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2019年12月大学英语四级真题（第1套）
做题背题

2019年12月英语四级真题答案（第1套）

Part IWriting(30 minutes)
材料

Directions: For this part, you are allowed 30 minutes to write a letter to a foreign friend who wants to teach English in China. Please recommend a city to him. You should write at least 120 words but no more than 180 words.

作答
参考范文
Dear John, I'm thrilled to hear about your plans to teach English in China. Allow me to recommend the city of Shanghai. As China's economic hub, Shanghai offers a vibrant environment with a rich blend of traditional and modern culture. It's a city where you can experience the pulse of China's development while enjoying the conveniences of a cosmopolitan lifestyle. Shanghai boasts a plethora of educational institutions, making it an ideal place for an English teacher. The demand for English proficiency is high, and you'll find ample opportunities to teach and interact with enthusiastic students. Moreover, living in Shanghai provides a unique chance to immerse yourself in the Chinese language and culture, which I believe is essential for a fulfilling teaching experience. In conclusion, Shanghai's dynamic atmosphere, coupled with its educational opportunities, makes it the perfect city for you to kick off your teaching journey in China. I'm confident you'll love it here and find it a rewarding experience. Best regards, [Your Name]
Part IIListening(25分钟)

Section A

Directions: In this section, you will hear two long conversations. At the end of each conversation, you will hear four questions. Both the conversation 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), C), and D). Then mark the corresponding letter on Answer Sheet 1 with a single line through the centre.
听力音频
1. What happened in New York's Prospect Park on Tuesday?
✗ 未作答
2. What do we learn about the cow from the end of the news report?
✗ 未作答
听力音频
3. What does the news report say about the Fossil Hall of the National Museum of Natural History?
✗ 未作答
4. What is on display this week in the museum's resident exhibition hall?
✗ 未作答
听力音频
5. What have six birds been trained to do at a French historical theme park?
✗ 未作答
6. Why were rooks chosen by the park manager?
✗ 未作答
7. What is the concern of some parents? In this section, you'll hear two long conversations.
✗ 未作答

Section B

Directions: In this section, you will hear two 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. 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.
听力音频
8. What do we learn about the TV show Science Nation?
✗ 未作答
9. In what way will the TV show Science Nation differ from traditional documentaries?
✗ 未作答
10. Who will be the audience of the TV show Science Nation?
✗ 未作答
11. What does the woman want the man to do for the TV show?
✗ 未作答
听力音频
12. How does the man feel about himself?
✗ 未作答
13. What does the woman think is the man's problem?
✗ 未作答
14. How does the man feel when he sees others accomplishing things?
✗ 未作答
15. What does the woman suggest the man do?
✗ 未作答

Section C

Directions: In this section you will hear three recordings of lectures or talks followed by three or four questions. The recordings will be played 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.
听力音频
16. What advantage does the speaker say girls from single-sex schools have over those from coeducational schools?
✗ 未作答
17. What do teachers tend to do in coeducational settings?
✗ 未作答
18. What are teachers more likely to do in an all-girls school?
✗ 未作答
听力音频
19. What did the speaker find out about Seattle?
✗ 未作答
20. Why do local people in Seattle seldom carry an umbrella?
✗ 未作答
21. Why does the speaker say Seattle is a good place to be?
✗ 未作答
听力音频
22. What does the German professor say about muscle soreness?
✗ 未作答
23. What happens when muscles are damaged according to the passage?
✗ 未作答
24. How long does it take for damaged cells to heal?
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25. What does the speaker suggest one do to relieve muscle soreness?
✗ 未作答
Part IIIReading Comprehension(40分钟)

Section A

Directions: In this section, there is a passage with ten blanks. You are required to select 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 through the centre. You may not use any of the words in the bank more than once.

原文

When travelling overseas, do you buy water in plastic bottles or take your chances with tap water? Imagine you are wandering about on a Thai island or the ruins of Angkor. It's hot so you grab a bottle of water from a local vendor. It's the safe thing to do, right? The bottle is , and the label says "pure water". But maybe what's inside is not so . Would you still be drinking it if you knew that more than 90 percent of all bottled water sold around the world microplastics?

That's the conclusion of a recently study, which analysed 259 bottles from 11 brands sold in nine countries, an average of 325 plastic particles per litre of water. These microplastics included a commonly known as PET and widely used in the manufacture of clothing and food and containers. The study was conducted at the State University of New York on behalf of Orb Media, a journalism organisation About a million bottles are bought every minute, not only by thirsty tourists but also by many of the 2.1 billion worldwide who live with unsafe drinking water.

Confronted with this , several bottled-water manufacturers including Nestle and Coca-Cola undertook their own studies using the same methodology. These studies showed that their water did contain microplastics, but far less than the Orb study suggested. Regardless, the World Health Organisation has launched a review into the health risks of drinking water from plastic bottles.

题目
Word Bank
A) adequateB) admiringC) containsD) defendingE) evidenceF) instantG) liquidH) modifiedI) naturalJ) potentialK) releasedL) revealingM) sealedN) solvesO) substance
答案与解析
26. 未作答
正确答案: B
27. 未作答
正确答案: M
28. 未作答
正确答案: I
29. 未作答
正确答案: C
30. 未作答
正确答案: K
31. 未作答
正确答案: L
32. 未作答
正确答案: O
33. 未作答
正确答案: G
34. 未作答
正确答案: E
35. 未作答
正确答案: J

Section B

Directions: 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 is derived. You may choose a paragraph more than once. Each paragraph is marked with a letter. Answer the questions by marking the corresponding letter on Answer Sheet 2.

原文

The quiet heroism of mail delivery

A) On Wednesday, a polar wind brought bitter cold to the Midwest. Overnight, Chicago reached a low of 21 degrees Fahrenheit below zero, making it slightly colder than Antarctica (南极洲), Alaska, and the North Pole. Wind chills were 64 degrees below zero in Park Rapids, Minnesota and 45 degrees below zero in Buffalo, North Dakota, according to the National Weather Service. Schools, restaurants, and businesses closed, and more than 1,000 flights were cancelled.
B) Even the United States Postal Service (USPS) suspended mail delivery. "Due to this arctic outbreak and concerns for the safety of USPS employees," USPS announced Wednesday morning, "the Postal Service is suspending delivery Jan. 30 in some 3-digit ZIP Code locations." Twelve regions were listed as unsafe on Wednesday; on Thursday, eight remained.
C) As global surface temperatures increase, so does the likelihood of extreme weather. In 2018 alone, wildfires, volcanic eruptions, hurricanes, mudslides, and other natural disasters cost at least $49 billion in the United States. As my colleague Vann Newkirk reported, Puerto Rico is still confronting economic and structural destruction and resource scarcity from 2017's Hurricane Maria. Natural disasters can wreck a community's infrastructure, disrupting systems for months or years. Some services, however, remind us that life will eventually return, in some form, to normal.
D) Days after the deadly 2017 wildfires in Santa Rosa, California, a drone (无人机) caught footage (连续镜头) of a USPS worker, Trevor Smith, driving through burned homes in that familiar white van, collecting mail in an affected area. The video is striking: The operation is familiar, but the scene looks like the end of the world. According to Rae Ann Haight, the program manager for the national-preparedness office at USPS, Smith was fulfilling a request made by some of the home owners to pick up any mail that was left untouched. For Smith, this was just another day on the job. "I followed my route like I normally do," Smith told a reporter. "As I came across a box that was up but with no house, I checked, and there was mail—outgoing mail—in it. And so we picked those up and carried on."
E) USPS has sophisticated emergency plans for natural disasters. Across the country, 285 emergency management teams are devoted to crisis control. These teams are trained annually using a framework known as the three Ps: people, property, product. After mail service stops due to weather, the agency's top priority is ensuring that employees are safe. Then it evaluates the health of infrastructure, such as the roads that mail carriers drive on. Finally, it decides when and how to re-open operations. If the destruction is extreme, mail addressed to the area will get sent elsewhere. In response to Hurricane Katrina in 2005, USPS redirected incoming New Orleans mail to existing mail facilities in Houston. Mail that was already processed in New Orleans facilities was moved to an upper floor so it would be protected from water damage.
F) As soon as it's safe enough to be outside, couriers (邮递员) start distributing accumulated mail on the still-accessible routes. USPS urges those without standing addresses to file change-of-address forms with their new location. After Hurricane Katrina hit in 2005, mail facilities were set up in dozens of locations across the country in the two weeks that USPS was unable to provide street delivery.
G) Every day, USPS processes, on average, 493.4 million pieces of mail—anything from postcards to Social Security checks to medicine. Spokespeople from both USPS and UPS told me all mail is important. But some mail can be extremely sensitive and timely. According to data released in January 2017, 56 percent of bills are paid online, which means that just under half of payments still rely on delivery services to be completed.
H) It can be hard to identify which parcels are carrying crucial items such as Social Security checks, but USPS and UPS try their best to prioritize sensitive material. They will coordinate with the Social Security Administration to make sure that Social Security checks reach the right people in a timely fashion. After Hurricane Florence and Hurricane Michael last fall, USPS worked with state and local election boards to make sure that absentee ballots were available and received on time.
I) Mail companies are logistics (物流) companies, which puts them in a special position to help when disaster strikes. In a 2011 USPS case study, the agency emphasized its massive infrastructure as a "unique federal asset" to be called upon in a disaster or terrorist attack. "I think we're unique as a federal agency," USPS official Mike Swigart told me, "because we're in literally every community in this country. We're obligated to deliver to that point on a daily basis."
J) Private courier companies, which have more dollars to spend, use their expertise in logistics to help revitalize damaged areas after a disaster. For more than a decade, FedEx has supported the American Red Cross in its effort to get emergency supplies to areas affected by disasters, both domestically and internationally. In 2012, the company distributed more than 1,200 MedPacks to Medical Reserve Corps groups in California. They also donated space for 3.1 million pounds of charitable shipping globally. Last October, the company pledged $1 million in cash and transportation support for Hurricanes Florence and Michael. UPS's charitable arm, the UPS Foundation, uses the company's logistics to help disaster-struck areas rebuild. "We realize that as a company with people, trucks, warehouses, we need to play a larger role," said Eduardo Martinez, the president of the UPS Foundation. The company employs its trucks and planes to deliver food, medicine, and water. The day before I spoke to Martinez in November, he had been touring the damage from Hurricane Michael in Florida with the American Red Cross. "We have an obligation to make sure our communities are thriving," he said.
K) Rebuilding can take a long time, and even then, impressions of the disaster may still remain. Returning to a normal life can be difficult, but some small routines — mail delivery being one of them — may help residents remember that their communities are still their communities. "When they see that carrier back out on the street," Swigart said, "that's the first sign to them that life is starting to return to normal."
题目
Match the statements with the paragraphs
36.The United States Postal Service has a system to ensure its employees' safety.
未作答
正确答案: E
37.One official says USPS is unique in that it has more direct reach to communities compared with other federal agencies.
未作答
正确答案: I
38.Natural disasters can have a long-lasting impact on community life.
未作答
正确答案: C
39.Mail delivery service is still responsible for the completion of almost half of payments.
未作答
正确答案: G
40.The sight of a mailman on the street is a reassuring sign of life becoming normal again.
未作答
正确答案: K
41.After Hurricane Katrina interrupted routine delivery, temporary mail service points were set up.
未作答
正确答案: F
42.Postal service in some regions in the U.S. was suspended due to extreme cold weather.
未作答
正确答案: B
43.Private postal companies also support disaster relief efforts by distributing urgent supplies.
未作答
正确答案: J
44.A dedicated USPS employee was on the job carrying out duties in spite of extreme conditions.
未作答
正确答案: D
45.Postal services work hard to identify items that require priority treatment.
未作答
正确答案: H

Section C

Directions: There are 2 passages in this section. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A), B), C), and D). You should decide on the best choice and mark the corresponding letter on Answer Sheet 2 with a single line through the centre.

Passage One

原文

Professor Ashok Goel of Georgia Tech developed an artificially intelligent teaching assistant to help handle the enormous number of student questions in the online class, Knowledge-Based Artificial Intelligence. This online course is a core requirement of Georgia Tech's online Master of Science in Computer Science program Professor Goel already had eight teaching assistants, but that wasn't enough to deal with the overwhelming number of daily questions from students.

Many students drop out of online courses because of the lack of teaching support. When students feel isolated or confused and reach out with questions that go unanswered, their motivation to continue begins to fade. Professor Goel decided to do something to remedy this situation and his solution was to create a virtual assistant named Jill Watson, which is based on the IBM Watson platform.

Goel and his team developed several versions of Jill Watson before releasing her to the online forums. At first, the virtual assistant wasn't too great. But Goel and his team sourced the online discussion forum to find all 40,000 questions that had ever been asked since the class was launched. Then they began to feed Jill with the questions and answers. After some adjustments, and sufficient time, Jill was able to answer the students' questions correctly 97% of the time. The virtual assistant became so advanced and realistic that the students didn't know she was a computer. The students, who were studying artificial intelligence, were interacting with the virtual assistant and couldn't tell it apart from a real human being. Goel didn't inform them about Jill's true identity until April 26. The students were actually very positive about the experience.

The goal of Professor Goel's virtual assistant next year is to take over answering 40% of all the questions posed by students on the online forum. The name Jill Watson will, of course, change to something else next semester. Professor Goel has a much rosier outlook on the future of artificial intelligence than, say, Elon Musk, Stephen Hawking, Bill Gates or Steve Wozniak.

题目
46. What do we learn about Knowledge-Based Artificial Intelligence?
✗ 未作答
47. What problem did Professor Goel meet with?
✗ 未作答
48. What do we learn about Jill Watson?
✗ 未作答
49. How did the students feel about Jill Watson?
✗ 未作答
50. What does Professor Goel plan to do next with Jill Watson?
✗ 未作答

Passage Two

原文

Thinking small, being engaging, and having a sense of humor don't hurt. Those are a few of the traits of successful science crowdfunding efforts that emerge from a recent study that examined nearly 400 campaigns. But having a large network and some promotional skills may be more crucial.

Crowdfunding, raising money for a project through online appeals, has taken off in recent years for everything from making movies to producing water-saving gadgets. Scientists have tried to tap Internet donors, too, with mixed success. Some raised more than twice their goals, but others have fallen short of reaching even modest targets.

To determine what separates science crowdfunding triumphs from failures, a team led by science communications scholar Mike Schafer of the University of Zurich examined the content of the webpages for 371 recent campaigns.

Four traits stood out for those that achieved their goals, the researchers report in Public Understanding of Science. For one, they use a crowdfunding platform that specializes in raising money for science, and not just any kind of project. Although sites like Kickstarter take all corners, platforms such as Experiment.com and Petridish.org only present scientific projects. For another, they present the project with a funny video because good visuals and a sense of humor improved success. Most of them engage with potential donors, since projects that answered questions from interested donors fared better. And they target a small amount of money. The projects included in the study raised $4000 on average, with 30% receiving less than $1000. The more money a project sought, the lower the chance it reached its goal, the researchers found.

Other factors may also significantly influence a project's success, most notably, the size of a scientist's personal and professional networks, and how much a researcher promotes a project on their own. Those two factors are by far more critical than the content on the page. Crowdfunding can be part of researchers' efforts to reach the public, and people give because "they feel a connection to the person" who is doing the fundraising—not necessarily to the science.

题目
51. What do we learn about the scientists trying to raise money online for their projects?
✗ 未作答
52. What is the purpose of Mike Schafer's research of recent crowdfunding campaigns?
✗ 未作答
53. What trait contributes to the success of a crowdfunding campaign?
✗ 未作答
54. What did the researchers think of the financial targets of crowdfunding projects?
✗ 未作答
55. What motivates people to donate in a crowdfunding campaign?
✗ 未作答
Part IVTranslation(30 minutes)
材料

Directions: For this part, you are allowed 30 minutes to translate a passage from Chinese into English. You should write your answer on Answer Sheet 2.

中国家庭十分重视孩子的教育。许多父母认为应该努力工作，确保孩子受到良好教育。他们不仅非常情愿为孩子的教育投资而且花很多时间督促他们学习。多数家长希望孩子能上名牌大学。由于改革开放，越来越多的家长能送孩子到国外学习或参与国际交流项目，以拓宽其视野。通过这些努力，他们期望孩子健康成长，为国家的发展和繁荣作出贡献。
作答
参考译文
Chinese families place great emphasis on their children's education. Many parents believe that they should work hard to ensure that their children receive a good education. They are not only very willing to invest in their children's education but also spend a lot of time supervising their studies. The majority of parents hope that their children can attend prestigious universities. Due to reform and opening up, an increasing number of parents can send their children abroad to study or participate in international exchange programs to broaden their horizons. Through these efforts, they expect their children to grow up healthily and contribute to the development and prosperity of the country.

本页为2019年12月英语四级真题（第1套）答案，支持隐藏答案自查。

写作题目：Recommend a city to a foreign friend who wants to teach English in China

翻译题干节选：中国家庭十分重视孩子的教育。许多父母认为应该努力工作，确保孩子受到良好教育。他们不仅非常情愿为孩子的教育投资而且花很多时间督促他们学习。多数家长希望孩子能上名牌…