[考研类试卷]在职艺术硕士(MFA)全国联考英文阅读理解模拟试卷28及答案与解析.doc
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1、在职艺术硕士(MFA )全国联考英文阅读理解模拟试卷 28 及答案与解析一、英文阅读理解题0 Why does cream go bad faster than butter? Some researchers think they have the answer, and it comes down to the structure of the food, not its chemical compositiona finding that could help rid some processed foods of chemical preservatives.Cream and but
2、ter contain pretty much the same substances, so why cream should sour much faster has been a mystery. Both are emulsionstiny globules (小球体) of one liquid evenly distributed throughout another. The difference lies in whats in the globules and whats in the surrounding liquid, says Brocklehurst, who le
3、d the investigation.In cream, fatty globules drift about in a sea of water. In butter, globules of a watery solution are locked away in a sea of fat. The bacteria which make the food go bad prefer to live in the watery regions of the mixture. “This means that in cream, the bacteria are free to grow
4、throughout the mixture,“ he says.When the situation is reversed, the bacteria are locked away in compartments (隔仓 室)buried deep in the sea of fat. Trapped in this way, individual colonies cannot spread and rapidly run out of nutrients (养料). They also slowly poison themselves with their waste product
5、s. “In butter, you get a self-limiting system which stops the bacteria growing,“ says Brocklehurst.The researchers are already working with food companies keen to see if their products can be made resistant to bacterial attack through alterations to the foods structure. Brocklehurst believes it will
6、 be possible to make the emulsions used in salad cream, for instance, more like that in butter. The key will be to do this while keeping the salad cream liquid and not turning it into a solid lump. (292 words)1 The significance of Brocklehursts research is that_.(A)it suggested a way to keep some fo
7、ods fresh without preservatives(B) it discovered tiny globules in both cream and butter(C) it revealed the secret of how bacteria multiply in cream and butter(D)it found that cream and butter share the same chemical composition2 According to the researchers, cream sours faster than butter because ba
8、cteria(A)are more evenly distributed in cream(B) multiply more easily in cream than in butter(C) live on less fat in cream than in butter(D)produce less waste in cream than in butter3 According to Brocklehurst, we can keep cream fresh by_.(A)removing its fat(B) killing the bacteria(C) reducing its w
9、ater content(D)altering its structure4 The word “colonies“ (Line 2, Para. 4) refers to_.(A)tiny globules(B) watery regions(C) bacteria communities(D)little compartments5 Commercial application of the research finding will be possible if salad cream can be made resistant to bacterial attack_.(A)by va
10、rying its chemical composition(B) by turning it into a solid lump(C) while keeping its structure unchanged(D)while retaining its liquid form5 Unless we spend money to spot and prevent asteroids (小行星) now, one might crash into Earth and destroy life as we know it, say some scientists.Asteroids are bi
11、gger versions of the meteoroids (流星) that race across the night sky. Most orbit the sun far from Earth and dont threaten us. But there are also thousands of asteroids whose orbits put them on a collision course with Earth.Buy $ 50 million worth of new telescopes right now. Then spend $ 10 million a
12、year for the next 25 years to locate most of the space rocks. By the time we spot a fatal one, the scientists say, well have a way to change its course.Some scientists favor pushing asteroids off course with nuclear weapons. But the cost wouldnt be cheap.Is it worth it? Two things experts consider w
13、hen judging any risk are: 1) How likely the event is; and 2) How bad the consequences are if the event occurs. Experts think an asteroid big enough to destroy lots of life might strike Earth once every 500, 000 years. Sounds pretty rarebut if one did fall, it would be the end of the world. “If we do
14、nt take care of these big asteroids, theyll take care of us,“ says one scientist. “Its that simple. “The cure, though, might be worse than the disease. Do we really want fleets of nuclear weapons sitting around on Earth? “The world has less to fear from doomsday (毁灭 性的)rocks than from a great nuclea
15、r fleet set against them,“ said a New York Times article. (272 words)6 What does the passage say about asteroids and meteoroids?(A)They are heavenly bodies different in composition.(B) They are heavenly bodies similar in nature.(C) There are more asteroids than meteoroids.(D)Asteroids are more myste
16、rious than meteoroids.7 What do scientists say about the collision of an asteroid with Earth?(A)It is very unlikely but the danger exists.(B) Such a collision might occur once every 25 years.(C) Collisions of smaller asteroids with Earth occur more often than expected.(D)Its still too early to say w
17、hether such a collision might occur.8 What do people think of the suggestion of using nuclear weapons to alter the courses of asteroids?(A)It sounds practical but it may not solve the problem.(B) It may create more problems than it might solve.(C) It is a waste of money because a collision of astero
18、ids with Earth is very unlikely.(D)Further research should be done before it is proved applicable.9 We can conclude from the passage that_.(A)while pushing asteroids off course nuclear weapons would destroy the world(B) asteroids racing across the night sky are likely to hit Earth in the near future
19、(C) the worry about asteroids can be left to future generations since it is unlikely to happen in our lifetime(D)workable solutions still have to be found to prevent a collision of asteroids with Earth10 Which of the following best describes the authors tone in this passage?(A)Optimistic.(B) Critica
20、l.(C) Objective.(D)Arbitrary.10 Amtrak (美国铁路客运公司 ) was experiencing a downswing in ridership (客运量) along the lines comprising its rail system. Of major concern to Amtrak and its advertising agency DDB Needham, were the long-distance western routes where ridership had been declining significantly.At
21、one time, trains were the only practical way to cross the vast areas of the west. Trains were fast, very luxurious, and quite convenient compared to other forms of transportation existing at the time. However, times change and the automobile became Americas standard of convenience. Also, air travel
22、had easily established itself as the fastest method of traveling great distances. Therefore, the task for DDB Needham was to encourage consumers to consider other aspects of train travel in order to change their attitudes and increase the likelihood that trains would be considered for travel in the
23、west.Two portions of the total market were targeted; 1) anxious fliersthose concerned with safety, relaxation, and cleanliness and 2) travel-loversthose viewing themselves as relaxed, casual, and interested in the travel experience as part of their vacatioa The agency then developed a campaign that
24、focused on travel experiences such as freedom, escape, relaxation, and enjoyment of the great western outdoors. It stressed experiences gained by using the trains and portrayed western train trips as wonderful adventures.Advertisements showed pictures of the beautiful scenery that could be enjoyed a
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