1、公共英语二级-448 及答案解析(总分：110.00，做题时间：90 分钟)一、第一部分 听力理解(总题数：0，分数：0.00)二、第一节(总题数：1，分数：5.00)(1).Where are the two speakers?（分数：1.00）A.In a hospital.B.In a restaurant.C.In a classroom.(2).What is the mans favorite free-time activity?（分数：1.00）A.Watching TV.B.Reading a book.C.Listening to music.(3).How is the
2、woman going to the airport?（分数：1.00）A.By taxi.B.By bus.C.By train.(4).What do we know about the mother and son?（分数：1.00）A.She wants to tell him the result of the game.B.She doesnt like him to watch TV.C.She knows which team he supports.(5).What is true about Mr. Brown?（分数：1.00）A.He looks unusual tod
3、ay.B.He is usually late for work.C.There is always something wrong with his bike.三、第二节(总题数：5，分数：15.00)(1).What does the woman want to book?（分数：1.00）A.A room.B.A taxi.C.A ticket.(2).Where is the woman going?（分数：1.00）A.To the airport.B.To the railway station.C.To another hotel.(1).What is the probable
4、 relationship between the two speakers?（分数：1.00）A.Salesman and customer.B.Old school friends.C.Fellow workers.(2).What do we know about the woman?（分数：1.00）A.She is fond of her work.B.She is tired of traveling.C.She is interested in law.(3).What is the man?（分数：1.00）A.A company manager.B.A salesman.C.
5、A lawyer.(4).Why does the woman ask for the mans address?（分数：1.00）A.To send him a book.B.To get together with him.C.To repair something at his home.(1).Why doesnt the woman have enough money at hand to rent a bigger house?（分数：1.00）A.She spent much money on her vacation this summer.B.She doesnt want
6、to leave there.C.She will save some money to buy a new house.(2).How can she solve the problem at present?（分数：1.00）A.By renting a smaller house.B.By living in a small hotel.C.By sharing a bigger house with her friends mother.(3).How much did she pay when she first rented a house?（分数：1.00）A.About 600
7、 a month.B.More than 1,200 a month.C.400 a month.(1).What is the womans problem?（分数：1.00）A.She is sick.B.She cant make up her mind as to which country to visit.C.She cant think of a topic for her composition.(2).The man suggests _.（分数：1.00）A.that she try to get organizedB.that she ride a camelC.that
8、 she write about her trip(3).Why does the man have to leave?（分数：1.00）A.He has to pack his bags for his trip.B.He has to write his own composition.C.He is not feeling well.(1).What is the woman going to do?（分数：1.00）A.Attend a party.B.Take a holiday.C.Go on a business trip.(2).When does the woman plan
9、 to arrive?（分数：1.00）A.Late Friday.B.Midday Saturday.C.Saturday night.(3).What is the weather like in the town during the day?（分数：1.00）A.Cold.B.Wet.C.Warm.四、第二部分 英语知识运用(总题数：0，分数：0.00)五、第一节 单项填空(总题数：15，分数：15.00)1.Shirley _ a book about China last year but I dont know whether she has finished it. A has
10、 written B wrote C had written D was writing（分数：1.00）A.B.C.D.2.Youre _ your time trying to persuade him; hell never join us. A spending B wasting C losing D missing（分数：1.00）A.B.C.D.3.We all write _, even when theres not much to say. A now and then B by and by C step by step D more or less（分数：1.00）A.
11、B.C.D.4.-Are the new rules working?-Yes. _ books are stolen. A Few B More C Some D None（分数：1.00）A.B.C.D.5.What he has done is far from_. A satisfactory B satisfied C satisfaction D satisfy（分数：1.00）A.B.C.D.6.An accident happened at _. crossroads a few meters away from _bank. A a; a B /; a C /; the D
12、the; /（分数：1.00）A.B.C.D.7.-When can I come for the photos? I need them tomorrow afternoon.-They _ be ready by 12: 00. A can B should C might D need（分数：1.00）A.B.C.D.8.When a pencil is partly in a glass of water, it looks as if it _. A breaks B has broken C were broken D had been broken（分数：1.00）A.B.C.D
13、.9.Theres a feeling in me _ well never know what a UFO is-not ever. A that B which C of which D what（分数：1.00）A.B.C.D.10.Greenland, _ island in the world, covers over two million square kilometers. A it is the largest B that is the largest C is the largest D the largest（分数：1.00）A.B.C.D.11.Having a tr
14、ip abroad is certainly good for the old couple, but it remains _ whether they will enjoy it. A to see B to be seen C seeing D seen（分数：1.00）A.B.C.D.12.He gained his _ by printing _ of famous writers. A wealth; work B wealths; works C wealths; work D wealth; works（分数：1.00）A.B.C.D.13.Some people would
15、rather ride bikes as bike riding has _ of the trouble of taking buses. A nothing B none C some D neither（分数：1.00）A.B.C.D.14._of the land in that district _ covered with trees and grass. A Two-fifth; is B Two-fifth; are C Two-fifths; is D Two-fifths; are（分数：1.00）A.B.C.D.15.My English-Chinese dictiona
16、ry has disappeared. Who _ have taken it? A should B must C could D would（分数：1.00）A.B.C.D.六、第二节 完型填空(总题数：1，分数：20.00)As she walked round the large shop, Edith realized how difficult it was to choose a suitable Christmas (36) for her father.She (37) that he were as easy to please as her mother, who was
17、 (38) satisfied with perfume. (39) , shopping at this time of the year was a most (40) job. People (41) on your feet, pushed you with their shoulders and almost (42) you over in their hurry in order to (43) something cheap ahead of you.Partly to have a rest, Edith paused in front of a counter, where
18、 some beautiful ties were on (44) . “They are (45) silk,“ the shop assistant told her with a smile trying to (46) her to buy one. But Edith knew from past (47) that her choice of ties hardly ever pleased her father.She moved on slowly and then, quite by chance, (48) where a small crowd of men had ga
19、thered round a counter. She found some fine pipes on sale and the (49) were very beautiful. Edith did not hesitate for long. Although her father (50) smoked a pipe once in a while, she believed this was (51) to please him.When she got home, with her small but (52) present hidden in her handbag, it w
20、as time for supper and her parents were already (53) table. Her mother was in great (54) . “Your father has at last decided to stop smoking,“ she told her daughter happily. Edith was so (55) that she could not say a single word.（分数：20.00）A.suitB.cardC.thingD.giftA.believedB.wishedC.hopedD.supposedA.
21、seldomB.seldomC.alwaysD.scarcelyA.ThereforeB.FortunatelyC.BesidesD.FinallyA.unhappyB.carefulC.excitingD.firingA.walkedB.steppedC.liftedD.stoodA.turnedB.hitC.broughtD.knockedA.watchB.findC.graspD.sellA.timeB.showC.boardD.dutyA.realB.cheapC.poorD.exactA.hopeB.askC.forceD.persuadeA.experienceB.thingsC.
22、booksD.schoolA.stoppedB.sawC.askedD.foundA.moneyB.cigaretteC.shapesD.shopA.alwaysB.nearlyC.onlyD.neverA.hardlyB.impossiblyC.possiblyD.certainlyA.cheapB.well-chosenC.expensiveD.ready-madeA.onB.byC.besideD.atA.excitementB.angerC.sadnessD.disappointmentA.gladB.happyC.surprisedD.excited七、第三部分 阅读理解(总题数：0
23、，分数：0.00)A“Motherhood may make women smarter and may help prevent dementia(痴呆) in old age by bathing the brain in protective hormones,“ US researchers reported on Thursday.Tests on rats show that those who raise two or more litters of pups do considerably better in tests of memory and skills than ra
24、ts who have no babies, and their brains show changes that suggest they may be protected against diseases such as Alzheimers dementia (早老痴呆症).University of Richmond psychology professor Craig Kinsley believes his findings will translate into humans.“Our research shows that the hormones of pregnancy (
25、怀孕) are protecting the brain, including estrogen (雌激素), which we know has many neuroprotective (保护神经的) effects,“ Kinsley said.“Its rat data but humans are mammals just like these animals are mammals,“ he added in a telephone interview. “They go through pregnancy and hormonal changes.“Kinsley said he
26、 hoped public health officials and researchers would look to see if having had children protected a woman from Alzheimers dementia and other forms of age-related brain decline.“When people think about pregnancy, they think about what happens to the baby and the mother from the neck down,“ said Kinsl
27、ey, who presented his findings to the annual meeting of the Society of Neuroscience in Orlando, Florida.“They do not realize that hormones are washing on the brain. If you look at female animals who have never gone through pregnancy, they act differently to the young. But if she goes through pregnan
28、cy, she will sacrifice her life for her infant-that is a great change in her behavior that shows the genetic alterations(改变) to the brain. /（分数：5.00）(1).How do scientists know “Motherhood may make women smarter“?（分数：1.00）A.Some researchers have told them.B.Many women say so.C.They know it by experim
29、enting on rats.D.They know it through their own experience.(2).What does the phrase “litters of pups“ mean in the second paragraph?（分数：1.00）A.Baby rats.B.Animals.C.Old rats.D.Grown-up rats.(3).What may protect the brain of a woman according to what Kinsley said in the passage?（分数：1.00）A.Estrogen.B.T
30、he hormones of pregnancy.C.More exercise.D.Taking care of children.(4).“Its rat data but humans are mammals just like these animals are mammals.“ What does the sentence suggest?（分数：1.00）A.The experiments on the rats have nothing to do with humans.B.The experiments on the rats are very important for
31、animals.C.The experiments on the rats are much the same on humans.D.The experiments on the rats are much the same on other animals.(5).Which title is the best for this passage?（分数：1.00）A.Do You Want to Be Smarter?B.Motherhood Makes Women SmarterC.Mysterious HormonesD.An Important StudyB“To get cash
32、out in the 21st century, you wont need a bank card or a PIN and you even wont have to move a finger. You will simply have to look the cash machine straight in the eye,“ declares National Cash Registers, a multinational company that makes automated teller machines, or ATMs.NCR has shown its first exa
33、mple machine that is believed to be the future of banking. Instead of asking you for your PIN on a screen, the super teller-Stella for short, asks you orally through a loudspeaker to look straight ahead while an infrared camera turns to your head, then your eye, and finally takes an infrared photogr
34、aph of your iris (虹膜). For identification purposes, an iris picture is better than a fingerprint, with around 256 noticeable characteristics compared with 40 for fingerprints. This means that the chances of someone else being recognized in your place is about 1 in 1020. Once youve been identified, S
35、tella greets you by name and says, “Would you like cash or a statement?“ An infrared port allows the machine to send a bank statement straight to your palmtop computer.（分数：3.00）(1).What is this new machine called?（分数：1.00）A.Stella.B.ATM.C.PIN.D.NCR.(2).When you want to get cash out in the 21st centu
36、ry, you will _.（分数：1.00）A.need a bank cardB.have to put in your PINC.move your fingerD.just look directly at the teller machine(3).What does this passage mainly talk about?（分数：1.00）A.A new medical instrument.B.A new type of talking machine.C.A new type of cash machine.D.National Cash Register.CVisit
37、ing US President George W. Bush said in Beijing on Friday that both China and the United States should encourage bilateral contacts and exchanges to promote mutual understanding.“Its important for our political leaders to come to China,“ said Bush, who gave a speech on Friday morning at Qinghua Univ
38、ersity, one of the most prestigious universities in China.His working visit to China and discussions with Qinghua students “help promote“ Sine-US relations, Bush said in response to a students question about what he would do to promote Sine-US relations.“Many people in my country are very interested
39、 in China,“ he said, adding that these Americans want to learn more about Chinas culture and the Chinese people.He said that he would keep encouraging such contacts and exchanges between the two countries.Bush said that he would describe back home what he had seen here and that China as a great nati
40、on not only has a “great history“ but also an “unbelievably exciting future.“The president said that the 2008 Olympic Games would make a significant opportunity for the rest of the world to understand China, which enables more people to come to China and feel the modernization taking place, and many
41、 more people will see it on the television.Bush arrived in Beijing on Thursday for a two-day working visit to China.（分数：4.00）(1).What does the word “prestigious“ in the second paragraph probably mean?（分数：1.00）A.greatB.famousC.honorableD.modest(2).Which of the sentences is NOT true?（分数：1.00）A.Bush th
42、inks bilateral contacts and mutual understanding will promote Sine-US relations.B.Many Americans are interested in China.C.Bush and the students of Qinghua University discussed something about how to make China richer and stronger.D.The 2008 Olympic Games is a great chance for China to be known by t
43、he world.(3).Many Americans are interested in China because _.（分数：1.00）A.they want to come here to take part in the 2008 Olympic GamesB.they have learned something of China and they want to learn moreC.great changes have been taking place in ChinaD.China has a “great history“ and an “unbelievably ex
44、citing future“(4).The narrator (叙述者) of the passage was most probably _.（分数：1.00）A.a reporterB.a psychologistC.a politicianD.a sociologistDWant a glance of the future of health care? Take a look at the way the various networks of people about patient care are being connected to one another, and how
45、this new connectivity is being exploited to deliver medicine to the patient-no matter where he or she may be.Online doctors offering advice based on normal symptoms are the most obvious example. Increasingly, however, remote diagnosis will be based on real physiological data from the actual patient.
46、 A group from the University of Kentucky has shown that by using personal data assistance plus a mobile phone, it is perfectly practical to send a patients important signs over the telephone. With this kind of equipment, the cry asking whether there was a doctor in the house could well be a thing of
47、 the past.Other medical technology groups are working on applying telemedicine to rural care. And at least one team wants to use telemedicine as a tool for disaster need-especially after earthquakes. On the whole, the trend is towards providing global access to medical data and experts opinions.But
48、there is one problem. Bandwidth is the limiting factor for sending complex medical pictures around the world-CT photos being one of the biggest bandwidth users. Communication satellites may be able to deal with the short-term needs during disasters such as earthquakes or wars. But medicine is looking towards both the second-generation Internet and third-generation mobile phones for the future of remote medical service.Doctors have met to discuss computer-based tools for medical diagnosis, training and telemedicine. With the falling price of broadband communication
