Read the passage below and choose the answer which best fits each gap.
Write your answer (A, B, C, or D) in the space given on the right. (10 pts)
Everyone wants to reduce pollution. But the pollution (1) is as complicated as it is serious. It is complicated (2) much pollution is caused by things that benefit people. For example, (3) from automobiles causes a large percentage of all air pollution. But the automobiles (4) transportation for millions of people. Factories (5) much of material that pollutes air and water, but factories give employment to a large number of people.
Thus, to end (6) greatly reduce pollution immediately, people would have to stop using many things that (7) 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 the amount of pollution that such things as automobiles and factories cause. Governments can pass and enforce laws that (9) businesses and (10) to stop, or cut down on certain polluting activities.
1. A. work B. problem C. accident D. event
2. A. because B. so C. that D. while
3. A. exhaust B. fire C. gas D. liquid
4. A. carries B. takes C. gives D. provides
5. A. offer B. bring C. discharge D. cause
6. A. to B. or C. so D. that
7. A. benefit B. harm C. motivate D. encourage
8. A. little B. gradually C. extremely D. a bit
9. A. require B. forbid C. prevent D. request
A. commercials B. surroundings C. individuals D. traffic