大学英语四级分类模拟题496及答案解析.doc

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1、大学英语四级分类模拟题 496 及答案解析(总分：121.00，做题时间：90 分钟)一、Part Writing(总题数：1，分数：20.00)1.Directions: For this part, you are allowed 30 minutes to write a composition on the topic: On Psychological Problems according to the outline given below in Chinese. You should write at least 120 words but not more than 180 w

2、ords. Write your essay on Answer Sheet 1. （分数：20.00）_二、Part Reading Compr(总题数：0，分数：0.00)四、Passage One(总题数：1，分数：10.00)A very interesting and important development in science is a device called laser. A laser is a machine which produces a light beam. The light produced by a laser is a very special kin

3、d of light. The light, called laser beam, is powerful and can be made to do many things. The laser was first developed in 1960, about half a century ago. There are many different uses for lasers and several different types have been developed. Some use gases to produce the light beam. The gases are

4、heated and cooled, and these processes cause the gases to produce energy in the form of light. One special point of lasers is that the light beam can be stored. If the stored light is then suddenly let go, it is extremely powerful. The light from a laser beam can be used either by storing it and let

5、ting it go suddenly, or by using it in a continuous stream. There are three important areas where the control of the laser beam has been put into use by scientists. These areas are industry, communications, and medicine. In each area, the scientists have been able to use the laser to do things that

6、they could not do in another way. The laser has been very helpful. In industry, the laser beam has been used for measurement and drilling. When something large is being builtfor example, a large bridgeit is important to have very accurate measurements. By accurate measurement, lasers are also helpfu

7、l in laying down pipelines over long distances. As lasers become more common in industry, there will be more and more uses for them.（分数：10.00）(1).A laser beam is _.（分数：2.00）A.a light produced half a century agoB.powerful and has many usesC.a very important deviceD.a kind of light from space(2).What

8、is one special point of lasers?（分数：2.00）A.It“s possible to store the light beam.B.The gases are heated and cooled.C.There are some different types of lasers.D.They can use the beam in a continuous stream.(3).The laser beam can be used _.（分数：2.00）A.only in the areas of constructionB.to cure a patient

9、 of a diseaseC.in a few areas because it“s not so powerfulD.to do whatever people want to(4).What is important in building large things?（分数：2.00）A.To drill holes accurately.B.To lay down long pipelines.C.To cut pipes by lasers.D.To measure accurately.(5).The best title for the passage is _.（分数：2.00）

10、A.The LightB.The LaserC.A Laser BeamD.The use of Laser五、Passage Two(总题数：1，分数：71.00)Attention couch potatoes: you may want to take this opportunity to curl up with your stack of remotes and commit to memory that feeling of pressing a button under your thumb. According to Chris Brown, vice president o

11、f the International Digital Media Alliance, “The remote control as you know it is an endangered species.“ Companies are developing devices to keep up with our channel-surfing habits du jour (今日特色的), which means rethinking the structure of the remote. To cope with the abundance of channels now availa

12、ble, TiVo recently unveiled the Slide, a $90 device complete with a retractable QWERTY keyboard to eliminate the agonising “typing“ on your standard remote as you search for a particular movie or Jersey Shore marathon you would like to record. The Slide isn“t a universal remote, but it is certainly

13、a step toward efficiency, using the kind of mini-keyboard popularised by Samsung and other mobile-phone makers. Vizio has released a similar remote for its line of HDTVs, and Boxee, a TV-to-Internet set-top connector, is set to ship with its own QWERTY remote this year. As more consumers fall in lov

14、e with the breezy usability of smart phones, some of us have stopped looking under couch cushions for dedicated remotes and instead are simply reaching into our pockets. Apps like RedEye (free for the iPhone and iPod Touch) and plug-ins like New Kinetix ($70) turn mobile devices into one-size-fits-a

15、ll controlling devices and yes, they will change the channel. Ident Technology already has a prototype (雏形) in the works for a button-flee gesture remote controlled by slides and taps of the thumb on a touchscreen surface that will feel very familiar to iPhone users. “The remotes you“ll buy in 10 ye

16、ars are all going to have a touchscreen,“ says Brown. “There won“t be devices with buttons. You won“t get that tactile (触觉的) sensation.“ With any luck, you won“t get coffee-table pileups either. “I think we have four or five remotes for all of our devices,“ says Brie Cubelic, 26, who works in theate

17、r in Birmingham, Ala. “One for the TV, one for cable, one for surround sound, one for the DVD player and one for. Well, I“m not sure what it does.“ The hope is that as remotes become more like smart phones, a simple download can make them control every new device you buy. Assuming, of course, you ca

18、n figure out how to use them.（分数：71.00）(1).What message does the author intend to convey in the first paragraph?（分数：14.20）A.Couch potatoes shouldn“t spend so much time watching screens.B.Couch potatoes will hate the feeling of pressing buttons on remotes.C.Remotes are going into a new era in terms o

19、f their structure and function.D.A new device is invented to help couch potatoes stay away from screens.(2).What is said about the new device “Slide“?（分数：14.20）A.It“s very popular among couch potatoes.B.It“s more efficient than standard remotes.C.It could record the programmes people like.D.It could

20、 connect a TV set to the Interact.(3).The remotes Ident Technology may produce are akin to iPhone in the aspect that they _.（分数：14.20）A.adopt the QWERTY keyboardB.consist of Blue Tooth devicesC.can control several devicesD.can be used without pressing buttons(4).Brie Cubelic could hope that in the f

21、uture, remotes will _.（分数：14.20）A.make people“s life more convenientB.confuse people by different functionsC.be particularly popular among young peopleD.become smart and button-flee devices(5).What is the author“s attitude towards the remotes more like smart phones?（分数：14.20）A.Critical.B.Cautious.C.

22、Indifferent.D.Interested.六、Part Translation(总题数：1，分数：20.00)2.京剧脸谱 (the facial makeup of Beijing Opera)是具有民族特色的一种独特的化妆方法。它最大的特点在于借助不同的色彩来展示人物的性格。脸谱的颜色使观众对人物的善恶美丑一目了然。通常红色代表忠诚；黑色象征正直；紫色意味公正；黄色喻示 残暴 (brutality)。此外，脸谱还常常带有 图案 (design)来表述某个故事，比如后羿脸谱上有九个太阳，表明他曾经用箭射掉了九个太阳。 （分数：20.00）_大学英语四级分类模拟题 496 答案解析(总

23、分：121.00，做题时间：90 分钟)一、Part Writing(总题数：1，分数：20.00)1.Directions: For this part, you are allowed 30 minutes to write a composition on the topic: On Psychological Problems according to the outline given below in Chinese. You should write at least 120 words but not more than 180 words. Write your essay

24、on Answer Sheet 1. （分数：20.00）_正确答案：()解析：参考范文 On Psychological ProblemsNowadays psychological health has aroused the wide concern among people because psychological problems lead to growing suicides, murders and other abnormal incidents which are frequently reported. However, why are more and more pe

25、ople being sunk into the mental-health problems? The following reasons might account for that. Firstly, the state of being unemployed brings so heavy a burden to the jobless, which is so likely to cause pain and even torture in their inner heart. Secondly, fierce competition from work or study puts

26、intensive pressure on the majority of the salary man or students, which also possibly causes mental illness. Thirdly, the gap between the rich and the poor differentiation is still broadened, which engenders much hurt to the vulnerable ones. This negative impact may cause psychological imbalance. Ov

27、er time those pressures taken for granted may push people into endless desperation which is likely to further cause mental problems. What measures should be taken to keep psychologically healthy? More psychological counseling rooms and lessons should be opened to ensure adequate communication access

28、ible to people in order to release their penetrating pressure. 解析 1第一段考生首先需明确指出如今心理健康已引起人们的广泛关注，这与心理问题导致一系列频繁迭起的社会惨案息息相关。心理问题带来的巨大危害毋庸置疑，然而，需提出关键性疑问：为什么越来越多的人存在心理问题? 2第二段考生需围绕“为何越来越多的人存在心理问题”这一社会话题理性分析其成因，譬如：失业压力、竞争压力及贫富分化等等。继而进一步指出这些司空见惯的日常压力久而久之便会导致心理失衡，造成心理问题。 3第三段考生应开门见山并简明扼要地提出：我们需采取有力措施有效舒缓人们的

29、心理重担，比如增设心理咨询室及心理课程，以便对人们的心理压力进行及时疏导。二、Part Reading Compr(总题数：0，分数：0.00)四、Passage One(总题数：1，分数：10.00)A very interesting and important development in science is a device called laser. A laser is a machine which produces a light beam. The light produced by a laser is a very special kind of light. The

30、light, called laser beam, is powerful and can be made to do many things. The laser was first developed in 1960, about half a century ago. There are many different uses for lasers and several different types have been developed. Some use gases to produce the light beam. The gases are heated and coole

31、d, and these processes cause the gases to produce energy in the form of light. One special point of lasers is that the light beam can be stored. If the stored light is then suddenly let go, it is extremely powerful. The light from a laser beam can be used either by storing it and letting it go sudde

32、nly, or by using it in a continuous stream. There are three important areas where the control of the laser beam has been put into use by scientists. These areas are industry, communications, and medicine. In each area, the scientists have been able to use the laser to do things that they could not d

33、o in another way. The laser has been very helpful. In industry, the laser beam has been used for measurement and drilling. When something large is being builtfor example, a large bridgeit is important to have very accurate measurements. By accurate measurement, lasers are also helpful in laying down

34、 pipelines over long distances. As lasers become more common in industry, there will be more and more uses for them.（分数：10.00）(1).A laser beam is _.（分数：2.00）A.a light produced half a century agoB.powerful and has many uses C.a very important deviceD.a kind of light from space解析：解析 细节题。根据短文第一段第四句 The

35、 light, called a laser beam, is powerful and can be made to do many things. 可知选项 B 正确。(2).What is one special point of lasers?（分数：2.00）A.It“s possible to store the light beam. B.The gases are heated and cooled.C.There are some different types of lasers.D.They can use the beam in a continuous stream.

36、解析：解析 细节题。短文第二段中间明确指出 One special point of laser is that the light beam can be stored. 故答案为 A。(3).The laser beam can be used _.（分数：2.00）A.only in the areas of constructionB.to cure a patient of a disease C.in a few areas because it“s not so powerfulD.to do whatever people want to解析：解析 推断题。使用排除法。根据短文

37、第三段内容可知选项 A、C、D 都不符合文中表述，所以都可排除。而根据 These areas.and medicine，可推断选项 B 正确。(4).What is important in building large things?（分数：2.00）A.To drill holes accurately.B.To lay down long pipelines.C.To cut pipes by lasers.D.To measure accurately. 解析：解析 细节题。文章最后一段第二句指出 When something large is being builtfor exam

38、ple, a large bridgeit is important to have very accurate measurements. 即激光在建造大型建筑物时发挥重要作用，因为它可以精确测量。故选 D。(5).The best title for the passage is _.（分数：2.00）A.The LightB.The LaserC.A Laser Beam D.The use of Laser解析：解析 主旨题。通读全文可知，全文通篇在讲 laser beam，并介绍了它的来源和用途。由此可知，选项 C 正确。五、Passage Two(总题数：1，分数：71.00)At

39、tention couch potatoes: you may want to take this opportunity to curl up with your stack of remotes and commit to memory that feeling of pressing a button under your thumb. According to Chris Brown, vice president of the International Digital Media Alliance, “The remote control as you know it is an

40、endangered species.“ Companies are developing devices to keep up with our channel-surfing habits du jour (今日特色的), which means rethinking the structure of the remote. To cope with the abundance of channels now available, TiVo recently unveiled the Slide, a $90 device complete with a retractable QWERT

41、Y keyboard to eliminate the agonising “typing“ on your standard remote as you search for a particular movie or Jersey Shore marathon you would like to record. The Slide isn“t a universal remote, but it is certainly a step toward efficiency, using the kind of mini-keyboard popularised by Samsung and

42、other mobile-phone makers. Vizio has released a similar remote for its line of HDTVs, and Boxee, a TV-to-Internet set-top connector, is set to ship with its own QWERTY remote this year. As more consumers fall in love with the breezy usability of smart phones, some of us have stopped looking under co

43、uch cushions for dedicated remotes and instead are simply reaching into our pockets. Apps like RedEye (free for the iPhone and iPod Touch) and plug-ins like New Kinetix ($70) turn mobile devices into one-size-fits-all controlling devices and yes, they will change the channel. Ident Technology alread

44、y has a prototype (雏形) in the works for a button-flee gesture remote controlled by slides and taps of the thumb on a touchscreen surface that will feel very familiar to iPhone users. “The remotes you“ll buy in 10 years are all going to have a touchscreen,“ says Brown. “There won“t be devices with bu

45、ttons. You won“t get that tactile (触觉的) sensation.“ With any luck, you won“t get coffee-table pileups either. “I think we have four or five remotes for all of our devices,“ says Brie Cubelic, 26, who works in theater in Birmingham, Ala. “One for the TV, one for cable, one for surround sound, one for

46、 the DVD player and one for. Well, I“m not sure what it does.“ The hope is that as remotes become more like smart phones, a simple download can make them control every new device you buy. Assuming, of course, you can figure out how to use them.（分数：71.00）(1).What message does the author intend to con

47、vey in the first paragraph?（分数：14.20）A.Couch potatoes shouldn“t spend so much time watching screens.B.Couch potatoes will hate the feeling of pressing buttons on remotes.C.Remotes are going into a new era in terms of their structure and function. D.A new device is invented to help couch potatoes sta

48、y away from screens.解析：解析 根据题干中的 in the first paragraph 将本题出处定位于第 1 段。 第 1 段主要是说电视迷们可以收起传统遥控器了，“你所了解的遥控器已经要濒临灭亡了”。接着第 2 段介绍了各个公司推出的新型遥控器。由此可知，第 1 段是为了说明遥控器即将进入新的时代，故答案为C。(2).What is said about the new device “Slide“?（分数：14.20）A.It“s very popular among couch potatoes.B.It“s more efficient than standard remotes. C.It could record the programmes people like.D.It could connect a TV set to the Interact.解析：解析 根据题干中的 Slide 将本题出处定位于第 3 段。 第 3 段提到，Slide 还并不通用，但是它确实更高效。由此可知 B 是对原文的同义转述，故为答案。A 文中来提到。C、D 不是 Slide 具有的功能。(3).The remotes Ident Te