【学历类职业资格】自考英语(二)模拟试卷34及答案解析.doc
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1、自考英语(二)模拟试卷 34 及答案解析(总分:102.00,做题时间:90 分钟)一、阅读判断(总题数:1,分数:20.00)Stomach Ulcer Stomach ulcers(溃疡) are the cause of severe pain for many people. Doctors have been able to help lessen the pain of ulcers. They could not cure them. Now doctors have discovered a cause of ulcers. This means they may have f
2、ound a way to cure people who suffer from the stomach pain. Studies show that ten percent of the population will develop an ulcer at some time in their life. So a possible cure is good news for many people. Ulcers are wounds in the stomach that are similar to small cuts or tears. These wounds can ha
3、rm the tissue (生物组织) in the stomach, the pipe that carries the food to the stomach or parts of the small intestines (肠). Fluids (液体) in the stomach then increase the pain of an ulcer. How does a person know he or she has an ulcer? Doctors say most people with ulcers feel a burning pain in their ches
4、t or stomach. This pain often is called heart-burn. It usually happens before eating or during the night. It causes some people to lose their desire to eat, or they are unable to keep food in their stomachs. Doctors believed that ulcers were caused by unusually strong stomach fluids, which damaged s
5、tomach tissue. Now they have discovered that most ulcers are caused by a bacterial (细菌的) organism (有机体) called Hillico Bactor Pilorie or H Pilorie. H Pilorie bacteria are what make stomach produce extra stomach fluid. Doctors found that they can kill the bacteria with medicines called antibiotics(抗生
6、素). Health experts say the discovery of a cure for ulcers can save thousands of millions of dollars in medical costs. They also believe curing ulcers will reduce the number of people who develop stomach cancer. The number of people with stomach cancer is very high in Japan, Southeast Asia and parts
7、of Africa. Doctors say a person is more likely to get an ulcer if someone in his or her family has had one. In fact a person with the family history of ulcers is three times more likely to get one than other people. There are ways people can protect themselves from developing an ulcer. Doctors say i
8、t is more important to reduce the amount of strong fluids in the stomach. To do this, doctors say, people should not smoke cigarettes or drink alcohol. And they say people should reduce tension in their lives.(分数:20.00)(1).Doctors have been able to reduce the pain caused by stomach ulcers.(分数:2.00)A
9、.TrueB.FalseC.Not Given(2).Now doctors can successfully cure stomach ulcers.(分数:2.00)A.TrueB.FalseC.Not Given(3).Some people are likely to suffer from the stomach pain at some time in their life.(分数:2.00)A.TrueB.FalseC.Not Given(4).People with ulcers usually feel a burning pain in their chest or sto
10、mach when they are eating.(分数:2.00)A.TrueB.FalseC.Not Given(5).There has been a change in doctors understanding of the cause of stomach ulcers.(分数:2.00)A.TrueB.FalseC.Not Given(6).Stomach ulcer can lead to stomach cancer.(分数:2.00)A.TrueB.FalseC.Not Given(7).People who eat a lot of spicy food are als
11、o easy to have stomach ulcers.(分数:2.00)A.TrueB.FalseC.Not Given(8).H Pilorie bacteria cannot be killed.(分数:2.00)A.TrueB.FalseC.Not Given(9).If a persons family has had an ulcer, he is three times more likely to get ulcer than people without a family history of ulcers.(分数:2.00)A.TrueB.FalseC.Not Give
12、n(10).Tension in life can increase the likelihood of getting a stomach ulcer.(分数:2.00)A.TrueB.FalseC.Not Given二、阅读选择(总题数:1,分数:10.00)Evolution of Sleep Sleep is very ancient. In the electroencephalographic (脑电图仪的) sense we share it with all the primates(灵长类动物) and almost all the other mammals and bir
13、ds; it may extend back as far as the reptiles (爬行动物). There is some evidence that the two types of sleep, dreaming and dreamless, depend on the life-style of the animal, and that predators(食肉动物) are statistically much more likely to dream than prey, which are in turn much more likely to experience d
14、reamless sleep. In dream sleep, the animal is powerfully immobilized (使固定不动) and remarkably unresponsive to external stimuli. Dreamless sleep is much shallower, and we have all witnessed cats or dogs cocking their ears to a sound when apparently fast asleep. The fact that deep dream sleep is rare am
15、ong prey today seems clearly to be a product of natural selection, and it makes sense that today, when sleep is highly evolved, the stupid animals are less frequently immobilized by deep sleep than the smart ones. But why should they sleep deeply at all? Why should a state of such deep immobilizatio
16、n ever have evolved? Perhaps one useful hint about the original function of sleep is to be found in the fact that dolphins and whales and aquatic mammals in general seem to sleep very little. There is, by and large, no place to hide in the ocean. Could it be that, rather than increasing an animal s
17、vulnerability, the function of sleep is to decrease it? Wilse Webb of the University of Florida and Ray Meddis of London University have suggested this to be the case. It is conceivable that animals who are too stupid to be quiet on their own initiative are, during periods of high risk, immobilized
18、by the implacable arm of sleep. The point seems particularly clear for the young of predatory animals. This is an interesting notion and probably at least partly true.(分数:10.00)(1).The author states that during dream sleep, the animal sleeps_.(分数:2.00)A.without movingB.shallowlyC.intermittentlyD.on
19、its side(2).It can be inferred from the passage that animals that are prey rarely experience dream sleep because they_.(分数:2.00)A.have evolved further than predatorsB.are particularly intelligent animalsC.need less sleep than predatorsD.would be caught if deeply asleep(3).The author suggests that, b
20、ecause there are no hiding places in the oceans, whales and dolphins_.(分数:2.00)A.sleep only when they are very youngB.cannot afford to sleep very muchC.usually dream while awakeD.take turns to sleep(4).The passage is mainly concerned with the_.(分数:2.00)A.types and function of sleepB.psychological ro
21、le of dreamsC.history of reptilian sleep patternsD.influence of evolution on young animals(5).Compared with dreamless sleep, deep dream sleep is_.(分数:2.00)A.not the result of natural selectionB.less likely to appear to monkeysC.more protective to the animalsD.at a higher stage of evolution三、概括段落大意和补
22、全句子(总题数:2,分数:20.00)Radar 1 Children enjoy shouting at a high wall and hearing the sound come back to them. These sounds are called echoes (回声). Echoes have given us a number of valuable tools. 2 Echo sounding devices were early used in making maps of the ocean floor. Sounds or ultrasonic (超声的) sound
23、s make good tools for determining how deep the water is under ships. Sometimes echoes from ultrasonic distance finding devices were prevented from working by fish swimming past or by the presence of large objects. So ultrasonic devices have been replaced by other tools. 3 Radar is now a familiar too
24、l. Like many others it was an unexpected discovery. It was first observed by two researchers, who were studying sound communication. They were sending signals from a station on one side of a river in Washington. DC. to a vehicle across the river. They discovered that their signals were stopped by pa
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