【正文】
ith the (1) ____________ (develop) of industry, air pollution is getting more and more serious. In Beijing, many people suffer different kinds of illnesses because (2) ___________ air pollution. Air pollution is caused by the following (3) _________: about half of the problem is caused by vehicles. There are more and more cars, buses on the roads, and they give off (4) __________ (poison) gases. 25% of air pollution is caused by factories. Another factor is the smokers. Smoking not only does harm to their health (5) __________ to others. (6) _________ these, about 10% of air pollution is caused by other reasons. We should take some measures to fight (7) ____________ pollution. New fuel can be used to take (8) ___________ place of gas. We can plant more trees. If everybody realizes the (9) ___________(important) of environment and does something to stop pollution, the problem will (10) ____________ (solve). 五、完形填空 ,每空 2 分 Our country has many opportunities for adults who want to make their lives better. There are public schools you can 1 _____ . In the schools, you can take things like English, arithmetic and history. You can find classes in almost 2_____ subject you want to study. You may want to learn to type, sew, paint or fix TV sets. You may want to learn more about the trade you are alre