Withthedevelopmentofindustry，airpollutionisgettingmorea...

问题详情：

With the development of industry， air pollution is getting more and more serious. In Shanghai, many people suffer from different kinds of illnesses because    61   

air pollution.

    Air pollution is    62   （main） caused by the following reasons. About half of the problem is caused by vehicles. There are more and more cars and buses on the road，   63    give off    64   （poison） gases. 35% of air pollution is caused by factories.    65    factor is the smokers.    66   （smoke）does harm to others’ health as well as to    67    of the smokers. Besides, about 10% of air pollution is caused by other reasons.

    We should take some measures to fight against pollution. New fuel can be used to take    68    place of gas. We can plant more trees, grass and flowers. All in all, if everybody realizes the    69   （important） of environment and does something to stop pollution, the problem    70   （solve）.

【回答】

61. of  62. mainly  63. which  64. poisonous  65. Another

66. Smoking  67. that  68. the  69. importance  70. will be solved

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