1、公共英语四级-391 及答案解析(总分：100.00，做题时间：90 分钟)一、Section Listening (总题数：0，分数：0.00)二、Part A(总题数：1，分数：5.00)（分数：5.00）填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_三、Part B(总题数：1，分数：5.00)（分数：5.00）填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_四、Part C(总题数：3，分数：10.00)Questions 1113 are based on the following dialogue about travel infor
2、mation. You now have 15 seconds to read Questions 1113.（分数：3.00）(1).What is the relationship between the two speakers?（分数：1.00）A.Teacher and student.B.Shop assistant and customer.C.Travel agent and traveler.D.Bus driver and tourist.(2).How many people in a group?（分数：1.00）A.Eight.B.Ten.C.Eleven.D.Twe
3、lve.(3).How long in advance does a tourist have to book?（分数：1.00）A.6 or 8 monthsB.10 weeksC.6 or 8 weeksD.10 monthsQuestions 1416 are based on the following passage about the drought. You now have 15 seconds to read Questions 1416.（分数：3.00）(1).According to the passage, which results in less rain and
4、 lower overall humidity?（分数：1.00）A.coolsB.air risesC.desertsD.warm(2).Which of the following can hamper cloud formation and lead to less rain and lower overall humidity ?（分数：1.00）A.air swirlsB.moistureC.rainfallD.sinking air(3).What can contribute to drought?（分数：1.00）A.over-farming and soil erosionB
5、.soil moistureC.water conservationD.natural disastersQuestions 1720 are based on the following passage about the changing family. You now have 15 seconds to read Questions 1720.（分数：4.00）(1).Who used to live together in an extended family?（分数：1.00）A.Only grandparents and children.B.Brothers with thei
6、r wives.C.Many relatives.D.Father, mother and their children.(2).What advantages does the nuclear family offer women?（分数：1.00）A.They enjoy more freedom and rights.B.They can spend their money as they like.C.Their relatives help them with childcare.D.They have all the power of the family.(3).What is
7、another disadvantage of the nuclear family for women?（分数：1.00）A.Women are unable to get outside help.B.Older women often have to live alone.C.Family structure is more patriarchal.D.Their husbands dont help them as usual.(4).Many women are dissatisfied with marriage and the nuclear family because the
8、y（分数：1.00）A.have to stay homeB.do not have enough moneyC.are too busy to have free timeD.have to look after their children五、Section Use of Eng(总题数：1，分数：20.00)What do you do to (21) care of the books in your library? Some of the most collectors (22) to read the books in their collection; (23) the boo
9、ks remain in mint (24) . Others buy two copies of a book; they (25) one, and leave the other untouched. Many readers must read their books, (26) they still want to protect and care for the volumes. Here are some tips to remember (27) you want your books to remain in good condition.Firstly, avoid Wri
10、ting. You may have been told to (28) in the margins of your books, or even to underline or highlight words, phrases, and paragraphs. But, if you plan to (29) the book, add it to your library, or even sell it - dont write in the book. The ink permanently damages your book. Use a journal or notebook t
11、o take (30) on pages or use pieces of paper or Post-It notes. If you are (31) to write in your book, use a pencil, and erase the markings.Secondly, avoid Food and Drink. Food and Liquids which are hazards to your books. The best practice is to avoid eating or drinking (32) you read. If you need to r
12、ead while you eat, make sure your fingers are clean and dry as you hold the book or turn the pages. Also, (33) the book away from the food and drink. Check the table or other surfaces for water, crumbs, and stickiness (34) you put your book (35) .Finally, take care. When you handle your book, hold i
13、t (36) care. When you read the book, dont (37) down the corners of the pages and use a bookmark instead. Dont fold the (38) of the book back. Dont break the binding; and dont (39) your book with the book (40) , face-down. Use a book cover to keep your books in the best condition.（分数：20.00）A.putB.get
14、C.takeD.giveA.refuseB.acceptC.refuteD.receiveA.butB.thenC.soD.stillA.conditionB.stationC.environmentD.surroundingA.speakB.readC.touchD.collectA.soB.andC.alsoD.butA.ifB.unlessC.whichD.sinceA.underlineB.writeC.symbolD.documentA.exhaustB.keepC.decorateD.reserveA.quizB.subjectC.notesD.extractsA.understo
15、odB.believedC.forcedD.requiredA.whileB.beforeC.afterD.sinceA.takeB.keepC.bringD.giveA.afterB.untilC.beforeD.whenA.downB.awayC.upD.offA.forB.toC.withD.inA.breakB.foldC.snapD.convertA.envelopeB.definitionC.contentD.coverA.locateB.placateC.placeD.disposeA.occasionalB.openC.obviousD.outstanding六、Section
16、 Reading Co(总题数：0，分数：0.00)七、Part A(总题数：0，分数：0.00)八、Text 1(总题数：1，分数：5.00)Taking a nap is frowned upon by many people and is viewed as fondness for the elderly and children. Mention nap and you could be seen as lazy, depressed and unwilling to work. However, taking a nap is one of the best but most un
17、derused tools for busy people to ease weariness. The majority of people experience drowsiness in the afternoon and notice their work efficiency and mood starting to slip and taking a nap will help combat this.The results of research suggest that taking a nap can make you more alert, reduce stress an
18、d improve cognitive function compared to those who working all day without rest. A mid-afternoon nap means that productivity can last long into the night. Researchers at NASA found that a 30- minute full nap increased cognitive function by 40%. The volunteers on the tests found that their memory imp
19、roved as well as experiencing an increase in concentration. Those who didnt nap would score lower on IQ test than those who did (after a day of work).If you feel tired in the afternoon and from then on cant perform at your best, t recommend taking a short power nap to get yourself feel alert and rea
20、dy for work. You will notice your mood and alertness to be improved. ! advise keeping the nap between 15 and 30 minutes if you want to avoid getting into deeper stages of sleep. If you do, youll find it harder to wake and may experience the unstable feeling for a while.For those who are worried abou
21、t the after-affect of a nap, there is the caffeine nap. A caffeine nap is taken after an intake of caffeine, so that you are asleep while your body digests the caffeine. After a 15 -30 minutes nap, you wake up and have the caffeine in your system. This is great if you need to be instantly on the mov
22、e after a nap, and you can bounce out of your sleeping state and jump into refreshed Work feeling.Finding 15 -30 minutes to take a nap in a day sometimes seems difficult, but doing so is very helpful to your productivity. Even 10 minutes of a nap every day will be better than nothing at all, and may
23、 give you the energy you need to be successful. If youre willing to have a try, make sure you can find a comfortable place before setting your head down. If you can feel secure and let go, then your rest will be even more beneficial.（分数：5.00）(1).Which of the following statements is true according to
24、 the passage?（分数：1.00）A.It is easy for people to find 15 -30 minutes to have a nap every day.B.A caffeine nap is bad for our health.C.When we have a nap less than 30 minutes, we can avoid getting into deeper stages of sleep.D.If we have a nap in the afternoon, we will not sleep at night.(2).What can
25、 be inferred from the first paragraph?（分数：1.00）A.Taking a nap is useless for busy people.B.Taking a nap is viewed as something for curing disease.C.Taking a nap is regarded as lazy to work.D.Taking a nap can promote your work efficiency.(3).What is the meaning of “digest“ in the second line of the f
26、ourth paragraph?（分数：1.00）A.haveB.drinkC.absorbD.take(4).Which one is not the benefit of taking a nap?（分数：1.00）A.decrease stress and improve cognitive functionB.keep the best state of mind and energyC.feel refresh and alertD.feel unstable and depressed(5).What is the best title of this passage?（分数：1.
27、00）A.Function of napB.Nap and workC.Nap and caffeineD.Nap and busy people九、Text 2(总题数：1，分数：5.00)Human creativeness is boundless. With the advance of science and technology, a complete new means of communication - Mobile Phone came to the world, which, being not fixed in one place like ordinary phone
28、s, greatly facilitates telephone communication. Although using mobile phone is convenient, it also has some negative factors. It tells us that we should pay more attention to the mobile phone etiquette. There is a research on American mobile phone etiquette.People are using cell phones in a Manhatta
29、n subway. Most Americans believe that there are unspoken rules about using mobile phone etiquette, according to an online poll.Its impolite to shout down their cell phones which may frighten other passengers. Checking emails, sending text messages and making telephone calls while in the company of o
30、ther passengers are definite breeches of mobile phone manners. Texting during a date is also strictly forbidden.But the majority of American people questioned in the online poll said that they would not be offended if they received an electronic “thank you“, instead of a written note and seventy-fiv
31、e percent had no objections to anyone using laptops, net books or cell phones in the bathroom. “Etiquette is first and foremost a question of awareness,“ said the author and etiquette expert Anna Post. But she described the results of the Harris Interactive poll commissioned by Intel as “pretty surp
32、rising statistics“.Sixty-two percent of the 2,625 adults who took part in the survey agreed that cell phones, laptops, net books and other electronic devices are part of daily life. Fifty-five percent also thought that the demands of business mean people must stay connected, even if it involves taki
33、ng a laptop on a holiday or answering a cell phone during a meal.Despite the need to be constantly connected and the general acceptance of the technology, people were more sensitive about technology abuses during holiday and religious activities. Nearly ninety percent of Americans think that cell ph
34、one use is unacceptable during a religious service and thirty percent admitted they would be offended if they received an online gift wish. But more than half revealed that they intended to send an electronic greeting card, instead of a traditional one.“These are issues about common sense,“ said Dr
35、Genevieve Bell, an ethnographer and director of Intels User Experience Group, adding that the social rules of when and how it is appropriate to use the technology are still being formed.（分数：5.00）(1).Which of the following sentences is fight according to the passage?（分数：1.00）A.75 percent of people in
36、 the online poll had no objections to anyone using laptops, net books and cell phones in the bathroom.B.Nearly all of Americans think cell phone use is impolite during religious activities.C.90 percent of people in the online poll admitted they would be unhappy if they were given an online gift wish
37、.D.30 percent of people in the online poll believe that people should get in touch with each other frequently because of the demand of business.(2).When we stay with friends, it is polite to（分数：1.00）A.check emailsB.chat with friends carefullyC.send text messagesD.make telephone calls(3).The attitude
38、 to technology abuses during holiday and religious activities is（分数：1.00）A.happy and joy.B.angry and depress.C.ignorant and unstable.D.sensitive.(4).This article is most probably taken from a（分数：1.00）A.document.B.magazine.C.biography.D.science fiction.(5).What is mainly discussed in the text?（分数：1.0
39、0）A.The function of phone.B.How to use phone.C.The etiquette of using mobile phone.D.Phone.十、Text 3(总题数：1，分数：5.00)Every other week, new studies appear that either criticize or praise the roasted bean. Are there grounds for concern under the fragrant foam?Some people believe that coffee bean can lowe
40、r the incidence of some diseases. First, the disease is diabetes. A study of 14,000 people in Finland which is the worlds greatest per-capita consumer of coffee found that women who drank three to four cups a day cut their risk of developing diabetes by 29 percent. For men, it was 27 percent. Resear
41、chers arent sure why, but suspect that the antioxidants in coffee help deliver insulin to the bodys tissues. Second, it can lower cancer. In Japan, a study of 90,000 people revealed those who drank coffee every day for ten years were half as likely to get liver cancer. Meanwhile, German scientists h
42、ave identified an active compound in coffee that boosts enzymes thought to prevent colon cancer. Finally, it can also lower Parkinsons disease. Researchers in Hawaii monitored the health of more than 8,000 Japanese-American men for 30 years and discovered that those who drank a cup of coffee a day h
43、ad less than half the incidence of Parkinsons disease. A possible clue as to why. caffeine promotes the release of dopamine, a substance involved with movement and usually consumed in Parkinsons sufferers.On the contrary, theres hot debate on whether drinking coffee is a cardiac risk. A Greek study
44、of more than 3,000 people found coffee drinkers has higher levels of bad substances in their blood than non-drinkers. But Harvard researchers looking at the health of coffee drinkers over 20 years could not localize any extra coronary problems. Nevertheless, a study of 2,028 Costa Ricans found those
45、 with a gene variant that processes caffeine four times slower than average, and who also drank two to three cups of coffee a day, upped their heart-attack risk by 36 percent. As this group me-tabolises caffeine slower, it remains in the body for longer - possibly pushing up blood pressure.For most
46、of us, the humble cup of coffee is simply a harmless and enjoyable way to kick - start the day or give us an excuse for some time out. No more, no less. However, it is important to remember that different people exhibit different tolerance levels to caffeine - it is, after all, a drug.（分数：5.00）(1).W
47、hat is mainly discussed in the text?（分数：1.00）A.roast bean can cure disease.B.roast bean is a good medicine.C.more and more people want to drink coffee.D.whether the roast bean is good or bad is also a question.(2).The word “tissues“ in Paragraph 2, Line 5 probably refers to（分数：1.00）A.organizationB.h
48、andkerchiefC.paperD.system(3).According to the second paragraph, which of the following statements is true?（分数：1.00）A.In Finland, the study indicates women who drink coffee will be healthy.B.In Japan, the study indicates people who drink coffee can get cancer.C.There is an active compound in coffee
49、that can cut the risk of getting colon cancer.D.People who drink coffee are easy to get Parkinsons disease.(4).What can be inferred from the last paragraph?（分数：1.00）A.Coffee is a kind of beverage.B.Too much coffee may endanger peoples life.C.Coffee is good for busy people.D.Coffee can cure disease.(5).A suitable title for this passage is（分数：1.00）A.The good aspect of coffeeB.Coffee and canc
