Everyone wants to reduce pollution ( sự ô nhiễm ). But the pollution problem is (1)______ complicated ( phức tạp ) as it is serious. It is complicated (2)______ much pollution is caused by things that benefit people. (3)______, exhaust ( sự thải khí ) from automobiles ( oto) causes a large percentage of air pollution. But the automobile (4)______ transportation for millions of people. Factories discharge ( thải ) much (5)______ the material that pollutes the air and water, but factories give employment to a large number of people. Thus ( vì vậy ), to end (6)_______ greatly reduce pollution immediately, people would have to (7)______ using many things that benefit them. Most of the people do not want to do that, of course. But pollution can be (8)______ reduced in several ways. Scientists and engineers can work to find ways to lessen ( làm nhỏ đi ) the (9)______ of pollution that such things as automobiles and factories cause. Governments can pass and enforce ( làm cho có hiệu lực) laws that (10)______ businesses and traffic to stop, or to cut down on certain polluting activities. Câu 1: A. as B. more C. less D. like Câu 2: A. so B. while C. though D. because Câu 3: A. Specific B. For example C. Such as D. Like Câu 4: A. takes B. affords C. carries D. provides Câu 5: A. about B. for C. of D. with Câu 6: A. or B. and C. as well D. then Câu 7: A. start B. continue C. stop D. go on Câu 8: A. carefully B. unexpectedly C. gradually D. little Câu 9: A. way B. figure C. number D. amount Câu 10: A. forbid B. prevent C. request D. require
Posted on: Thu, 08 Jan 2015 07:05:01 +0000
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