More than two hundred years ago ,the term “environmental pollution” (1)____ quite strange to people. They lived healthily, drank pure water, and breathed fresh air. Nowadays, the situation is quite different. People all over the world are worried (2)_______ things that are happening to the environment. Actually it is man that is destroying the surroundings with many kinds of (3)_______.
Manufacturers know that wastes from factories make water and soil (4)_______, but they don’t want to spend a lot of their money on treating the wastes safely.
1. A. is B. will be C. have been D. was
2. A. about B. in C. of D. to
3. A. wastes B. water C. vehicles D. wasteland
4. A. pollutes B. pollution C. pollutting D. polluted
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