Directions：For this part, you are allowed 30 minutes to write an advertisement on your campus website to sell a computer you used at college. Your advertisement may include its brand, specifications/features, condition and price, and your contact information. You should write at least 120 words but no more than 180 words.

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As if you needed another reason to hate the gym, it now turns out that exercise can exhaust not only your muscles, but also your eyes。 Fear not, however, for coffee can perk them right up again。 During vigorous exercise, our muscles tire as they run out of fuel and build up waste products。 Muscle performance can also be affected by a phenomenon called “central fatigue,” in which an imbalance in the body’s chemical messengers prevents the central nervous system from directing muscle movements effectively。

It was not known, however, whether central fatigue might also affect motor systems not directly involved in the exercise itself—such as those that move the eyes。 To find out, researchers gave 11 volunteers a carbohydrate solution either with a moderate dose of caffeine—which is known to stimulate the central nervous system—or as a placebo without, during 3 hours of cycling。 After exercising, the scientists tested the cyclists with eye-tracking cameras to see how well their brains could still control their visual system。

The team found that exercise reduced the speed of rapid eye movements by about 8%, preventing their ability to capture new visual information。 The caffeine—the equivalent of two strong cups of coffee—was sufficient to counteract this effect, with some cyclists even displaying increased eye movement speeds, the team reports today in Scientific Reports。 So it might be a good idea to get someone else to drive you home after that marathon。

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【答案解析】

26. 本题是在文中的第三句话中出现，根据该句的语法结构，发现26题所在处的单词词性应为形容词，修饰exercise，联系上文中提到“锻炼可以消耗身体中的肌肉”，由此得知本句的意思为经过大量锻炼后，我们的肌肉变得疲惫，因此此处应填入“vigorous”表示“剧烈的运动”。

27. 本题是在a和called “central fatigue”中间出现，根据语法结构，可以得出此处应填入的单词词性为名词，后面的called “central fatigue”做后置定语修饰限定前面的名词大学英语试题，然后根据本句意思“肌肉的表现也会被一种称之为“中枢疲劳”的_____所影响”;根据所给出的全部名词，选出正确答案为I phenomenon现象一词。

28. 本题位于句子最后，根据语法结构可以判断出本题要填入的词汇的词性为副词，因此根据该句意思“人体内化学信使的失调会使中枢神经系统无法______指导肌肉运动”，此处应填入的副词为E effectively 有效地。

29. 本题位于名词motor system(运动系统)之后，且空格前有directly副词的修饰大学英语试题，由此确定该处单词的词性应为动词，但由于本句已有谓语动词affect，因此此处应填入非谓语动词大学英语试题，限定修饰前面的名词motor system;根据文中意思，可以确定此处的单词应为G involved 参与，即“不直接参与锻炼的运动系统--例如眼部运动”。

30. 本题前面有不定冠词a，由此判断此处应为名词，根据后面“either with a moderate dose(适度剂量) of caffeine”可以得知此处应该是研究人员给11位志愿者一种溶液。因此，本题应选M solution。

31. 本题应结合下文进行分析，首先根据题目所在位置可判断此处的词性为名词类词汇(包括动名词);下文中提到科学家测试骑自行车的人(cyclist)，由此可得知前面应该是这些人所做的运动应为骑自行车，因此，本题选择D cycling (骑自行车)。

32. 本题所在部分的意思为“大脑如何_____视觉系统”，此处需要填入的单词词性为动词，根据常识，可以得知大脑控制视觉系统，因此此处选择C control (控制)。

33. 根据语法结构可得出本题所在部分为句子的状语成分大学英语试题，因此需要填入的单词词性为非谓语动词，根据文章逻辑，得出“锻炼使快速眼动速度降低8%左右，_____他们捕捉新的视觉信息的能力”，此处应为降低/组织捕捉新的视觉信息的能力，因此此处选择J preventing(阻止)。

34. 本题考查词组搭配be ______ to，根据文章的逻辑，上文第二句话中提到“不用害怕，咖啡可以使眼睛快速恢复”，由此，可以推出此句的意思为“咖啡因足够消除这种影响大学英语四级试题答案出炉(2017年6月版)(6)，一些骑自行车的志愿者甚至眼动速度增加。”因此，此题选择 N sufficient (足够的;充分的)。

35. 根据上题的分析，可以快速选出此题的答案为 F increased(增加)。

段落信息匹配

36 [H] 题干：Successful team leaders know exactly where the team should go and are able to take promptaction.

第三套选词填空答案

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New York’s attorney general’s office 26 launched an investigation in the fall into whether or not Verizon, Cablevision and Time Warner are delivering broadband that’s as fast as the providers 27claim it is。 Earlier this morning, the office asked for the public’s help to measure their speed results, saying consumers28 deserved get the speeds they we’re promised。 ”too many of us may be paying for one thing, and getting another,” the attorney general said。 If the investigation uncovers anything， it wouldn‘t be the first time a telecom provider got into 29 trouble over the broadband speeds it promised and delivered customers。

Back in June, the Federal Communications Commission fined AT&T $100 million over 30 accusation that the carrier secretly reduced wireless speeds after customers consumed a certain amount of 31 data Even when they stay on the right side of the law, Internet providers arouse consumers’ anger over bandwidth speed and cost。 Just this week, an investigation found that media and telecom giant Comcast is the most

51. A) It is a welcome sign of the coming of spring.

52. D) They are favored as a form of art.

53. C) Eggs reflect the anxieties of people today.

54. A) She never knows if the egg will break before the design is completed.

55. B) It has a history of over two thousand years.

第二套仔细阅读答案

厕纸

Text 1

46. A) Britons have cut their spending on it.

47. B) It will remain gloomy.

48. C) Luxurious features add much to the price.

49. A) They are particular about the quality of toilet paper.

50. D) Environmental protection is not much of a concern when Britons buy toilet paper.

第二篇:有效戒烟

Text 2

51. B) She succeeded in quitting smoking abruptly.

52. D) They were offered nicotine replacements.

53. C) It is encouraging.

54. C) requires a lot of patience.

55. A) They find it even more difficult.

第三套仔细阅读答案

46 B a shift to city centers

47 C People can enjoy services around the clock

48 C Their parents' bad experience still haunts them

49 D The worsening infrastructure

50 B Hopeful

51 D New information learned pushes old information out

52 C It facilitates our access to relevant information

53 B What contributes to forgetting

54 A It adds to the burden of their memory

55 C It is a way of organising our memories.

翻译第一套答案：

珠江是华南第一大河系，流经广州市，是中国第三长的河流，仅次于长江和黄河。

The Pearl River, thelargest river system of southern China that flows through Guangzhou, is thethird longest river in China, only second to the Yangtze River and the YellowRiver.

珠江三角洲是中国最发达的地区之一，面积约为11000平方公里。

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The Pearl RiverDelta isone of the most developed regions in China with an area of about 11,000 squarekilometers.

它在面积和人口方面也是世界上最大的城市聚集区。

It is also the greatesturban areasin both size and population all over the world.

珠江三角洲九个最大城市共有5,700多万人口。上世纪70年代末中国改革开放以来，珠江三角洲已成为中国和世界主要经济区域和制造中心之一。

The nine largest cities ofthe Pearl River Delta totally have a population of more than 57 million. Sincethe Chinese reform and opening up in the late 1970s, the Pearl River Delta hasbecome one of the major economic regions and manufacturing centers in China andthe world.

解析人：

王馨笛：哈尔滨新东方国内考试部教师，主讲四级语法、四级翻译课程。哈尔滨工业大学硕士在读，讲课风趣幽默，在四级考试方面有系统的知识体系和独特的应试技巧。

翻译第二套答案：

长江是亚洲最长、世界上第三长的河流。长江流经多种不同的生态系统，是诸多濒危物种的栖息地，灌溉了中国五分之一的土地。长江流域居住着中国三分之一的人口。长江在中国历史、文化和经济上起着很大的作用。长江三角洲产出多达20%的中国国民生产总值。几千年来，长江一直被用于供水，运输和工业生产。长江上还坐落着世界最大的水电站。

TheYangtze River is the longest river in Asia and also the third longest riveraround the world. Yangtze River which flows through a variety of differentecosystems, is the habitat of many endangered species, irrigating one fifth ofthe land in China. The Yangtze River Basin is home to one third of Chinesepopulation, which plays a significant role on Chinese history, culture andeconomy. The Yangtze River Delta produces up to twenty percent of China's GrossNational Product. For thousands of years, the Yangtze River has been takenadvantages of water supply, transportation and industrial production. Besides,the world’s largest hydro-electric power station stands on the Yangtze River.

翻译第三套答案：

黄河是亚洲第三、世界第六长的河流。“黄”这个字描述的是其河水浑浊的颜色。黄河发源于青海，流经九个省份，最后注入渤海。黄河是中国赖以生存的几条河流之一。黄河流域(river basin)是中国古代文明的诞生地，也是中国早期历史上最繁荣的地区。然而，由于极具破坏力的洪水频发，黄河曾造成多次灾害。在过去几十年里，政府采取了各种措施防止灾害发生。

The Yellow River is the third longest in Asia and thesixth longest in the world. The word “yellow” describes the perennial color of the muddy water. Originating inQinghai province, the Yellow River flows through nine provinces and finallyempties into the Bohai Sea. It is one of several rivers for China to live on.Its basin was the birthplace of ancient Chinese civilization and the mostprosperous region in early Chinese history. However, because of frequentdevastating floods, the river has caused many disasters. In the past fewdecades, the government has taken various measures to prevent disasters.

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