人类染丝体结构与功能 作文
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解决时间 2021-11-25 04:05
- 提问者网友：十年饮冰
- 2021-11-24 04:25
人类染丝体结构与功能 作文
最佳答案
- 五星知识达人网友：迷人又混蛋
- 2021-11-24 05:01
Today the quality of our natural environment has become an important issue.The world population is rising so quickly that the world has become too crowded.
We are using up our natural resources and at the same time polluting our environment with dangerous chemicals.If we continue to do this,life on earth cannot survive.
Concerned people have made some progress in environmental protection.Governments of many countries have established laws to protect the air,forests and sea resources and to stop environmental pollution.
We are using up our natural resources and at the same time polluting our environment with dangerous chemicals.If we continue to do this,life on earth cannot survive.
Concerned people have made some progress in environmental protection.Governments of many countries have established laws to protect the air,forests and sea resources and to stop environmental pollution.
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