[外语类试卷]大学英语四级模拟试卷365及答案与解析.doc
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1、大学英语四级模拟试卷 365及答案与解析 一、 Part I Writing (30 minutes) 1 For this part you are allowed 30 minutes to write a composition on the topic: Lectures and Discussions. You should write at least 120 words following the outline given below in Chinese. 1. 一些学生赞成讲座 式教学 2. 另一些学生偏爱讨论式教学 3. 你的看法 二、 Part II Reading C
2、omprehension (Skimming and Scanning) (15 minutes) Directions: In this part, you will have 15 minutes to go over the passage quickly and answer the questions attached to the passage. For questions 1-7, mark: Y (for YES) if the statement agrees with the information given in the passage; N (for NO) if
3、the statement contradicts the information given in the passage; NG (for NOT GIVEN) if the information is not given in the passage. 1 Can Drugs Make Us Happier? Samrter? It depends on what is meant by “happy“ and “smart.“ There are already drugs that brighten moods, like Prozac, and other antidepress
4、ants that control levels of a brain chemical called serotonin. While originally meant to treat depression, these drugs have been used for other psychological conditions like shyness and anxiety and even by otherwise healthy people to feel better about themselves. But is putting people in a better mo
5、od really making them happy? People can also drown their sorrows in alcohol or get a euphoric feeling using narcotics, but few people who do so would be called truly happy. The Presidents Council on Bioethics said in a recent report that while antidepressants might make some people happier, they can
6、 also substitute for what can truly bring happiness: a sense of satisfaction with ones identity, accomplishments and relationships. “In tike pursuit of happiness human beings have always worried about falling for the appearance of happiness and missing its reality,“ the council wrote. It added, “Yet
7、 a fraudulent happiness is just what the pharmacological management of our mental lives threatens to confer upon us.“ Now the race is on to develop pills to make people smarter, at least in one sense. These drugs, several of them already in clinical trials, aim at memory loss that occurs in people w
8、ith Alzheimers disease or a precursor called mild cognitive impairment. But it is lost on no one that if a memory drug works and is safe, it may one day be used by healthy people to learn faster and remember longer. Studies have already shown that animals can be made to do both whelk the activity of
9、 certain genes is increased or decreased. Dr. Tom Fully, a professor at Cold Spring Harbor Laboratory, created genetically engineered fruit flies that he said had “photographic memory.“ In one session, he said, they could learn something that took normal flies 10 sessions. “It immediately convinced
10、everyone that memory was going to be just another biological process,“ Dr. Tully said. “Theres nothing special about it. That meant that it was going to be treatable and manip-ulable.“ But experts say that improving memory will not necessarily make one smarter, in the sense of I.Q. , let alone in wi
11、sdom. “It would be a mistake to think that drugs that have an impact on memory necessarily will have an effect on intelligence,“ said Dr. Daniel L. Schachter, chairman of psychology at Harvard. Dr. Tully, who is also acting chief scientific officer of Helicon Therapeutics, which is developing memory
12、 pills, agreed. “You dont think better than you did before, he said. “You just get the facts in with less practice. Still, he said, that would be significant help to students at exam time. Any pill used widely by healthy people to improve memory would have to be extremely safe, so that the risks wou
13、ld not outweigh the benefit. Psychological side effects also remain a possibility. “Is it a good thing to remember everything?“ Dr. Tully asked. Could a brain too crammed with information suffer some sort of overload? Dr. Joe Z. Tsien, a professor of molecular biology at Princeton who genetically en
14、gineered smarter mice a few years ago, says he is skeptical that the results can be transferred to people. “If you look at how people improve their brain power, its through education,“ he said. “That has proven to have 100 percent efficiency with minimal side effects.“ 2 There are already antidepres
15、sants that control levels of a brain chemical called serotonin. ( A) Y ( B) N ( C) NG 3 In the pursuit of happiness human beings have always worried about missing its reality. ( A) Y ( B) N ( C) NG 4 Animals can be made to do both when the activity of certain genes is doubled. ( A) Y ( B) N ( C) NG
16、5 It would be a mistake to think that drugs that have an impact on memory necessary will have an effect on intelligence. ( A) Y ( B) N ( C) NG 6 Helicon Therapeutics was established in 1965. ( A) Y ( B) N ( C) NG 7 Dr. Tully is also acting chief technological officer of Helicon Therapeutics. ( A) Y
17、( B) N ( C) NG 8 Dr. Joe Z Tsien is a professor of mloecular biology at Harvard. ( A) Y ( B) N ( C) NG 9 Now the race is on to develop pills to make people smarter, at least _. 10 Dr. Tully created genetically engineered fruit flies that he said had“ _.“ 11 Any pill used widely by healthy people to
18、improve memory, would have to be _. Section A Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the conversation and the questions will be spoken only once. After e
19、ach question there will be a pause. During the pause, you must read the four choices marked A, B, C and D, and decide which is the best answer. ( A) It is about to start raining. ( B) The rain will stop soon. ( C) It has been raining all day. ( D) It just stopped raining. ( A) Cell phones are more c
20、onvenient when they are smaller. ( B) He should change his thinking and understand that smaller phones are better. ( C) He should accept the fashion. ( D) Cell phones are not worth buying these days. ( A) Japanese. ( B) Arabic. ( C) Spanish. ( D) Chinese. ( A) The food at the new restaurant is not v
21、ery good. ( B) He has not been to the new restaurant yet. ( C) He would like to go to the new restaurant with the woman. ( D) A restaurants atmosphere is very important to him. ( A) She isnt sure about where things are on campus. ( B) The man should not ask the registration office. ( C) The registra
22、tion is outside of the building. ( D) The people outside are very good to ask. ( A) The fault was the University. ( B) The man should have seen the light. ( C) The lights were net working that night. ( D) There were lights there since she has seen them. ( A) Jennifer is wearing a bandage over her le
23、g. ( B) Jennifer will be a runner. ( C) Jennifers brother hit her in the leg. ( D) Jennifer tried to climb the tree. ( A) Lending something to a student. ( B) Reading a students application. ( C) Asking for some financial aid. ( D) Borrowing money for a business. ( A) They re classmates. ( B) They r
24、e roommates. ( C) They re cousins. ( D) They re lab partners. ( A) He couldnt decide on a topic for his paper. ( B) He thought his paper was late. ( C) He hadnt heard from his family in a while. ( D) He thought the woman had been ill. ( A) Visit his parents. ( B) Write a paper. ( C) Observe how bees
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- 外语类 试卷 大学 英语四 模拟 365 答案 解析 DOC
