Everyone wants to reduce pollution. But pollution problem is __AS______ (1) complicated as it is serious. It is complicated __BECAUSE______ (2) much pollution is caused by things that benefit people. For example, exhaust ___FROM_____ (3) automobiles causes a large percentage of all air pollution. But automobiles provide transportation for millions of people. Factories discharge much of the material ___WHICH_____ (4) pollutes the air and water, but factories give employment to a large number ___OF_____ (5) people. Too much fertilizer or pesticide can ruin soil, but fertilizers and pesticide are important aids to the growing of crops. Thus, to end or reduce pollution immediately, people would have to stop using many things that benefit ___THEM_____ (6). Most people do not want to do that, of course. But pollution can be gradually reduced in several ways.
Answer the questions: (1.0 pt)
1.What is the passage about?
-> …………………………………………………………………
2.Why is the pollution problem complicated?
-> ………………………………………………………………
3.Do factories discharge a lot of the material that pollutes the water?
-> ……………………………………………………………
4.What would people have to do if they want to reduce pollution?
-> ……………………………………………………………
1.the passage about air pollution.
2.Because the pollution problem is serious
3.yes, it does
4. people stop using many things that benefit them if they want to reduce pollution
