大学英语六级考试真题模拟和答案第三套.docx
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1、大学英语六级考试真题和答案第三套资料仅供参考 6月大学英语六级考试真题(第三套)听力同第二套Part IIISection AQuestions 36 to 45 are based on the following passage.Travel websites have been around since the 1990s, when Expedia, Travelocity, and other holiday booking sites were launched, allowing travelers to compare flight and hotel prices with
2、the click of a mouse. With information no longer 36_ by travel agents or hidden in business networks, the travel industry was revolutionized, as greater transparency helped 37_ prices.Today, the industry is going through a new revolutionthis time transforming service quality. Online rating platforms
3、38_ in hotels, restaurants, apartments, and taxisallow travelers to exchange reviews and experiences for all to see.Hospitality businesses are now ranked, analyzed, and compared not by industry 39_, but by the very people for whom the service is intendedthe customer. This has 40_ a new relationship
4、between buyer and seller. Customers have always voted with their feet; they can now explain their decision to anyone who is interested. As a result, businesses are much more 41_, often in very specific ways, which creates powerful 42_ to improve service.Although some readers might not care for gossi
5、py reports of unfriendly bellboys(行李员)in Berlin or malfunctioning hotel hairdryers in Houston, the true power of online reviews lies not just in the individual stories, but in the websites 43_ to aggregate a large volume of ratings.The impact cannot be 44_. Businesses that attract top ratings can en
6、joy rapid growth, as new customers are attracted by good reviews and 45_ provide yet more positive feedback. So great is the influence of online ratings that many companies now hire digital reputation managers to ensure a favorable online identity.A) accountableB) capacityC) controlledD) entailE) fo
7、rgedF) incentivesG) occasionallyH) overstatedI) persistingJ) pessimisticK) professionalsL) slashM) specializingN) spectatorsO) subsequentlySection BPlastic SurgeryA better credit card is the solution to ever larger hack attacksA A thin magnetic stripe (magstripe) is all that stands between your cred
8、it-card information and the bad guys. And theyve been working hard to break in. Thats why is shaping up as a major showdown: banks, law enforcement and technology companies are all trying to stop a network of hackers who are succeeding in stealing account numbers, names, email addresses and other cr
9、ucial data used in identity theft. More than 100 million accounts at Target, Neiman Marcus and Michaels stores were affected in some way during the most recent attacks, starting last November.B Swipe(刷卡)is the operative word: cards are increasingly vulnerable to attacks when you make purchases in a
10、store. In several recent incidents, hackers have been able to obtain massive information of credit-, debit-(借记)or prepaid-card numbers using malware, i.e. malicious software, inserted secretly into the retailers point-of-sale systemthe checkout registers. Hackers then sold the data to a second group
11、 of criminals operating in shadowy comers of the web. Not long after, the stolen data was showing up on fake cards and being used for online purchases.C The solution could cost as little as $2 extra for every piece of plastic issued. The fix is a security technology used heavily outside the U.S. Whi
12、le American credit cards use the 40-year-old magstripe technology to process transactions, much of the rest of the world uses smarter cards with a technology called EMV (short for Europay, MasterCard, Visa) that employs a chip embedded in the card plus a customer PIN (personal identification number)
13、 to authenticate(验证)every transaction on the spot. If a purchaser fails to punch in the correct PIN at the checkout, the transaction gets rejected. (Online purchases can be made by setting up a separate transaction code.)D Why havent big banks adopted the more secure technology? When it comes to mai
14、ling out new credit cards, its all about relative costs, says David Robertson, who runs the Nihon Report, an industry newsletter: The cost of the card, putting the sticker on it, coding the account number and expiration date, embossing(凸印)it, the small envelopall put together, you are in the dollar
15、range. A chip-and-PIN card currently costs closer to $3, says Robertson, because of the price of chips. (Once large issuers convert together, the chip costs should drop.)E Multiply $3 by the more than 5 billion magstripe credit and prepaid cards in circulation in the U.S. Then consider that theres a
16、n estimated $12.4 billion in card fraud on a global basis says Robertson. With 44% of that in the U.S., American credit-card fraud amounts to about $5.5 billion annually. Card issuers have so far calculated that absorbing the liability for even big hacks like the Target one is still cheaper than rep
17、lacing all that plastic.F That leaves American retailers pretty much alone the world over in relying on magstripe technology to charge purchasesand leaves consumers vulnerable. Each magstripe has three tracks of information, explains payments security expert Jeremy Gumbley, the chief technology offi
18、cer of CreditCall, an electronic-payments company. The first and third are used by the bank or card issuer. Your vital account information lives on the second track, which hackers try to capture. Malware is scanning through the memory in real time and looking for data, he says. It creates a text fil
19、e that gets stolen.G Chip-and-PIN cards, by contrast, make fake cards or skimming impossible because the information that gets scanned is encrypted(加密). The historical reason the U.S. has stuck with magstripe, ironically enough, is once superior technology. Our cheap, ultra-reliable wired networks m
20、ade credit-card authentication over the phone frictionless. In France, card companies created EMV in part because the telephone monopoly was so maddeningly inefficient and expensive. The EMV solution allowed transactions to be verified locally and securely.H Some big banks, like Wells Fargo, are now
21、 offering to convert your magstripe card to a chip-and-PIN model. (Its actually a hybrid(混合体)that will still have a magstripe, since most U.S. merchants dont have EMV terminals.) Should you take them up on it? If you travel internationally, the answer is yes.I Keep in mind, too, that credit cards ty
22、pically have better liability protection than debit cards. If someone uses your credit card fraudulently(欺诈性地)its the issuer or merchant, not you, that takes the hit. Debit cards have different liability limits depending on the bank and the events surrounding any fraud. If its available, the logical
23、 thing is to get a chip-and-PIN card from your bank, says Eric Adamowsky, a co-founder of CreditCardI. I would use credit cards over debit cards because of liability issues. Cash still works pretty well too.J Retailers and banks stand to benefit from the lower fraud levels of chip-and-PIN cards but
24、have been reluctant for years to invest in the new infrastructure(基础设施)needed for the technology, especially if consumers dont have access to it. Its a chicken-and-egg problem; no one wants to spend the money on upgraded point- of-sale systems that can read the chip cards if shoppers arent carrying
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