2020年12月的四级考试已经结束啦，小编给大家准备了四级真题答案，快来对一下吧！
2020年12月四级考试答案三套全（对啊网版）
四级写作
第一套
【Directions】
For this part, you are allowed 30 minutes to write an essay on the change of communication. You should write at least 120 words but no more than 180 words.
【参考范文】
With the development of science and technology, we have witnessed the various huge changes of our daily life, among which, the change of communication is striking. However, people’s view on it never come to consensus. Concerning it, both communication online and offline have their merits.
For one thing, no one denies that communication online brings great convenience to us, especially to those who have friends or relatives in remote areas. Because the change makes it possible for them to have frequent chat. And, the way we contact with others is diverse. Video calls and voice message can both meet modern people’s satisfaction. For another, the change is also making us disconnected. Due to the availability, people are gradually reluctant to have face-to-face communication with surrounding people, which is isolating us from the people we love.
Given the factors above, the change of communication, we have to admit, is more like a double-edged sword. Neither do we discard it nor completely rely on it. Instead, we should make reasonable use of it so as to maximize its benefits.
【参考译文】
随着科学技术的发展，我们见证了我们日常生活中的各种巨大变化，其中沟通方式的变化是引人注目的。然而，人们对它的看法从来没有达成共识。在这方面，线上和线下的交流都有各自的优点。
一方面，没人否认网上交流带来的巨大便利性，特别是对那些在偏远地区有朋友或亲戚的人。因为这种变化使他们能频繁交流。而且，我们与他人联系的方式也是多种多样的。视频通话和语音信息都能满足现代人的需求。另一方面，这种变化也使我们“掉线”。由于其实用性，人们逐渐不愿意与周围的人面对面交流，这正在把我们和我们爱的人隔离开来。
鉴于上述因素，我们不得不承认，交流的变化更像一把双刃剑。我们既不能抛弃它，也不能完全依赖它。相反，我们应该合理利用它，使它的效益最大化。
写作第二套
【参考范文】
As a result of technological advance and globalized division of labor, the transportation we use has seen a lot of improvements, bringing us both convenience and challenges.
There are several major effects that come after these changes. First of all, the construction of infrastructure such as railways, expressways and airports are in full play around the world, which lays the foundation for modern vehicles to operate. Meanwhile, obsolete vehicles such as carriages and bicycles no longer fit modern roads. Furthermore, both the safety and the capacity of today’s cars, trains and airplanes have improved greatly compared to those in operation decades ago, let alone the comfort level for passengers. These developments have not only shortened people’s travel time, but also accelerated the pace of life and improved productivity.
Aside from the aformentioned advantages of changes in transportation, it is also undeniable that some potential negative effects lie in these changes. Nevertheless, every coin has two sides, and we must be convinced that the continual technological research can overcome the flaws of modern vehicles.
【参考译文】
科技的进步和国际范围的劳务分工给我们的交通方式带来了许多改进，这既为我们带来了方便，也给我们带来了挑战。
这些改变主要产生了几点影响。首先，铁路、高速公路、机场等基础设施的建设在全世界范围内都在如火如荼地开展，这为现代交通工具的运行奠定了基础。同时，马车、自行车这些过时的交通工具也不再适合现代道路了。除此之外，现在的汽车、火车、飞机无论是安全性还是载客量都比几十年前提高了很多，更不用说乘客的舒适度的提高了。这些发展不仅缩短了人们旅途中花费的时间，还加快了生活节奏、提高了生产力。
交通方式的改变除了有以上优点以外，也不可否认地具有一些潜在的负面影响。然而，正如每一个硬币都有两面，我们还是应该坚信不断的科技发展可以克服现代交通工具的缺陷。
写作第三套
【Directions】
For this part, you are allowed 30 minutes to write an essay on the change of education. You should write at least 120 words but no more than 180 words.
【参考范文】
Thanks to the development of modern technology, China has witnessed great changes in its way of education recently. Many people are choosing to study online instead of studying in classrooms. In my opinion, this change of education has brought various benefits both to the learners and the educators.
Firstly, the convenience of online study has benefited many learners because they can get access to the rich learning materials on the Internet without the limit of time and space. Online learning is especially effective when you need short-term training for exams on skills or techniques. Secondly, the school faculty are using online courses to teach the students. In 2020, during the outbreak of novel coronavirus, online teaching has ensured numerous students to attend classes through the Internet.
In summary, the change of from classroom education to online education provides more choices to Chinese learners and educators. These two ways of education can complement each other efficiently if we know how to use them in a flexible way.
【参考译文】
近来，由于现代科技的发展，中国的教育方式发生了巨大的变化。许多人选择在线学习而不是在教室里学习。在我看来，这种教育方面的改变给学习者和教育者都带来了各种各样的好处。
首先，网上学习的便利性使许多学习者受益匪浅，因为他们可以在网上不受时间和空间的限制而获得丰富的学习资料。当你需要短期的技能或技术考试培训时，在线学习尤其有效。第二，学校教师正在使用在线课程来教学生。2020年，在新型冠状病毒爆发期间，网络教学确保众多学生可以通过互联网上课。
综上所述，课堂教育向网络教育的转变为中国学习者和教育者提供了更多的选择。如果我们懂得如何灵活运用，这两种教育方式可以有效互补。
四级阅读
【选词填空1】
Directions:
In this section, there is a passage with ten blanks. You are required to T 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.
When my son completes a task, I can't help but praise him. It's only natural to give praise where praise is due, right? But is there such a thing as too much praise?According to psychologist Katherine Phillip, children don’t benefit from 26 praise as much as we’d like to think."Parents often praise, believing they are building their child's self-confidence. However,over-praising can have a_27_effect,” says Phillip.“When we use the same praise 28 , it may become empty and no longer valued by the child. It can also become an expectation that anything they do must be 29 with praise. This may lead to the child avoiding taking risks due to fear of 30 their parents.”
Does this mean we should do away with all the praise? Phillip says no."The key to healthy praise is to focus on the process rather than the 31 . it is the recognition of a child's attempt, or the process in which they achieved something, that is essential,"she says."Parents should encourage their child to take the risks needed to learn and grow”
So how do we break the 32 of praise we're all so accustomed to? Phillip says it's important to _33_ between ""person praise" and "process raise". "Person praise is 34_ saying how great someone is. It's a form personal approval. Process praise as acknowledgment of the efforts to person has just 35 . Children who receive person praise are more likely to feel shame after losing,"says Phillip.
答案1：
B. constant
ve
edly
L rewarded
C disappointing
H. outcome
I .pattern
D .distinguish
aken
【选词填空2】
The things people make,and the way they make them, determine how cities grow and decline, and influence how empires rise and fall.So,any disruption to the world' s factories matters.
And that disruption is surely coming. Factories are being digitised,filled with new sensors and new computers to make them quicker, more flexible, and more efficient.
Robots are breaking free from the cages that surround them, learning new skills,and new ways of working. And 3D printers have long promised a world where you can make anything,any- where,from a computerised design. That vision is moving closer to reality. These forces will lead to cleaner factories, producing better goods at lower prices, personalised to our individual needs and desires.Humans will be spared many of the dirty, repetitive,and dangerous jobs that have long been a feature of factory life.
Greater efficiency inevitably means fewer people can do the same work. Yet factory bosses in many developed countries are worried about a lack of skilled human workers-and see automation and robots as a solution.
But Helena Leurent says this period of rapid change in manufacturing is a fantastic opportunity to make the world a better
place. "Manufacturing is the one system where you have got the biggest source of innovation, the biggest source of economic growth,and the biggest source of great jobs in the past. "You can see it changing.That's an opportunity to shape that system differently,and if we can, it will have enormous significance."
答案2：
26.K) matters
27.G) flexible
28.M) promised
29.L)moving
30.O) spared
31.F)feature
32.H)inevitably
33.A)automation
34.D)fantastic
35..N)shape
【快读阅读1】
Poverty is a story about us,not them
36.[E] That comment,says Mothering Justice director Danielle Atkinson,"was meant to shame"
37.[H] But the fact that 4 in 10 Americans can't come up with$400 in an emergency is a commonly cited statistic for good reason: economic instability stretches across race,gender,and geography.
38.[M]According to the General Social Survey,71 percent of respondents believe the country is spending too little on"assistance to the poor."
39.[J] The Frame Works Institute,a research group that focuses on public framing of issues,has studied what sustains stereotypes and narratives of poverty in the United Kingdom
40.[D] If these are the central characters of our story about poverty,what layers of perceptions,myths,and realities must we unearth to find meaningful solutions and support?
41.[F] How many of us are poor in the U.S.?
42.[N]"Poverty has been interchangeable with people of color-specifically black women and"black mothers,"says Atkinson of Mothering Justice.
43.[]]Negative images remain of who is living in poverty as well as what is needed to move out of it.
44.[E]That comment,says Mothering Justice director Danielle Atkinson,"was meant to shame"
45.[L] Those external factors include the difficulties accompanying low-wage work or structural discrimination based on race,gender,or ability.
【快读阅读2】
The History of the Lunch Box
36.[F] City kids,on the other hand,went home for lunch and came back.
37.[J] The company sold 600, 000 units the first year.
38.[O] The introduction of backpacks changed the lunch box scene a bit,he adds.
39.[C] Lunch boxes have been connecting kids to cartoons and TV shows and super-heroes for decades.
40.[H] And then everything changed in the year of 1950.
41.[L] The new trend was also a great example of planned obsolescence,that is,to design a product so that it will soon become unfashionable or impossible to use and will need replacing.
42.[D] Let's start back at the beginning of the 20th century-the beginning of the lunch box story,really.
43.[A] It was made of shiny,bright pink plastic with a Little Mermaid sticker on the front,and I carried it with me nearly every single day.
44.[M] The metal lunch box craze lasted until the mid-1980s,when plastic took over.
45.[l] But these containers were really durable,lasting years on end.
【快读阅读3】
36. [H] Some San Jose residents say that as inequality has grown in recent years, upward mobility has become much more difficult to achieve.
37. [D]This is a city of immigrants—38 percent of the city’s population today is foreign-born—and immigrants and their children have historically experienced significant upward mobility in America.
38. [K] The idea that those at the bottom can rise to the top is central to America’s ideas about itself. That raises questions about the endurance of that foundational belief.
39. [B] Kids in San Jose whose families fell in the bottom quintile of income nationally had the best shot in the country at reaching the top quintile.
40. [G] Whether the city allows for upward mobility of poor kids today, though, is up for debate.
41. [I] Leaders in San Jose are determined to make sure that the city regains its status as a place where even poor kids can access the resources to succeed.
42. [E] Indeed, the streets of San Jose seem , in some says, to embody the best of America.
43. [C] San Jose had social mobility comparable to Denmark’s and Canada’s and higher than other progressive cities such as Boston and Minneapolis.
44. [H] Given this, the future for the region’s poor doesn’t look nearly as bright as it once did.
45. [F] But researchers aren’t sure exactly why poor kids in San Jose did so well.
【仔细阅读1】
Passage one
46. C They did not become popular until the emergence of improved batteries.
47. B The falling prices of ebike batteries.
48. D It will profit from ebike sharing.
49. A Retailers’ refusal to deal in ebikes.
50. D The younger generation’s pursuit of comfortable riding.
Passage Two
51. A To sway public opinion of the impact of human activities on Earth.
52. C It covers more phenomena.
53. D Deliberate choice of words.
54. B For greater precision
55. C Human activities have serious effects on Earth.
【仔细阅读2】
Passage one
46. A When they don’t have the chance to do what they want
47. D harmful conduct
48. B Many volunteers choose to hurt themselves rather than endure boredom.
49. C It may promote creative thinking.
50. D Allow oneself some time to be bored
Passage two
51. B. Forests are fast shrinking in many developing countries.
52. C Those that used to have the lowest forest coverage
53. A The government’s advocacy
54. C Their capacity of improving air quality
55. D Developed and developing countries are moving in opposite directions.
四级翻译
翻译第一套
【原文】
生活在中国不同地区的人们饮食多种多样。北方人主要吃面食，南方人大多吃米饭。在沿海地区，海鲜和淡水水产品在人们饮食中占有相当大的比例，而在其他地区人们的饮食中，肉类和奶制品更为常见。四川、湖南等省份的居民普遍爱吃辛辣食物，而江苏和浙江人更喜欢甜食。然而，因为烹任方式各异，同类食物的味道可能会有所不同。
【参考译文】
People who live in different parts of China have a variety of diets. Those in the north mainly eat food made with flour, while those in the south mostly eat rice. In coastal areas, seafood and freshwater products account for a considerable proportion in people’s diets, whereas in other areas, meat and dairy products are more common. Residents in Sichuan, Hunan and other provinces generally like spicy food, while people in Jiangsu and Zhejiang Provinces prefer sweet food. However, the taste of similar foods may be different due to various cooking methods.
翻译第二套
【原文】
鱼是春节前夕餐桌上不可或缺的一道菜，因为汉语中“鱼”字的发音与“余”字的发音相同。正由于这个象征性的意义，春节期间鱼也作为礼物送给亲戚朋友。鱼的象征意义据说源于中国传统文化。中国人有节省的传统，他们认为节省得愈多，就感到愈为安全。今天，尽管人们愈来愈富裕了，但他们仍然认为节省是一种值得弘扬的美德。
【参考译文】
Fish is an indispensable dish on the eve of the Spring Festival, because the Chinese character for fish sounds the same as the character for “abundant”. Due to this symbolic meaning, fish is also given as a gift to relatives and friends during the Spring Festival.The symbolic meaning of fish is said to be rooted in traditional Chinese culture.The Chinese people have a tradition of saving, believing that the more they save, the more secure they will feel. Today, despite the fact that people are getting richer and richer, they still regard saving as a virtue worth carrying forward.
翻译第三套
【原文】
春节前夕吃团圆饭是中国人的传统。团圆饭是一年中最重要的晚餐，也是家庭团聚的最佳时间，家人生活在不同地方的家庭尤其如此。团圆饭上的菜肴丰富多样，其中有些菜肴有特殊含义。例如，鱼是不可缺少的一道菜，因为汉语中的“鱼”字和“余”字听上去一样。在中国的许多地方，饺子也是一道重要的佳肴，因为饺子象征着财富和好运。
【参考译文】
It is a Chinese tradition to have a family reunion dinner on the eve of the Spring Festival. The reunion dinner is not only the most important dinner of the year, but also the best opportunity for family reunion, especially for the family with its members living in different places. The dishes served at the reunion dinner are rich and varied, some of which have special meanings. For example, fish is an indispensable dish because the Chinese character for “fish” sounds the same as the character for “abundant”. In many areas of China, dumpling is also an important delicacy because it symbolizes wealth and fortune.
四级听力
听力第一套
【News report 1】
(1) A poisonous fish which has a sting strong enough to kill a human is invading the Mediterranean, warn the scientist.
The International Union for the Conservation of Nature has raised concerns after the poisonous fish was spotted in the waters around Turkey, Cyprus and the eastern Mediterranean.
Native to the South Pacific and Indian Ocean, the potentially deadly fish has poisonous barbs and an painful sting capable of killing people.
Although fatalities are rare, the stings can cause extreme pain, and stop people breathing.
The fish, also known as the Devil Firefish, is a highly invasive a species, (2) and environmentalists fear its arrival could endanger other types of marine life.
After being spotted in the Med, a marine scientist says: "The fish is spreading, and that's a cause for concern.”
Q1: What is reported in the news?
1.D. A deadly fish has been spotted in the Mediterranean waters.
Q2: What is the environmentalist concern about the spread of devil fire fish in the Mediterranean?
2.B. It could pose a threat to other marine species.
【News report 2】
(3) Almost half the center of Paris will be accessible only by foot or bicycle this Sunday to mark World-Car-Free Day. (4) This is in response to rising air pollution that made Paris the most polluted city in the world for a brief time. Mayor Ann Ethogo promoted the first World-Car-Free Day last year. Ethogo also has supported a Pairs-briefs-Day on the first Sunday of every month. Paris clears traffic from eight lanes of the main road. About 400 miles of streets will be closed to cars. It is expected to bring significant reduction in pollution levels. (4) Last year's Car-Free Day showed a 40% drop in pollution levels in some parts of the city. According to an independent air pollution monitor, reports the guardian and sound levels dropped by 50% in the city center.
Q3: What will happen on World-Car-Free-Day in Paris?
3.C. About half of its city center will be closed to cars.
Q4: What motivated the mayor of Paris to promote the first World-Car-Free Day in her city?
4.D. The rising air pollution in Paris.
【News report3】
News Report Three
A Philippine fisherman was feeling down on his luck when a house fire forced him to clear out his possessions and change locations. Then, a good luck charm that he kept under his bed changed his life. (5) The unidentified man fished out a giant pearl from the ocean when his anchor got stuck on the rock while sailing off a coastal island in the Philippines 10 years ago. (6) When he was forced to sell it, (7) the shocked tourist agent at Puerto Francesca told him that the £77 giant pearl that he had kept hidden in his run-down wooden house was the biggest pile in the world, which was valued at £76 million.
The pearl of Allah, which is currently on display in a New York Museum, only weighs 14 pounds. That is 5 times smaller than the pearl that the fisherman just handed in. The monstrous pearl, measured at 1 foot wide and 2.2 feet long, is going to be verified by local experts and international authorities before hopefully going on display to attract more tourists in the little town.
Question 5. What happened to the Philippine fisherman one day?
5.A. His house was burnt down in a fire.
Question 6. What was the fisherman forced to do?
6.C. Sell the pearl he had kept for years.
Question 7. What did the fisherman learn from the tourist agent?
7.B. His monstrous pearl was extremely valuable.
【Conversation 1】
W: Mr. Smith, it's a pleasure meeting you.
M: Nice to meet you,too. What can I do for you?
W: Well, I'm here to show you what our firm can do for you. Astro Consultant has branches in over 50 countries, offering different business services. (8) We are a global company with 75 years of history and our clients include some of the world's largest companies.
M: Thank you, Mrs. Houston. I know Astro Consultant is a famous company, but you said you would show me what you could do for me. Well, what exactly can your firm do for my company?
W: We advise businesses on all matters—from market analysis to legal issues. Anything of business like yours could need, our firm offers expert advice. Could I ask you, Mr. Smith, to tell me a little about your company and the challenges you face? That way, I could better respond as to how we can help you.
M: OK, sure. (9) This is a family business started by my grandfather in 1950. We employed just over 100 people. We manufacture an export stone for buildings and other constructions. Our clients usually want a special kind of stone cut in a special design. That's what we do in our factory. (10) Our main challenge is that our national currency is rising and we're losing competitive advantage to stone producers in India.
W: I see. that's very interesting. (11) I would suggest that you let us first conduct a financial analysis of your company, together with an analysis of your competitors in India. That way we could offer the best advice on different ways forward for you.
Q8. What do we learn about the woman's company?
8.A. It boasts a fairly long history.
Q9. What does the man say about his own company?
9.D. It is a family business.
Q10. What is the main problem with the man's company?
10.B. Loss the competitive edge.
Q11. What does the woman suggest doing to help the man’s company?
11.D. Conducting a financial analysis for it.
【Conversation2】
W: Wow, Congratulations, Simon. The place looks absolutely amazing.
M: Really? You think so?
W: Of course, I love it! It looks like you had a professional interior designer. But you didn't, did you?
M: No. (12) I did it all by myself—with a little help from my brother Greg. He's actually in the construction business, which was really helpful.
W: Well, honestly, I'm impressed. I knew I could probably repaint the walls in my house over a weekend or something, but not a full renovation. Where did you get your ideas? I wouldn't know where to start.
M: (13) Well, for a while now, I've been regularly buying home design magazines every now and then, and say the picture I liked. Believe it or not, I had a full notebook of magazine pages. Since my overall style was quite minimal, I thought and hoped the whole renovation wouldn't be too difficult. And sure enough, with Greg's help,it was very achievable.
W: Was it very expensive? I imagine a project like this could be.
M: (14) Actually, it was surprisingly affordable. I managed to sell a lot of my old furniture, and put that extra money towards the new material. Greg was also able to get some discount of materials from a recent project he was working on as well.
W: Great. If you don't mind, I'd like to pick your brain a bit more. Jonathan and I are thinking of renovating our sitting room, not the whole house—not yet anyway. (15) And we'd love to get some inspiration from your experience. Are you free to come over for a coffee early next week?
Question 12. What do we learn about the woman from the conversation?
12.B. She is really impressed by the man’s house.
Question 13. Where did the man get his ideas for the project?
13.C. From home design magazines.
Question 14. What did the man say about the project he recently completed?
14.A. The cost was affordable.
Question 15. Why does the woman invite the man to her house next week?
15.D. She wants him to share his renovation experience with her.
【Passage 1】
(16) Removing foreign objects from ears and noses costs England almost￡3 million a year, a study suggests.
Children were responsible for the vast majority of cases. 95% of objects removed from noses, and 85% from ears. Every year, an average of 1,218 nose，and 2,479 ear removals took place between 2010 and 2016. (17) According to England's hospital episodes statistics, children aged 1 to 4 were the most likely to need help from doctors for a foreign object in their nose. 5 to 9 -year-olds come to the hospital with something in their ears the most.
Jewelry items accounted for up to 40% of cases in both the ears and noses of children. Paper and plastic toys for the items removed next most from noses. Cotton buds, and pencils were also found in years.
(18)According to the study, the occurrence of foreign objects in children is generally attributed to curiosity. Children have an impulse to explore their noses and ears. This results in the accidental entry of foreign objects. Any ear, nose and throat surgeon has many weird stories about wonderful objects found in the noses and ears of children and adults. Batteries can pose a particular danger. In all cases, prevention is better than cure. This is why many toys contain warnings about small parts. Recognizing problems early and seeking medical attention is important.
Question16 What does England spend an annual￡3 million on?
16.C. Removing objects from patients’ noses and ears.
Question17 What do we learn from England's hospital episodes statistics?
17.B. Five-to nine-year-olds are the most likely to put things in their ears.
Question18 What is generally believed to account for children putting things in their ears or noses?
18.D. They are curious about these body parts.
【Passage 2】
Good morning. Today, I would like to talk to you about my charity Re-bicycle.
But before that, let me introduce someone. This is Layla Rahimi. She was so scared when she first moved to new Zealand. Does she struggled to leave the house? I would spend days working up the courage to walk to the supermarket for basic supplies. (19) After a few months of being quite down and unhappy, she was invited to join a local bike club. At this time, Re-bicycle got involved and gave Layla a second-hand bicycle. Within weeks, her depression had begun to ease as she cycled. The bicycle totally changed her life, giving her hope and a true feeling of freedom. (20) To date, Re-bicycle has donated more than 200 bikes to those in need and is now expanding bike-riding lessons as a demand source. With a bike, new comers here can travel farther but for almost no cost. The 3 hours a day they used to spend walking to and from English language lessons has been reduced to just 1hour.
Our bike riding lessons are so successful that we are urgently looking for more volunteers, learning to ride a bike is almost always more difficult for an adult. And this can take days and weeks rather than hours. So if any of you have some free time during the weekend, please come join us at Re-bicycle and make a difference in someone’s life.
Question 19. What did Re-bicycle do to help Layla Rahimi?
19.A. It gave her a used bicycle.
Question 20. What is Re-bicycle doing to help those in need?
20.A. Expanding bike-riding lessons.
Question 21. What do we learn from the passage about Re-bicycle?
21.D. It is a charity organization.
【Passage 3】
Thanks to the international space station, (22) we know quite a bit about the effects of low gravity on the human body, but NASA scientists want to learn more.To that end, they have been studying how other species deal with low gravity, specifically focusing on mice. The results are both interesting and humorous. The scientists first sent some mice and especially designed cage to the international space station.The cage allowed them to study the behavior of the mice remotely from earth, via video.
As you’ll notice in the video, (23) the mice definitely seem uncomfortable at the beginning of the experiment.They move around clumsily, drifting within the small confines of the cage and do their best to figure out which way is up, but without success. However, it’s not long before the mice begin to catch on.They adapt remarkably well to their new environment, and even use the lack of gravity to their advantage as they push themselves around the cage. That’s when things really get wild. (24) The 11th day of the experiment shows the mice are not just dealing with the gravity change, but actually seem to be enjoying it. Several of the mice are observed running around the cage walls. The scientists wanted to see whether the mice would continue doing the same kinds of activities they were observed doing on earth.
(25) The study showed that the mice kept much of the routines intact, including cleaning themselves and eating when hungry.
Question 22 : What do NASA scientists want to learn about?
22.A. How animals deal with lack of gravity.
Question 23: What does the passage say about the mice at the beginning of the experiment?
23.C. They were not used to the low-gravity environment.
Question 24: What was observed about the mice on the 11th day of the experiment?
24.B. They already felt at home in the new environment.
Question 25: What did the scientists find about the mice from the experiment?
25.C. They behaved as if they were on Earth.
答案：
1. D. A deadly fish has been spotted in the Mediterranean waters.
2. B. It could pose a threat to other marine species.
3. C. About half of its city center will be closed to cars.
4. D. The rising air pollution in Paris.
5. A. His house was burnt down in a fire.
6. C. Sell the pearl he had kept for years.
7. B. His monstrous pearl was extremely valuable.
8. A. It boasts a fairly long history.
9. D. It is a family business.
10. B. Loss the competitive edge.
11. D. Conducting a financial analysis for it.
12. B. She is really impressed by the man’s house.
13. C. From home design magazines.
14. A. The cost was affordable.
15. D. She wants him to share his renovation experience with her.
16. C. Removing objects from patients’ noses and ears.
17. B. Five-to nine-year-olds are the most likely to put things in their ears.
18. D. They are curious about these body parts.
19. A. It gave her a used bicycle.
20. A. Expanding bike-riding lessons.
21. D. It is a charity organization.
22. A. How animals deal with lack of gravity.
23. C. They were not used to the low-gravity environment.
24. B. They already felt at home in the new environment.
25. C. They behaved as if they were on Earth.
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