[外语类试卷]大学英语四级改革适用(阅读)模拟试卷328及答案与解析.doc
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1、大学英语四级改革适用(阅读)模拟试卷 328及答案与解析 Section C 0 Cars and other road vehicles are the single main source of harmful nitrogen oxides. Road transport remains the biggest source of harmful air pollution in the EU despite efforts to reduce emissions over the past decades. A report published by the European Envi
2、ronment Agency (EEA) shows that it is the single main source of nitrogen oxides, carbon monoxide and non-methane volatile organic compounds. It is also the second most important source of PM10 and PM2.5 particles. As well as road transport, manufacturing industries, construction, the residential sec
3、tor and agriculture are the main sources of air pollution in Europe today, the agency said. The EEA said: “Particulate matter from sources such as vehicle exhausts and residential heating can affect the lungs and harm people of all ages, but it is known to pose an extra risk to those with existing h
4、eart and respiratory problems.“ “Air pollutants are also responsible for the acidification of forests and water ecosystems, and eutrophication of soils and waters leading to a limited supply of oxygen in rivers and lakes.“ A spokesperson for campaign group T hungry enemies are fooled into avoiding t
5、hem. 11 Insects can be found in large amounts in the following places EXCEPT_. ( A) on the mountains with little air ( B) in the cold polar areas ( C) in the hot desert areas ( D) in the open oceans 12 Insects protect themselves from chemicals by_. ( A) hiding in tiny spaces ( B) having a strong she
6、ll ( C) flying away when necessary ( D) changing colors or shapes 13 Some insects disguise like natural objects so as to _. ( A) frighten away their enemies ( B) avoid being discovered ( C) send warning signals ( D) look bitter-tasting 14 The passage mentions that insects_. ( A) can be found in any
7、extreme environments ( B) have survived longer than any other creatures ( C) can be fed on any natural or man-made foods ( D) are important for the growth of crops and flowers 15 The passage is mainly about_. ( A) how insects survive in different places ( B) why insects can survive so successfully (
8、 C) what insects can do to the environment ( D) where insects can be found in quantity 15 Federal Express is a company that specializes in rapid overnight delivery of high-priority packages. The first company of its type, Federal Express was founded by the youthful Fred Smith in 1971, when he was on
9、ly 28 years old. Smith had actually developed the idea for the rapid delivery service in a term paper for an economics class when he was a student at Yale University. The term paper received a less-than-stellar grade because of the infeasibility of the project that Smith had outlined. The model that
10、 Smith proposed had never been tried; it was a model that was efficient to operate but at the same time very difficult to institute. Smith achieved efficiency in his model by designing a system that was separate from the passenger system and could, therefore, focus on how to deliver packages most ef
11、ficiently. His strategy was to have his own planes so that he could create his own schedules and to ship all packages through the centralized hub city of Memphis, a set-up which resembles the spokes (轮辐 ) on the wheel of a bicycle. With this combination of his own planes and hub set-up, he could get
12、 packages anywhere in the United States overnight. What made Smiths idea difficult to institute was the fact that the entire system had to be created before the company could begin operations. He needed a fleet of aircraft to collect packages from airports every night and deliver them to Memphis, wh
13、ere they were immediately sorted and flown out to their new destinations; he needed a fleet of trucks to deliver packages to and from the various airports; he needed facilities and trained staff all in place to handle the operation. Smith had a $4 million inheritance from his father, and he managed
14、to raise an additional 91 million dollars from venture capitalists to get the company operating. 16 The most appropriate title for this passage is “_“. ( A) The Problems and Frustrations of a Business Student ( B) The Importance of Business Studies ( C) The Capitalization of Federal Express ( D) The
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