Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.1, The island has been serious polluted by a copper mine. A B C D2, There was a dramatic decrease to the rate of our pollution last year. A B C D3, The river has become such polluted for us to swim. A B ...
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Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
1, The island has been serious polluted by a copper mine.
A B C D
2, There was a dramatic decrease to the rate of our pollution last year.
A B C D
3, The river has become such polluted for us to swim.
A B C D
4, Chemicals can effect the air quality and cause many health problems.
A B C D
5, The factory secretly dumped millions of litres of raw sewage to the
A B C D
sea last year.
7, These substances are poisonous with fish when they are pumped
A B C
directly into water.
D