Withthedevelopmentof41

问题详情：

With the development of 41______(industrial), air pollution is getting more and more serious. In Beijing, many people suffer from different kinds of illnesses because 42_______ air pollution.

Air pollution is caused by the following 43_______(reason): about half of the problem is caused by vehicles. There are more and more cars and buses on the road, and they give off 44______(poison) gases. 25% of air pollution is caused by factories. Another factor is the smokers. Smoking not only does harm to their health 45______ to others. 46______ , about 10% of air pollution is caused by other reasons.

We should take some measures 47_____fight against pollution. New fuel can be used to take 48_____ place of gas. We can plant more trees. If everybody realizes the 49_____(important) of environment protection and does something to stop pollution, the problem will 50________(solve).

【回答】

41. industry  42. of  43. reasons  onous  45. but (also)    46. Besides  47. to   48. the   49. importance  50. be solved

知识点：语法填空

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