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1、2017年12月大学英语四级考试真题（第一套） Part I Writing (30 minutes)Directions：For this part, you are allowed 30 minutes to write a short essay on how to best handle the relationship between parents and children. You should write at least 120 words but no more than 180 words.Part Listening Comprehension (25 minutes)
2、Section ADirections: In this section, you will hear three news reports. At the end of each news report, you will hear two or three questions. Both the news report and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A), B
3、), C) and D). Then mark the corresponding letter on Answer Sheet 1 with a single line through the centre.Questions 1 and 2 are based on the news report you have just heard.1. A) Her friend Erika.C) Her grandfather B) Her little brother.D) Her grandmother2. A) By taking pictures for passers-by.C) By
4、selling lemonade and pictures B) By working part time at a hospital.D) By asking for help on social mediaQuestions 3 and 4 are based on the news report you have just heard.3. A) Finding cheaper ways of highway constructionB) Generating electric power for passing vehiclesC) Providing clean energy to
5、five million peopleD) Testing the efficiency of the new solar panel4. A) They can stand the wear and tear of natural elements B) They can be laid right on top of existing highways C) They are only about half an inch thick D) They are made from cheap materialsQuestions 5 to 7 are based on the news re
6、port you have just heard.5. A) Endless fighting in the regionC) Inadequate funding for research B) The hazards from the desertD) The lack of clues about species6. A) To observe the wildlife in the two national parks B) To identify the reasons for the lions disappearance C) To study the habitat of th
7、e lions in Sudan and Ethiopia D) To find evidence of the existence of the “lost lions”.7. A) Lions walkingC) Some camping facilities B) Lions tracksD) Traps set by local huntersSection BDirections: In this section, you will hear two long conversations. At the end of each conversation you will hear f
8、our questions. Both the conversations and the question-s will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A), B), C) and D). Then mark the corresponding letter on Answer Sheet 1 with a single line through the centre.Questions 8 to 11 a
9、re based on the conversation you have just heard.8. A) Her lucky birthdayC) Her wedding anniversary B) A call from her dadD) A special gift from the man9. A) Gave her a big model planeC) Took her on a trip overseas. B) Bought her a gold necklaceD) Threw her a surprise party10. A) The gift her husban
10、d has bought.B) The trip her husband has planned.C) What has been troubling her husband.D) What her husband and the man are up to.11. A) He will be glad to be a guide for the couples holiday trip.B) He will tell the women the secret if her husband agrees.C) He is eager to learn how the couples holid
11、ay turns out.D) He wants to find out about the couples holiday plan.Questions 12 to 15 are based on the conversation you have just heard.12. A) They are sensitive to the dynamics of a negotiation.B) They see the importance of making compromises.C) They know when to adopt a tough attitude.D) They tak
12、e the rivals attitude into account.13. A) They know how to adapt.B) They know when to stop.C) They know when to make compromises.D) They know how to control their emotion.14. A) They are patient.C) They learn quickly.B) They are good at expression.D) They uphold their principles.15. A) Make clear on
13、es intentions.C) Formulate ones strategy.B) Clarify items of negotiation.D) Get to know the other side.Section CDirections: In this section, you will hear three passages. At the end of each passage, you will hear three or four questions. Both the passage and the questions will be spoken only once. A
14、fter you hear a question, you must choose the best answer from the four choices marked A), B), C) and D).Then mark the corresponding letter on Answer Sheet 1 with a single line through the centre.Questions 16 to 18 are based on the passage you have just heard.16. A) When Americas earliest space prog
15、ram started.B) When the International Space Station was built.C) How many space shuttle missions there will be.D) How space research benefits people on Earth.17. A) They accurately calculated the speed of the orbiting shuttles.B) They developed objects for astronauts to use in outer space.C) They tr
16、ied to meet astronauts specific requirements.D) They tried to make best use of the latest technology.18. A) They are extremely accurate.C) They were first made in space.B) They are expensive to make.D) They were invented in the 1970s.Questions 19 to 21 are based on the passage you have just heard.19
17、. A) It was when her ancestors came to America.B) People had plenty of land to cultivate then.C) It marked the beginning of something new.D) Everything was natural and genuine then.20. A) They believed in working for goals.B) They enjoyed living a life of ease.C) They had all kinds of entertainment.
18、D) They were known to be creative.21. A) Chatting with her ancestors.C) Polishing all the silver work.B) Furnishing her country house.D) Doing needlework by the fire.Questions 22 to 25 are based on the passage you have just heard.22. A) Use a map to identify your location.B) Call your family or frie
19、nds for help.C) Sit down and try to calm yourself.D) Try to follow your footprints back.23. A) You may find a way out without your knowing it.B) You may expose yourself to unexpected dangers.C) You may get drowned in a sudden flood.D) You may end up entering a wonderland.24. A) Look for food.C) Star
20、t a fire.B) Wait patiently.D) Walk uphill.25. A) Inform somebody of your plan.B) Prepare enough food and drink.C) Check the local weather.D) Find a map and a compass.Part Reading Comprehension (40 minutes)Section ADirections: In this section, there is a passage with ten blanks. You are required to s
21、elect one word for each blank from a list of choices given in a word bank following the passage. Read the passage through carefully before making your choices. Each choice in the bank is identified by a letter. Please mark the corresponding letter for each item on Answer Sheet 2 with a single line t
22、hrough the centre. You may not use any of the words in the bank more than once.Questions 26 to 35 are based on the following passage.A rat or pigeon might not be the obvious choice to tend to someone who is sick, but these creatures have some 26 skills that could help the treatment of human diseases
23、.Pigeons are often seen as dirty birds and an urban 27 , but they are just the latest in a long line of animals that have been found to have abilities to help humans. Despite having a brain no bigger than the 28 of your index finger, pigeons have a very impressive 29_ memory. Recently it was shown t
24、hat they could be trained to be as accurate as humans at detecting breast cancer in images.Rats are often 30 with spreading disease rather than 31 it, but this long-tailed animal is highly 32 . Inside a rats nose are up to 1,000 different types of olfactory receptors（嗅觉感受器）, whereas humans only have
25、 100 to 200 types. This gives rats the ability to detect_33 smells. As a result, some rats are being put to work to detect TB（肺结核）. When the rats detect the smell, they stop and rub their legs to 34 a sample is infected.Traditionally, a hundred samples would take lab technicians more than two days t
26、o 35 , but for a rat it takes less than 20 minutes. This rat detection method doesnt rely on specialist equipment. It is also more accuratethe rats are able to find more TB infections and, therefore, save more lives.A) associatedI) slightB) examineJ) specifyC) indicateK) superiorD) nuisanceL) suspic
27、iousE) peakM) tipF) preventingN) treatedG) prohibitingO) visualH) sensitiveSection BDirections: In this section, you are going to read a passage with ten statements attached to it. Each statement contains information given in one of the paragraphs. Identify the paragraph from which the information i
28、s derived. You may choose a paragraph more than once. Each paragraph is marked with a letter. Answer the question by marking the corresponding letter on Answer Sheet 2.Do In-Class Exams Make Students Study Harder?Research suggests they may study more broadly for the unexpected rather than search for
29、 answers.A I have always been a poor test-taker. So it may seem rather strange that I have returned to college to finish the degree I left undone some four decades ago. I am making my way through Columbia University, surrounded by students who quickly supply the verbal answer while I am still proces
30、sing the question.B Since there is no way for me to avoid exams, I am currently questioning what kind are the most taxing and ultimately beneficial. I have already sweated through numerous in-class midterms and finals, and now I have a professor who issues take-home ones. I was excited when I learne
31、d this, figuring I had a full week to do the research, read the texts, and write it all up. In fact, I was still rewriting my midterm the morning it was due. To say I had lost the thread is putting it mildly.C As I was suffering through my week of anxiety, overthinking the material and guessing my g
32、rasp of it, I did some of my own polling among students and professors. David Eisenbach, who teaches a popular class on U.S. presidents at Columbia, prefers the in-class variety. He believes students ultimately learn more and encourages them to form study groups. “That way they socialize over histor
33、y outside the class, which wouldnt happen without the pressure of an in-class exam,” he explained, “Furthermore, in-class exams force students to learn how to perform under pressure, and essential work skill.”D He also says there is less chance of cheating with the in-class variety. In 2012, 125 stu
34、dents at Harvard were caught up in a scandal when it was discovered they had cheated on a take-home exam for a class entitled “Introduction to Congress”. Some colleges have what they call an “honor code,” though if you are smart enough to get into these schools, you are either smart enough to get ar
35、ound any codes or hopefully, too ethical to consider doing so. As I sat blocked and clueless for two solid days, I momentarily wondered if I couldnt just call an expert on the subject matter which I was tackling, or someone who took the class previously, to get me going.E Following the Harvard scand
36、al, Mary Miller, the former dean of students at Yale, made an impassioned appeal to her schools professors to refrain from take-hone exams. “Students risk health and well-being, as well as performance in other end-of-term work, when faculty offers take-home exams without clear, time-limited boundari
37、es,” she told me. “Research now shows that regular quizzes, short essays, and other assignments over the course of a term better enhance learning and retention.” F Most college professors agree the kind of exam they choose largely depends on the subject. A quantitative-based one, for example, is unl
38、ikely to be sent home, where one could ask their older brothers and sisters to help. Vocational-type classes, such as computer science or journalism, on the other hand, are often more research-oriented and lend themselves to take-home testing. Chris Koch, who teaches “History of Broadcast Journalism
39、” at Montgomery Community College in Rockville, Maryland, points out that reporting is about investigation rather than the memorization of minute details. “In my field, its not what you knowits what you know how to find out,” says Koch. “There is way too much information, and more coming all the tim
40、e, for anyone to remember. I want my students to search out the answers to questions by using all the resources available to them. G Students test-form preferences vary, too, often depending on the subject and course difficulty. “I prefer take-home essays because it is then really about the writing,
41、 so you have time to edit and do more research,” says Elizabeth Dresser, a junior at Barnard. Then there is the stress factor. Francesca Haass, a senior at Middlebury, says, “I find the in-class ones are more stressful in the short term, but there is immediate relief as you swallow information like
42、mad, and then you get to forget it all. Take-homes require thoughtful engagement which can lead to longer term stress as there is never a moment when the time is up.” Meanwhile, Olivia Rubin, a sophomore at Emory, says she hardly even considers take-homes true exams. “If you understand the material
43、and have the ability to articulate (说出) your thoughts, they should be a breeze.”H How students ultimately handle stress may depend on their personal test-taking abilities. There are people who always wait until the last minute, and make it much harder than it needs to be. And then there those who, n
44、ot knowing what questions are coming at them, and having no resources to refer to, can freeze. And then there are we rare folks who fit both those descriptions. I Yes, my advanced age must factor into the equation(等式), in part because of my inability to access the information as quickly. As another
45、returning student at Columbia, Kate Marber, told me, “We are learning not only all this information, but essentially how to learn again. Our fellow students have just come out of high school. A lot has changed since we were last in school.”J If nothing else, the situation has given my college son an
46、d me something to share, When I asked his opinion on this matter, “I like in-class exams because the time is already reserved, as opposed to using my free time at home to work on a test,” he responded. It seems to me that a compromise would be receiving the exam questions a day or two in advance, an
47、d then doing the actual test in class the ticking clock overhead.K Better yet, how about what one Hunter College professor reportedly did recently for her final exam: She encouraged the class not to stress or even study, promising that, “It is going to be a piece of cake.” When the students came in, sharpened pencils in hand, there was not a blue book in sight. Rather, they saw a large chocolate cake and they each were given a slice.36. Elderly students find it hard to keep up with the rapid changes in education.37. Some believe take-home exams may affect students perfo