2010年12月英语四级考前每日一练(7)

文章作者 100test 发表时间 2011:03:18 04:29:45
来源 100Test.Com百考试题网

Directions: There are 2 passages in this section. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A), B), C) and D).You should decide on the best choice and mark the corresponding letter on Answer Sheet 2 with a single line through the centre.

　　57. In order to control air pollution in the past years, the EU has tried to _____.
　　A) impose strict laws on pollution control
　　B) cut down on the number of vehicles
　　C) restrict the sources of nitrogen oxides
　　D) trim the discharge of car exhausts
　　58. According to the EEA, what is the second most important source of PM10 and PM2.5 particles?
　　A) Air pollution.
　　B) Nitrogen oxide.
　　C) Road transport.
　　D) Organic, compounds.
　　59. What can we infer about "eutrophication"?
　　A) It is resulted from air pollution.
　　B) It comes from oxygen production.
　　C) it brings about air pollution.
　　D) It brings about oxygen production.
　　60. The campaign group T