2016年12月四级真题及参考答案第一套

2016年12月四级真题及参考答案第一套

Part I Writing （30minutes）

（请于正式开考后半小时内完成该部分，之后将进行听力考试）Directions：For this part，you are allowed 30 minutes to write an essay 。Suppose you are two options upon graduation：one is to take a job in a company and the other to go to a graduate school。You are to make a choice between the two。Write an essay to explain the reasons for your choice。You should write at least 120 words but no more than 180 words。

Part II Listening Comprehension （25 minutes）

Section A

Directions：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），C）。Then mark the corresponding letter on the Answer sheet1with a single line through the centre。

Questions 1and 2 are based on the news report you have just the heard。

1。A）It was going to be renovated。C）It was dangerous to live in。

B）He could no longer pay the rent。D）He had sold it to the royal family。

2。A）A storm。C） A forest fire。

B） A strike。D）A Terrorist attack。

Questions 3and 4 are based on the news report you have just heard。

3。A）They lost contact with the emergency department。

B）They were injured by suddenly falling rocks。

C）They sent calls for help via a portable radio。

D）They were trapped in an underground elevator。

4。A）They provided the miner with food and water。

B）They sent supplies to keep the miners warm。

C）They released the details of the accident。

D）They tried hard to repair the accident。

5。A）Raise postage rates。C）Close some of its post offices。

B）Improve its services。D）Redesign delivery routes。

6。A）Closing offices on holidays。C）Computerizing mail sorting processes。

B）Shortening business hours。D）Stopping mail delivery on Saturdays。

7。A）A lot of controversy will arise

B）Taxpayers will be very pleased

C）Many people will begin to complain

D）Many post office staff will lose their jobs

Section B

Directions：In this section，you will hear two long conversations.At the end of eachconversation，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 four choice marked A），B），C）and D）。Then mark the corresponding letter an Answer sheet1 with a single line though the centre。

8。A）He will lose part of his pay。C）He will be given a warning。

B）He will go through retraining。D）He is go good terms with his workmates。

9。A）He is an experienced press operator。C）He is always on time。

B）He is trustworthy guy。D）He is go good terms with his workmates。

10。A）She is a trade union representative。C）She is better at handing such matters。

B）She is a senior manager of the shop。D）She is in charge of public relation。

11。A）He is always trying to stir up trouble。

B）He is skilled and experienced。

C）He is very close to the manager。

D）He is always complaining about low wages。

Question12 to 15 are based on the conversation you have just heard。

12。A）Open。C）Selfish。

B）Reserved。D）Friendly。

13。A）They read a book。C）They stay quiet。

B）They talk about the weather D）They chat with fellow passengers。

14。A）She was unwilling to make friends with workmates。

B）She was never invited to a colleague’s home。

C）She was eager to visit an English castle。

D）She was always treated as a foreigner。

15.A）House are much more quiet。C）They want a garden of their own。

B）They want to have more space。D）Houses provide more privacy。

Section C

Directions：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.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 16 to 18 are based on the passage you have just heard。

16.A）They will automatically be given hiring priority。

B）They don’t have to go through job interviews。

C）They are likely to get much higher pay。

D）They don’t have much choice of jobs。

17.A）Visit the school careers services。C）Look at school bulletin boards。

B）Ask their professors for help。D）Go through campus newspapers。

18.A）Providing students with information about the library。

B）Helping students arrange appointments with librarians。

C）Supervising study spaces to ensure a quiet atmosphere。

D）Helping students find the books and journals they need。

Questions 19 to 21 are based on the passage you have just heard。

19.A）It tastes better。C）It is easier to grow。

B）It may be sold at a higher price。D）It can better survive extreme weathers。

20.A）It can grow in drier soil。C）It will replace green tea one day。

B）It is immune to various diseases。D）It is healthier than green tea。

21.A）It does not have a stable market。

B）It has made tea farmers’ life easier。

C）It does not bring the promised health benefits。

D）It has been well received by many tea drinkers。

Questions 22 to 25 are based on the passage you have just heard。

22。A）They care more about environment。

B）They decorate their homes themselves。

C）They prefer unique objects of high quality。

D）They need decorations to show their status。

23。A）They made great contributions to society。

B）They could only try to create at night。

C）They were proud of their creations。

D）They focused on the quality of their products。

24。A）Identify fake crafts。C）Design handicrafts themselves。

B）Make wise choices。D）Learn the importance of creation。

25。A）To attract foreign investments。C）To arouse public interest in crafts。

B）To preserve the traditional culture。D）To boost the local economy。

PARTⅢ Reading Comprehension （40 minutes）

Section A

Directions：In this section，there is a passage with ten blanks。You are required to select oneword 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。

Many men and women have long bought into the idea that there are“male”and“female”brains，believing that explains just about every difference between the sexes.A new study 26 that belief，questioning whether brains really can be distinguished by gender。

In the study，Tel Aviv University researchers 27 for sex differences throughout the entire human brain

And what did they find？Not much。Rather than offer evidence for 28 br ains as “male” or“female”，research shows that brains fall into a wide range ，with most people falling right in the middle。

Daphna Joel ，who led the study，said her research found that while there are some gender‐based 29 ，many different types of brain c an’t always be distinguished by gender。

While the “average”male and“average”female brains were

30different，you couldn’t tell it by looking at individual brain scans。Only a small 31of people had “all-male”or“all-female”characteristics。

Larry Cahill，an American neuroscientist（神经科学家），said the

study is an important addition to a growing body of research questioning 32 beliefs about gender and brain function。But he cautioned against concluding from this study that all brains are the same，33 of gender。

“There’s a mountain of evidence 34 the importance of sex influences at all levels of brain function ，”he told The Seattle Times。

If anything，he said，the study 35that gender plays a very

important role in the brain—“even when we are not clear exactly how。”

A）abnormal I）regardless

B）applied J）searched

C）brieflyK）similarities

D）categorizing L）slightly

E）challenges M）suggests

F）figure N）tastes

G）percentage O）traditional

、H）proving

Section B

Directions：In this section，you are gonging to read a passage with ten statements attached to it。Each statement contains information given in one of the paragraphs。Identify theparagraph from which the information is derived。You may choose a paragraphmore than once.Each paragraph is marked with a letter。Answer the questions by marking the corresponding letter on Answer sheet 2。

Can Burglars Jam Your wireless Security System？

[A] Any product that promises to protect your home deserves careful examination。So it isn’t surprising that you’ll find plenty of strong opinion about the potential vulnerabilities of popular

home-security systems。

[B] The most likely type of burglary（入室盗窃）by far is the unsophisticated crime of opportunity，usually involving a broken or some forced entry。According to the FBI，crimes like these accounted for roughly two-thirds of all household burglaries in the US in 2003。The wide majority of the rest were illegal，unforced entries that

resulted from something like a window being left open。The FBI

does n’t even track those statistics。

[C] One of the main theoretical home-security concerns is whether or not a given system is vulnerable to being blocked from working altogether。With wired setups，the fear is that a burglar（入室盗窃）might be able to shut your system down simply by cutting the right cable。With a wireless setup，you stick battery-powered sensor up around your home that keeps an eye on windows，doors，motion，and more。If they detect something wrong while the system is armed，they’ll transmit a w ireless alert signal to aa base station that will then raise the alarm。Thatapproach will eliminate most cord-cutting concerns-but what about their wireless equivalent，jamming？With the right device tuned to the right frequency，what’s to stop a thief from jamming your setup and blocking that alert signal from ever reaching the base station？

[D] Jamming concerns are nothing new，and they’re not unique to security systems。Any deviceThat’s built to receive a wireless signal at

a specific can be overwhelmed by a stronger signal coming in on the same frequency。For comparison，let’s say you wanted to “jam” a conversation between two people-all you’d need to do is yell in the listener’s ear。

[E] Security devices are required to list the frequencies they broadcast on-that means that a potential thief can find what they need

to know with minimal Googling。They will，however，need to know what system they’ are looking for。If you have a sign in your yard declaring what setup you use，that’d point them in the ri ght direction，thought at that point，we’ are talking about a highly targeted，

semi-sophisticated attack，and not the sort of forced-entry attack that makes up the majority of burglaries。It’s easier to find and acquire jamming equipment for some frequencies than it is for others。

[F] Wireless security providers will often take steps to help combat the threat of jamming attacks。SimpliSafe，winner of our Editors’ Choice distinction，utilizes a special system that’s capable of separating incidental RF interference form targeted jamming attacks。When the system thinks it’s being jammed，it’ll notify you via push alert （推送警报）。From there，it’s up to you to sound the alarm manually。

[G] SimpliSafe was singled out in one recent article on jamming，

complete with a video showing the entire system being effectively bypassed with handheld jamming equipment 。After taking appropriate measure to contain the RF interference to our test lab，we tested the attack out for ourselves，and were able to verify that it’ is possible with the right equipment。However，we also verified that SimpliSafe’s anti-jamming system words。It caught us in the act，sent an alert to my smartphone，and also listed our RF interference on the

system’s event log。The team behind the article and video in question make no mention of the system，or whether or not it detected them。

[H] We like the unique nature of that software。It means that a thief likely wouldn’t be able to Google how the system words，then figure out a way around it。Even if they could，SimpliSafe claims that its system is always evolving，and that it varies slightly form system to system，which means there wouldn’t be a universal magic formula for cracking it。Other systems also seem confident on the subject of jamming。The team at Frontpoint addresses the issue in a blog on its site，citing their own jam protection software and claiming that there aren’t any documented cases of a successful jam attack since the company began offering wireless security sensors in the 1980s。

[I] Jamming attacks are absolutely possible。As said before，with the right equipment and the right know-how，it’s possible to jam any wireless transmission。But how probable is it that someone will successfully jam theirway into your home and steal your stuff？

[J] Let’s imagine that you live in a small home with a wireless security setup that offers a functional anti-jamming system。First，a thief is going to need to target your home，specifically.Then，he’s going to need to know the technical details of your system and acquire the specific equipment necessary for jamming your specific setup。

Presumably，you keep your doors locked at night and while you’re away，so the thief will still need to break in。That means defeating the lock somehow，or breaking a window 。He’ll need to be jamming you at this point，as a broken window or opened door would normally release the alarm 。So，too，would the motion detectors in your home，so the thief will need to continue jamming once he’s inside and searching for things to steal。However，he’ll need to do so without tripping the anti-jamming system，the details of which he almost certainly does not have access to。

[K] At the end of the day，these kinds of systems are primarily

designed to protect against the sort of opportunistic smash-and-grab attack that makes up the majority of burglaries。They’re also only a single layer in what should ideally be a many-sided approach to securing your home，one that includes common sense things like sound locks and proper exploit lighting at night。No system is impenetrable，and none can promise to eliminate the worst case completely。Every one of them has vulnerabilities that a knowledgeable thief could theoretically exploit。A good system is one that keeps that worst-case setting as improbable as possible while also offering strong protection in the event of a less-extraordinary attack。

36。It is possible for burglars to make jamming attacks with the necessary equipment and skill。

37。Interfering with a wireless security system is similar to interfering with a conversation。

38。A burglar has to continuously jam the wireless security device to avoid triggering the alarm，both inside and outside the house。

39。SimpliSafe provides devices that are able to distinguish incidental radio interference from targeted jamming attacks。

40。Only a very small proportion of burglaries are committed by technical means。

41。It is difficult to crack SimpliSafe as its system keeps changing。

42。Wireless devices will transmit signals so as to activate the alarm once something wrong is detected。

43。Different measures should be taken to protect one’s home from burglary in addition to the wireless security system。

44。SimpliSafe’s device can send a warning to the house owner’s cellphone。

45.Burglars can easily get a security device’s frequency by Internetsearch。

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 maked A），B），C）and D）。You should decide on the best choice and mark the corresponding letter on Answer Sheet2 with a single line through the centre。

Passage One

Questions 46 to 50 are based on the following passage。

As a person who writers about food and drink for a living，I

couldn’t tell you the first thing about Bill Perry or whether the beers he sells are that great。But I can tell you that I like this guy。That’s because he plans to ban tipping in favor of paying his servers an actual living wage。

I hate tipping。

I hate it because it’s an obligation disguised as an option。I hate it for the post-dinner math it requires of me。But mostly，I hate tipping

because I believe I would be in a better place if pay decisions regarding employees were simply left up to their employers，as is the custom in virtually every other industry。

Most of you probably think that you hate tipping，too。Research suggest otherwise。You actually love tipping！You like to feel that you

have a voice in how much money you server makes。No matter how the math works out，you persistently view restaurants with voluntary tipping systems as being a letter value，which makes it extremely difficult for restaurants and bars to do away with the tipping system。

One argument that you tend to hear a lot from the pro-tipping crowd seems logical enough：the service is better when waiters depend on tips，presumably because they see a benefit to successfully veiling their contempt for you 。Well ，if this were true we would all be slipping a few 100 dollar bills to our doctors on the way out their doors，too。But as it turns out，waiters see only a tiny bump in tips when they do an exceptional job compared to a passable one。Waiters，keen observers of humanity that they are ，are catching on to this；in one poll，a full 30% said they didn’t believe the job they did any impact on the tips they received。

So come on，folks：get on board with ditching the outdated tip system。Pay a little more up –front for your beer or burger。Support Bill Perry’s pub，and any other bar or restaurant that doesn’t ask you to do drunken math。

46。What can we learn about Bill Perry from the passage？

A）He runs a pub that serves excellent beer。

B）He intends to get rid of the tipping practice。

C）He gives his staff a considerable sum for tips。

D）He lives comfortably without getting any tips。

47。What is the main reason why the author hates tipping？

A）It sets a bad example for other industries。

B）It adds to the burden of ordinary customers。

C）It forces the customer to compensate the waiter。

D）It poses a great challenge for customers to do math。

48。Why do many people love tipping according to the author？

A）They help improve the quality of the restaurants they dine in。

B）They believe waiters deserve such rewards for good service。

C）They want to preserve a wonderful tradition of the industry。

D）They can have some say in how much their servers earn。

49。What have some waiters come to realize according to a survey？

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2016年12月英语四级真题（卷一） PartⅠ Writing (30 minutes) Directions: For this part, you are allowed 30 minutes to write an essay. Suppose you have twooptions upon graduation: one is to find a job somewhere and the other to start abusiness of your own. You are to make a decision. Write an essay to explain the reasonsfor your decision. You should write at least 120 words but no more than 180 words. Part Ⅱ >>音频下载 Listening Comprehension ( 25 minutes) Section A Directions: In this section, you will hear three news reports. At the end of each newsreport, you will hear two or three questions. Both the news report and thequestions will be spoken only once. After you hear a question, you mustchoose 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 linethrough the centre. Questions 1 and 2 are based on the news report you have just heard. 1. A. It was dangerous to live in. B. It was going to be renovated. C. He could no longer pay the rent. D. He had sold it to the royal family. 2. A. A strike. B. A storm. C. A forest fire. D. A terrorist attack. Questions 3 and 4 are based on the news report you have just heard. 3. A. They lost contact with the emergency department. B. They were trapped in an underground elevator. C. They were injured by suddenly falling rocks. D. They sent calls for help via a portable radio. 4. A. They tried hard to repair the elevator. B. They released the details of the accident. C. They sent supplies to keep the miners warm. D. They provided the miners with food and water. Questions 5 to 7 are based on the news report you have just heard. 5. A. Raise postage rates. B. Improve its services. C. Redesign delivery routes. D. Close some of its post offices. 6. A. Shortening business hours. B. Closing offices on holidays. C. Stopping mail delivery on Saturdays. D. Computerizing mall sorting processes.

2016年12月大学英语四级真题及答案第二套

2016年12月大学英语四级考试真题(第2套) (30 minutes) Directions: For this part, you are allowed 30 minutes to write an essay. Suppose you have twooptions upon graduation: one is to take a job in a company and the other to go to agraduate school. You are to make a choice between the two. Write an essay to explain thereasons for your choice. You should write at least 120 words but no more than 180words. Part Ⅱ Listening Comprehension (25 minutes ) Section A Directions: In this section, you will hear three news reports. At the end of each newsreport, you will hear two or three questions. Both the news report and thequestions will be spoken only once. After you hear a question, you mustchoose the best answer from the four choices marked A, B, C and D .Then mark the corresponding letter on Answer Sheet I with a single linethrough the centre. Questions 1 and 2 are based on the news report you have just heard. 1. A. To satisfy the curiosity of tourists. B. To replace two old stone bridges. C. To enable tourists to visit Goat Island. D. To improve utility services in the state. 2. A. Countless tree limbs. B. A few skeletons. C. Lots of wrecked boats and ships. D. Millions of coins on the bottom. Questions 3 and 4 are based on the news report you have just heard. 3. A. It suspended diplomatic relations with Libya. B. It urged tourists to leave Tunisia immediately. C. It shut down two border crossings with Libya. D. It launched a fierce attack against Islamic State. 4. A. Advise Tunisian civilians on how to take safety precautions. B. Track down the organization responsible for the terrorist attack. C. Train qualified security personnel for the Tunisian government. D. Devise a monitoring system on the Tunisian border with Libya. Questions 5 to 7 are based on the news report you have just heard. 5. A. An environment-friendly battery. B. An energy-saving mobile phone. C. A plant-powered mobile phone charger. D. A device to help plants absorb sunlight. 6. A. While sitting in their school's courtyard. B. While playing games on their phones. C. While solving a mathematical problem. D. While doing a chemical experiment. 7. A. It increases the applications of mobile phones.

2016年12月英语四级真题第3套

2016年12月英语四级考试真题（第3套） Part I Writing(30 minutes) Directions: For this part, you are allowed 30 minutes to write an essay. Suppose you have two options upon graduation: one is to find a job somewhere and the other to start a business of your own. You are to make a decision. Write an essay to explain the reasons for your choice. You should write at least 120 words but no more than 180words. 说明：由于2016年12月四级考试全国共考了2套听力，本套真题听力与前2套内容完全一样，只是顺序不一样，因此在本套真题中不再重复出现。 Part III Reading Comprehension (40 minutes) 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. When someone commits a criminal act, we always hope the punishment will match the offense. But when it comes to one of the crudest crimes—animal fighting—things __26__ work out that way. Dog-fighting victims are __27__ and killed for profit and “sport,” yet their criminal abusers often receive a __28__ sentence for causing a lifetime of pain. Roughly half of all federally-convicted animal fighters only get probation （缓刑）. Some progress has been made in the prosecution（起诉）of animal fighters. But federal judges often rely heavily on the U.S. Sentencing Guidelines when they __29__ penalties, and in the case of animal fighting, those guidelines are outdated and extremely __30__ . The U.S. Sentencing Commission, which __31__ these sentencing guidelines, is revisiting them, proposing to raise the minimum sentence from 6-12 to 21-27 months. This is a step in the right __32__ , but we’d like to see the U.S. Sentencing Commission make further changes to the guidelines. Along with this effort, we’re working with animal advocates and state and federal lawmakers to __33__ anti-cruelty laws across the country, as well as supporting laws and policies that assist overburdened animal __34__ that care for animal fighting victims. This help is__35__ important because the high cost of caring for animal victims is a major factor that prevents people from getting involved in cruelty cases in the first place. A)convenient B) creates C) critically D) determine E) direction F) hesitate G) inadequate H)inspired I)method J) minimal K) rarely L)shelters M) strengthen N) sufferings O)tortured 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.