题目

阅读下面短文，根据上下文填入适当的词语，或使用括号中的词语的适当形式填空，并将答案填写在答题卡上标号为31-40的相应位置。 With the _____________ (develop) of industry, air pollution is getting more _________ more serious. In Beijing, many people suffer different kinds of illnesses because ________ air pollution. Air pollution is caused by the following ________[ reason]: about half ________ the problem is caused by vehicles. There are more and more cars, buses on the roads, and they give off poisonous gases. 25% of air pollution is caused by factories. Another factor is the smokers. _________[Smoke] not only does harm to their health but also to others. Besides these, about 10%of air pollution is caused by other reasons. We should take some measures to fight __________ pollution. New fuel[燃料] can ________[use] to replace[代替] gas. We can plant more trees. ________ everybody realizes the importance of environment and does something to stop pollution, ________ problem will be solved. 答案：【小题1】development 【小题2】and 【小题3】of 【小题4】reasons 【小题5】of   【小题6】Smoking 【小题7】against 【小题8】be used 【小题9】If 【小题10】the 解析: 略

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