13. Reduce / should / Everyone / something / do / to / in our city / the pollution //. 14. the citizens / should use / I suggested / public transports / to avoid / the heavy traffic jams //. Environmental pollution is the most serious problem facing mankind today. Air, water and soil are necessary to the survival of all living things. Badly polluted air can cause illness and even death. Polluted water kills many kinds of wild animals and other marine life. Pollution of soil reduces the amount of land for growing food. 19. The most danger of the environment is pollution. __________ 20. Polluted air, polluted water and polluted soil don’t affect our life. ___________ 21. Many kinds of wild animals and other marine life are polluting the water resources. ___________ 22. The pollution of soil makes the amount of land for growing food narrower. ___________ 23. The word “serious” in line 1 is nearest meaning to ______________ A. complicated B. safe C. dangerous D. popular 24. The main idea of this paragraph is _____________ A. The disadvantages of pollution B. Our environment C. The effective pollution D. Pollutants

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