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最佳答案：Because it can guide people how to improve and protect the environment
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最佳答案：environment in beijing has been improved. we have fresh air and blue sky here.
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最佳答案：Forests provide timber, also regulate climate,preserve soil and water, defend wi
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最佳答案：1、他们两个都不喜欢打篮球（Neither）of them （likes）playing basketball.2、我们的环境需要改善Our（environme
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最佳答案：economic develops fastpeople's living level has improved a lotThe environment is
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最佳答案：Everyone could affect the environment and take the measure to improve it. There
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最佳答案：In energy is to improve the environment of a great power. Since entering 80 age,
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最佳答案：I have never heard such a story as he said.The scientists all over the world are
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最佳答案：1.Save energy and resources effectively .2. Promote the concept of environmental
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最佳答案：Especially Chongqing the person's effort in recent years, make the environment t