大学英语四级综合-50及答案解析.doc

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1、大学英语四级综合-50 及答案解析(总分：100.00，做题时间：90 分钟)一、Short Answer Questio(总题数：1，分数：20.00)Energy levels ebb and flow throughout the day, influenced by everything from your mood to your bodys circadian rhythms (生理节奏)-daily changes in things like heart rate, temperature, and blood pressure. Here are recommendation

2、s of exercising at various times of day.MORNING: The main difficulty in the morning is dragging yourself out of bed. Once youve done that, however, theres little else to distract you from the business at hand. That may be why people who work out in the A. M. are more likely to stick with it over tim

3、e, which means theyre well on their way to reaping the long-term energy boost that being fit brings.LUNCHTIME: Most people feel an energy decline between two and three in the afternoon. “Its not related to eating; its just part of the bodys natural cycle, “says Thomas Reilly, an exercise physiologis

4、t (生理学家). Exercising in the middle of the day can smooth out the low energy, Reilly says, because it increases the flow of hormones (荷尔蒙) that push you up for a few hours after a session. But dont skip lunch to work out. A light meal an hour before you exercise will give you the energy to get moving

5、.EVENING: In the late afternoon and early evening, people breathe easier because the lungs airways are more open, our strength peaks since body temperature is higher. But, dont work out too close to bed time or the resulting burst of energy may make it difficult to fall asleep.（分数：20.00）(1).Accordin

6、g to this passage, blood pressure will impact energy level because of_.（分数：4.00）填空项 1:_(2).Whats the trouble we usually have in the morning?（分数：4.00）填空项 1:_(3).People mistakenly think the feeling of an energy decline between two and three in the afternoon is due to_.（分数：4.00）填空项 1:_(4).What does “to

7、 skip lunch“ in paragraph three mean?（分数：4.00）填空项 1:_(5).How will we become when the temperature is higher according to paragraph four?（分数：4.00）填空项 1:_二、Cloze(总题数：1，分数：60.00)In the next 40 years, the percentage of people in the United States over the age of 65 is expected to double. (1) the needs of

8、 this part of the populations will be a (2) to the ingenuity (足智多谋) of America. To a (3) degree, a society is judged by (4) it cares for those who can no longercare (5) themselves.High technology (6) the most startling advances in helping the elderly. In (7) to the well-known artificial heart implan

9、tation (移植), there are efforts underway to (8) artificial lungs, livers, and bones. An electric ear is (9) seventy-five percent effective. The implants will (10) better medical care by (11) minute doses of drugs into the body continuously.For the older people, even the simplest tasks can be difficul

10、t, (12) impossible to perform. American business have responded (13) their needs with a (14) of inexpensive but useful (15) Companies have designed extra-efficient can-openers that (16) people whose hands have become weak to open cans easily. There are (17) that allow people to pull on a pair of soc

11、ks (18) straining their backs. Combs with long handles and U-shaped back brushes are (19) for those who cannot reach as (20) as they could when they were young.（分数：60.00）A.SeeingB.MeetingC.FacingD.MatchingA.chanceB.challengeC.callD.changeA.valuableB.comprehensiveC.considerateD.considerableA.howB.why

12、C.whoD.whomA.withB.toC.uponD.forA.protectsB.profitsC.proclaimsD.promisesA.relationB.contrastC.additionD.proportionA.discoverB.promoteC.assembleD.developA.thusB.stillC.alreadyD.yetA.permitB.persistC.serveD.pursueA.removingB.releasingC.relievingD.replacingA.alwaysB.usuallyC.eventuallyD.sometimesA.toB.

13、atC.withD.onA.setB.varietyC.seriesD.groupA.productionB.produceC.productsD.salesA.enableB.makeC.causeD.encourageA.apparatusB.equipmentC.devicesD.applianceA.byB.withoutC.inD.throughA.valuableB.readyC.nearD.availableA.longB.goodC.farD.much三、Translation(总题数：5，分数：20.00)1. 1(要是我早知道你会告诉我), I would never ha

14、ve told you the secret.（分数：4.00）填空项 1:_2. 1(应当注意) that pollution has become one of the most difficult problems in many big cities.（分数：4.00）填空项 1:_3.After a weeks careful treatment, 1(大夫救活了病人).（分数：4.00）填空项 1:_4. 1(虽然大多数亚洲人依然没有意识到他们的麻烦 ), sensible experts and officials are greatly concerned about the

15、situation here.（分数：4.00）填空项 1:_5.They can obtain not only material rewards 1(而且能得到心理上的满足).（分数：4.00）填空项 1:_大学英语四级综合-50 答案解析(总分：100.00，做题时间：90 分钟)一、Short Answer Questio(总题数：1，分数：20.00)Energy levels ebb and flow throughout the day, influenced by everything from your mood to your bodys circadian rhythms

16、 (生理节奏)-daily changes in things like heart rate, temperature, and blood pressure. Here are recommendations of exercising at various times of day.MORNING: The main difficulty in the morning is dragging yourself out of bed. Once youve done that, however, theres little else to distract you from the bus

17、iness at hand. That may be why people who work out in the A. M. are more likely to stick with it over time, which means theyre well on their way to reaping the long-term energy boost that being fit brings.LUNCHTIME: Most people feel an energy decline between two and three in the afternoon. “Its not

18、related to eating; its just part of the bodys natural cycle, “says Thomas Reilly, an exercise physiologist (生理学家). Exercising in the middle of the day can smooth out the low energy, Reilly says, because it increases the flow of hormones (荷尔蒙) that push you up for a few hours after a session. But don

19、t skip lunch to work out. A light meal an hour before you exercise will give you the energy to get moving.EVENING: In the late afternoon and early evening, people breathe easier because the lungs airways are more open, our strength peaks since body temperature is higher. But, dont work out too close

20、 to bed time or the resulting burst of energy may make it difficult to fall asleep.（分数：20.00）(1).According to this passage, blood pressure will impact energy level because of_.（分数：4.00）填空项 1:_ （正确答案：its daily changes）解析：解析 细节题。由文章第一句话 Energy levelsinfluenced bydaily changes in things likeblood press

21、ure可知，血压每天的变化会对人们的精力状况造成影响。(2).Whats the trouble we usually have in the morning?（分数：4.00）填空项 1:_ （正确答案：Getting up）解析：解析 细节题。文章第二段首句说 The main difficulty in the morning is dragging yourself out of bed，trouble 与 difficulty意思相呼应，drag up 意为“拉上，拔出”，由此可知本题答案。(3).People mistakenly think the feeling of an e

22、nergy decline between two and three in the afternoon is due to_.（分数：4.00）填空项 1:_ （正确答案：eating）解析：解析 细节题。问题中出现了 mistakenly(错误地)，由句 Its not related to eating 可知，正确答案 eating。(4).What does “to skip lunch“ in paragraph three mean?（分数：4.00）填空项 1:_ （正确答案：It nloans not to have lunch）解析：解析 语义题。句中的 a light me

23、at是接着前一句内容继续说吃点东西才会有精力。这正好提示了前一句的意思，由此可知 to skip lunch意为 not to have lunch。(5).How will we become when the temperature is higher according to paragraph four?（分数：4.00）填空项 1:_ （正确答案：We will become more energetic）解析：解析 推断题。由最后一段第一句our strength peaks since body temperature is higher可知，体温越高，说明我们的能量越多。此问题

24、难在正确的连接，我们不仅要学会准确地理解，而且更要掌握如何正确地表达。二、Cloze(总题数：1，分数：60.00)In the next 40 years, the percentage of people in the United States over the age of 65 is expected to double. (1) the needs of this part of the populations will be a (2) to the ingenuity (足智多谋) of America. To a (3) degree, a society is judged

25、 by (4) it cares for those who can no longercare (5) themselves.High technology (6) the most startling advances in helping the elderly. In (7) to the well-known artificial heart implantation (移植), there are efforts underway to (8) artificial lungs, livers, and bones. An electric ear is (9) seventy-f

26、ive percent effective. The implants will (10) better medical care by (11) minute doses of drugs into the body continuously.For the older people, even the simplest tasks can be difficult, (12) impossible to perform. American business have responded (13) their needs with a (14) of inexpensive but usef

27、ul (15) Companies have designed extra-efficient can-openers that (16) people whose hands have become weak to open cans easily. There are (17) that allow people to pull on a pair of socks (18) straining their backs. Combs with long handles and U-shaped back brushes are (19) for those who cannot reach

28、 as (20) as they could when they were young.（分数：60.00）A.SeeingB.Meeting C.FacingD.Matching解析：解析 惯用搭配题。meet the need of是惯用搭配，意为“满足的需求”，所以 B正确。A.chanceB.challenge C.callD.change解析：解析 逻辑衔接题。结合下文内容“满足这部分人的需求”可知，应该是一个挑战(challenge)而不是 chance(机会)或 change(改变)，故选 B。A.valuableB.comprehensiveC.considerateD.con

29、siderable 解析：解析 词义辨析题。valuable 意为“有价值的”，comprehensive 意为“综合的”，considerate意为“善解人意的”，considerable 意为“相当的”，只有 considerable适合修饰 degree，故选 D。by degrees意为“一点一点地，逐渐地”。to a degree意为“有点，稍微，多少有些；极其，非常”。A.how B.whyC.whoD.whom解析：解析 逻辑衔接题。本句的意思是“怎样照顾那些无力照顾自己的人群是评判一个社会的依据”，故选 A。A.withB.toC.uponD.for 解析：解析 惯用搭配题。c

30、are for 是惯用搭配，意为“关心”，所以 D正确。A.protectsB.profitsC.proclaimsD.promises 解析：解析 词义辨析题。protect 意为“保护”，profit 意为“赚钱，赢利”，proclaim 意为“声称”，promise 意为“承诺，保证”，结合句意可知，D 正确。A.relationB.contrastC.addition D.proportion解析：解析 惯用搭配题。in relation to 意为“与相关联”，in contrast with 意为“相比较而言”，in addition to 意为“此外”，in proportion

31、 to 意为“依照比例，和相比”，结合句意可知，C正确。A.discoverB.promoteC.assembleD.develop 解析：解析 词义辨析题。discover 噫为“发现”，promote 意为“提高(提升)”，assemble 意为“聚集”，develop 意为“开发，发展”，结合句意可知，D 正确。A.thusB.stillC.already D.yet解析：解析 逻辑衔接题。空格前句意为“人造器官正在研究发展中”，本句是前句的实例，从两句逻辑关系看，需填入 aleady(已经)，故选 C。A.permit B.persistC.serveD.pursue解析：解析 词义辨

32、析题。permit 意为“允许”，persist 意为“坚持”，serve 意为“服务”，pursue意为“追求”，结合句意可知，A 正确。A.removingB.releasing C.relievingD.replacing解析：解析 词义辨析题。release 意为“释放”，结合空格后面的 doses of drugs(小剂量的药物)可知，B 正确；remove 意为“移动”，relieve 意为“减轻”，replace 意为“代替”，均排除。A.alwaysB.usuallyC.eventuallyD.sometimes 解析：解析 逻辑衔接题。根据前后句关系，空格处应填入表示“有时”

33、之意的词，故选 D。A.to B.atC.withD.on解析：解析 惯用搭配题。respond to 是惯用搭配，意为“对做出反应”，所以 A正确。A.setB.variety C.seriesD.group解析：解析 逻辑衔接题。a set of 意为“一套”，a variety of 意为“各种各样的”，a series of意为“一系列的”，a group of 意为“一群”，结合句意可知，B 正确。A.productionB.produceC.products D.sales解析：解析 词义辨析题。product 意为“产品”，既可指工业产品，也可指农业产品，结合句意可知，C正确；p

34、roduction 意为“产品”，特指诗、雕刻、绘画等文学和艺术的产品，排除；produce 意为“农产品，产品”，sale 意为“销售”，均排除。product意为“产品，产物”，是可数名词，词义范围较大，可以指任何体力劳动和脑力劳动所产生的东西，但一般多指工业产品。production意为“生产，产品”，用作不可数名词时指生产过程，用作可数名词时特指诗、雕刻、绘画等文学和艺术产品。produce用作及物动词时意为“生产，出产，制造”等含义，用作名词时意为“产品，(尤指)农产品”，是不可数名词。A.enable B.makeC.causeD.encourage解析：解析 逻辑衔接题。结合上下

35、文可推断，空格处应填入一个意为“使能够”的动词，结合选项可知，A 正确。enable sbto do sth意为“使某人能做某事”。A.apparatusB.equipmentC.devices D.appliance解析：解析 词义辨析题。apparatus 指由许多不同零件构成的复杂的仪器或器械，equipment 多指成套的或重型的设备或装备，device 多指为某一特殊用途而设计的精巧的仪器或装置，appliance 多指家用电器，结合句意可知本题选 C。A.byB.without C.inD.through解析：解析 惯用搭配题。without 意为“不用做”，结合句意，故选 B。A

36、.valuableB.readyC.nearD.available 解析：解析 逻辑衔接题。valuable 意为“有价值的”，ready 意为“有准备的”，near 意为“亲密的”，available 意为“可(利)用的”，结合上下文可知，这些产品是专门为老年人设计的，故选 D。A.longB.goodC.far D.much解析：解析 逻辑衔接题。本句前部分提到这些梳子有长的手柄，由此可知，它们是为了那些手不够长的小孩准备的，所以 C正确。三、Translation(总题数：5，分数：20.00)1. 1(要是我早知道你会告诉我), I would never have told you

37、the secret.（分数：4.00）填空项 1:_ （正确答案：If I had known you were going to tell on me）解析：解析 本题考查虚拟语气的用法。主句谓语为“would+完成时”，表明从句需用过去完成时。“要是”译作 if，“早知道”译作 had known，“你会”译作 you will或 you are going to，由于是虚拟语气，故用过去时 you would或 you were going to，“告发某人”常用 tell on sb或 inform against sb，故答案为 If I had known you would/w

38、ere going to tell on/inform against me。2. 1(应当注意) that pollution has become one of the most difficult problems in many big cities.（分数：4.00）填空项 1:_ （正确答案：It should be taken into consideration）解析：解析 本题考查 it作形式主语的用法。空缺处对应汉语的意思是“应当注意”，在句子没有明确的主语时，可用 it作形式主语指代后面所要说的话，此时显然需用被动语态，“应当”常译作should，“注意”即“被注意”，译

39、作 be taken into consideration或 be noticed，故答案为 It should be taken into consideration或 It should be noticed。3.After a weeks careful treatment, 1(大夫救活了病人).（分数：4.00）填空项 1:_ （正确答案：the doctor brought the patient through）解析：解析 本题考查短语“救活某人”，通常用的 save一般指“挽救，保全”，与“救活”略有偏差，“救活”常用短语 bring sbthrough 表示，意为“将某人从濒

40、危中拯救回来”，空格处也可用 the patient作主语，相应地需选用被动语态。4. 1(虽然大多数亚洲人依然没有意识到他们的麻烦 ), sensible experts and officials are greatly concerned about the situation here.（分数：4.00）填空项 1:_ （正确答案：Although most Asians are still not aware of their troubles）解析：解析 “意识到”用 be aware of。5.They can obtain not only material rewards 1(而且能得到心理上的满足).（分数：4.00）填空项 1:_ （正确答案：but also psychological satisfactions from work）解析：解析 本题需要使用 not onlybut also句式，意为“不仅而且”，“心理上的满足”译为psychological satisfaction。