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论文和作业联系qq2019910207或咨询微信15927685953，为了准确获取需要资料请在付费前加qq或微信咨询，请认真核对是您需要的题目后再付费 查找更多国开资料请登录http// 单元自测6（10分） 试卷总分90 得分100 一、选择填空阅读下面的对话或句子，从A、B、C三个选项中选出一个能填入空白处的最佳选项。 1. Susan ,what do you think of my plan _______________ A.It’s reasonable . B.It’s pleasant. C.It’s possible. 2. We have to stay at home for a whole day. Why not go out and have a walk A.It like a good idea. B.It sounds like a good idea. C.How is a good idea. 3.If he persists awkward questions, then send him to the boss. A.in asking B.to ask C.to be asked 4.There is no doubt __________Herbert is the most industrious student in our class. A.whether B.what C.that 5.二、阅读理解阅读下面的短文，根据文章内容从A、B、C三个选项中选出一个最佳选项。 Air pollution People and air pollution are often in the same places. This means that cities with large populations have the biggest problem of dirty air. Air pollution is caused by many different things. A major kind of air pollution is the gas from cars. Statistics 统计资料 show that 93 percent of all auto trips are within cities. Another major kind of dirty air is the burning of coal and oil for energy. This energy is needed to make electricity. Of course, much more electricity is used in the city than in the country. On the average, we throw away more rubbish than the year before. The burning of rubbish makes air pollution even worse. Many major industries are also responsible for the dirty air in the around cities. The fumes 烟 from iron, steel, chemical, and petrol production add particles 微粒 to the air. The effects of air pollution range from mild headaches to death. The levels of pollution found in heavy traffic may cause headaches for loss of clear vision. Wherever coal and oil are used for fuel, fumes may kill trees and plants and cause metal to corrode 腐蚀. In some of the larger cities, these fumes endanger the lives of human beings by contributing to lung diseases and causing early death. The key point of the passage is that 1 . A．the cause of air pollution is people B．the causes and the effects of air pollution are both found in cities C．the effects of air pollution range from headaches to death 2. What is the purpose of this passage 2 A．to persuade people to stop polluting the air B．to tell the causes of air pollution C．to tell why cities are bad places to live 3. Why is air pollution more grave in the city than in the country 3 A．Because there are larger populations in cities. B．Because the air in the city is dirty. C．Because there are much more gas fumes from cars and burning of coal and oil for energy in the city than in the country. 4. The fumes from coal and oil may cause metal 4 . A．to corrode B．to twist C．to turn black 5. In larger cities, the fumes from coal and oil may contribute to 5 . A．heart disease B．loss of clear vision C．lung diseases 1.__1__ A.A B.B C.C 2.__2__ A.A B.B C.C 3.__3__ A.A B.B C.C 4.__4__ A.A国开答案请进 或请联系 B.B C.C 5.__5__ A.A B.B C.C
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