, and a lot of people even get many stranger diseases.

　　those are all the punishment of nature to human's pollution. on the other hand, human being suffer a lot as well. so it leads to a serious of questions-- why can't we live harmoniously with nature? why can't we set a balance between human and nature? why can't we pay more attention to nature and try to reserve it? therefore, before we take immediate measures to do something, we should be aware of the fact that "conquering the nature" will never be our goal, instead, we should take the nature as our intimate friend. preserving nature is not only preserving our home, but the civilization of human community as well.

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