes the world become warmer than before.
People ruin the environment unconsciously everyday.
Don't litter.