Read the following passage carefully, then fill in each blank with one suitable word. (10 x 0.1 = 1.0 pt) Everyone wants to reduce pollution but the pollution problem is (31)_________ complicated as it is serious. It is complicated (32)__________________________ much pollution is caused by things that benefit people. For example, exhaust from (33)____________ causes a large percentage of air pollution, but the automobile (34)_________transportation to millions of people. Factories discharge much (35)________the material that pollutes the air and water, but factories give employment to a large number of people.Thus, to end (36)________ greatly reduce pollution immediately, people would have to (37)_________________ using many things that benefit them. Most of the people do not want to do that, of course, but pollution can be (38) _________reduced in several ways. Scientists and engineers can work to find ways to lessen the (39)________of pollution that such things as automobiles and factories cause. Governments can pass and enforce laws that (40)_________ businesses and individuals to stop or cut down on certain polluting activities.
Câu 1: (31)
Câu 2: (32)
Câu 3: (33)
Câu 4: (34)
Câu 5: (35)
Câu 6: (36)
Câu 7: (37)
Câu 8: (38)
Câu 9: (39)
Câu 10: (40)
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