5. Environmental Protection
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. Still more measures should be taken to solve environmental problems. People should be further educated to recognize the importance of the problems, to use modern methods of birth control, to conserve our natural resources and recycle our products. We are sure that we can have a better and cleaner place in the future.
人教版五年级上册英语Recycle 2第4节作业本答案
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人教版五年级上册英语Unit 6第2节作业本答案
人教版五年级上册英语Challenge 2作业本答案
人教版五年级上册英语Unit 2用心想一想课前回顾同步导学与优化训练答案
人教版四年级上册英语Unit 4 Part C同步导学与优化训练答案
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人教版五年级上册英语Unit 1 Part B同步导学与优化训练答案
人教版五年级上册英语Unit 1 Part A同步导学与优化训练答案
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人教版四年级上册英语Unit 3 Part C同步导学与优化训练答案
人教版四年级上册英语Unit 6 Part B同步导学与优化训练答案
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人教版五年级上册英语Unit 2 Part A同步导学与优化训练答案
人教版四年级上册英语Unit 3 Part B同步导学与优化训练答案
人教版四年级上册英语Unit 2 Part C同步导学与优化训练答案
人教版四年级上册英语Unit 1 Part C同步导学与优化训练答案
人教版五年级上册英语Unit 2 Part C同步导学与优化训练答案
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