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Exercise.
1. Rivers are polluted with chemical waste from factories.
2. What does the government do to ensure that we live in a better world?
3. Infants and children may be especially sensitive to health risks.
4. The mission of environmental protection agency is to protect human health and the environment.
5. Air supplies us with oxygen which is essential for our bodies to live.
6. Environmental pollution is a serious issue.
7. Environmental pollution requires public concern.
8. We should take measures to tackle the problem of environmental pollution.
9. Environmental pollution can lead to a lot of disastrous results.
10. Environmental degradation can hinder the development of society.
11. I can’t bear the noise near my house any more.
12. If water contamination continues human beings will suffer severely.
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