[外语类试卷]大学英语六级模拟试卷499及答案与解析.doc

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1、大学英语六级模拟试卷 499及答案与解析 一、 Part I Writing (30 minutes) 1 1上图所示为我国近年来参加志愿活动的大学生人数,请描述其变化; 2请分析变化的原因; 3作为大学生,你对志愿活动有什么看法 ? 二、 Part II Reading Comprehension (Skimming and Scanning) (15 minutes) Directions: In this part, you will have 15 minutes to go over the passage quickly and answer the questions attac

2、hed to the passage. For questions 1-4, mark: Y (for YES) if the statement agrees with the information given in the passage; N (for NO) if the statement contradicts the information given in the passage; NG (for NOT GIVEN) if the information is not given in the passage. 2 eBay eBay is a global phenome

3、non-the worlds largest garage sale, online shopping center, ear dealer and auction site with 147 million registered users in 30 countries as of March 2005. You can find everything from encyclopedias to olives to snow boots to stereos to airplanes for sale. And if you stumble on it before the eBay ov

4、erseers do, you might even find a human kidney or a virtual date. eBay Basics eBay is, first and foremost, an online auction site. You can browse through categories like Antiques, Boats, Clothing Accessories, Computers Networking, Jewelry Watches and Video Games. When you see something you like, you

5、 click on the auction title and view the details, including pictures, descriptions, payment options and shipping information. If you place a bid on an item, you enter a contractual agreement to buy it if you win the auction. All auctions have minimum starting bids, and some have a reserve price-a se

6、cret minimum amount the seller is willing to accept for the item. If the bidding doesnt reach the reserve price, the seller doesnt have to part with the item. In addition to auctions, you can find tons of fixed-price items on eBay that make shopping there just like shopping at any other online marke

7、tplace. You see what you like, you buy it, you pay for it and you wait for it to arrive at your door. You can pay for an item on eBay using a variety of methods, including money order, cashiers check, cash, personal check and electronic payment services like PayPal and BidPay. Its up to each seller

8、to decide which payment methods hell accept. Just as you can buy almost anything on eBay, you can sell almost anything, too. Using a simple listing process, you can put all of the junk in your basement up for sale to the highest bidder. When you sell an item on eBay, you pay listing fees and turn ov

9、er a percentage of the final sale price to eBay. Once you register (for free) with eBay, you can access all of your eBay buying and selling activities in a single location called “My eBay.“ eBay Infrastructure A series of service disruptions in 1999 caused real problems for eBays business. Over the

10、course of three days, overloaded servers intermittently shut down, meaning users couldnt check auctions, place bids or complete transactions during that period. Buyers, sellers and eBay were, very unhappy, and a complete restructuring of eBays technological architecture followed. In 1999, eBay was o

11、ne massive database server and a few separate systems running the search function. In 2005, eBay is about 200 database servers and 20 search servers. The architecture is a type of grid computing that allows for both error correction and growth. With the exception of the search function, everything a

12、bout eBay can actually run on approximately 50 servers-Web servers, application servers and data-storage systems. Each server has between 6 and 12 microprocessors. These 50 or so servers run separately, but they talk to each other, so everybody knows if there is a problem somewhere, eBay can simply

13、add servers to the grid as the need arises. While the majority of the site can run on 50 servers, eBay has four times that. The 200 servers are housed in sets of 50 in four locations, all in the United States. When youre using eBay, you may be talking to any one of those locations at any time-they a

14、ll store the same data. If one of the systems crashes, there are three others to pick up the slack. When youre on the eBay Web site and you click on a listing for a Persian rug, your com-puter talks to Web servers, which talk to application servers, which pull data from storage servers so you can fi

15、nd out what the latest bid price is and how much time is left in the auction, eBay has local partners in many countries who deliver eBays static data to cut down on download time, and there are monitoring systems in 45 cities around the world that constantly scan for problems in the network. Using e

16、Bay: Security In order to make buyers feel safer when making purchases on eBay, all tangible (有形的 ) items are automatically insured for $200. A recipe that was supposed to be delivered to you via e-mail is not considered a tangible item. But if you purchased a set of speakers that never arrived, and

17、 you go through the dispute process and eBay determines you were defrauded (欺骗 ), you can get your money back up to $200. Buyer Fraud Buyer fraud is typically less damaging than seller fraud. The most common type of fraud a buyer can commit is simply not paying for an item. Sellers can deal with non

18、-paying bidders by filing an Unpaid Item dispute, eBay will then attempt to contact the buyer and get her to pay. If she does not respond to eBays attempts after eight days, the seller is reimbursed (赔偿 )for eBays cut of the final sale price and can relist the item for free. If the buyer does respon

19、d, the dispute can end in one of three ways: The buyer decides to pay, and everybodys happy. The buyer and the seller decide together to abandon the transaction, the seller gets reimbursed for the final-value fee and relists the item for free, and everybodys happy. The seller decides not to deal wit

20、h the buyer, the buyer gets an unpaid-item strike against her, and the seller gets reimbursed for the final-value fee and relists the item for free. In the end, the damage to the seller is relatively small. Another type of buyer fraud occurs when a buyer sends false payment. In most cases, this is i

21、n the form of a bounced check, and the seller finds out about it before shipping the item. Bounced checks are as common on eBay as they are in the rest of the world, and many sellers choose not to accept personal checks for this reason. Seller Fraud Seller fraud is what most people think about when

22、they worry about using eBay. There are two main ways in which a buyer can be defrauded by a seller. The item the buyer purchased is dramatically different from how it was described in the listing; or the item simply never arrives. One thing to keep in mind when you think youve been defrauded is that

23、 miscommunication is common on eBay. For instance, if you didnt read every word of the auction listing for your item, you may have missed the part that said the seller would be out of town for three weeks and wouldnt be able to ship the item until she returned. This could be why you dont have your i

24、tem and the seller isnt answering your e-mails. Also, e-mail is not the most straightforward form of communication. If your item hasnt arrived after two weeks, and youve e-mailed the seller but havent heard back, its a good idea to check your junk mail folder. Your seller may have sent a response e-

25、mail that just never made it to your inbox. If theres nothing from the seller in your junk folder, you can request that eBay reveal your sellers phone number so you can give him a call and see whats going on. If you dont get an answer to your phone call (or if your seller lives in another country an

26、d it would cost too much money to call), your next step is to start the dispute process. When a buyer believes he has been defrauded, he can file a complaint, and eBay will work to solve the problem. When you file a complaint in eBays “Item Not Received or Significantly Not as Described“ system, eBa

27、y will act as middleman between you and your seller to try to settle the dispute. If that fails, you can file a claim to get reimbursed for your purchase. 2 Which of the following may be banned by eBay overseers? ( A) Virtual dates. ( B) Any over-priced products. ( C) Priceless antiques. ( D) Rare a

28、nimals for pets. 3 Sellers have the right to refuse the deal if the offer is lower than _. ( A) the minimum starting bid ( B) the reserve price ( C) the average market price ( D) the wholesale cost 4 PayPal and BidPay are special names for _. ( A) money orders ( B) cashiers checks ( C) personal chec

29、ks ( D) electronic payment services 5 On,eBay, you buy or sell an item at _. ( A) My Account ( B) My Market ( C) My Store ( D) My eBay 6 At present, each of eBays server is equipped with _ microprocessors. ( A) 200 ( B) about 50 ( C) 6 to 12 ( D) 20 7 When you click on a listing on the eBay Web site

30、, your computer first communicates to _. ( A) search servers ( B) Web servers ( C) application servers ( D) storage servers 8 A recipe is not considered tangible item if_. ( A) it is delivered later than the contracted time ( B) it never arrives at your place ( C) it is delivered to the buyer throug

31、h e-mail ( D) it costs less than the market price 9 Sellers may contact eBay and apply for an Unpaid Item dispute against_. 10 Many sellers tend to refuse personal checks for fear of_. 11 During the dispute process between the seller and the buyer, eBay plays the role of_. Section A Directions: In t

32、his section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the conversation and the questions will be spoken only once. After each question there will be a pause. During the pause, you must

33、 read the four choices marked A, B, C and D, and decide which is the best answer. ( A) They are looking for a train station. ( B) They are waiting for a performance. ( C) They are repairing their car. ( D) They are listening to the radio. ( A) Mississippi River is 6,040 kilometers. ( B) Yukon River

34、is 3,186 kilometers. ( C) Alaska River is 3,168 kilometers. ( D) Colorado River is 2,186 kilometers. ( A) Hosting a seminar. ( B) Giving a lecture. ( C) Giving a report. ( D) Introducing a book. ( A) She is the supervisor of the HR department. ( B) Her friend is the supervisor of the HR department.

35、( C) She can help the man to get an interview opportunity. ( D) She has some relatives working for the company. ( A) He doesnt know her at all. ( B) He wont recommend her to the woman. ( C) He needs to hire her for his son. ( D) He has asked her to work for him at weekdays. ( A) The workers make man

36、y complaints. ( B) The workers make a lot of objections. ( C) The workers make lots of proposals. ( D) The workers make numerous mistakes. ( A) They are fast-growing. ( B) They are not trust-worthy. ( C) They are profitable. ( D) They are set up by department stores. ( A) He cant help the woman beca

37、use its too dark to see. ( B) He cant help the woman because he doesnt want to miss the act. ( C) He cant let her in because there are no seats left. ( D) He cant show her the way because it is not the right time. ( A) Providing high-quality products for customers. ( B) Providing good services for c

38、ustomers. ( C) Doing everything you can to please and keep customers. ( D) Establishing dialogues with the customers. ( A) The relationship the company establishes with its customers. ( B) Legal responsibilities shared by the company and its customers. ( C) Responding to the customers complaints. (

39、D) Seeking the customers feedback actively. ( A) A bridge between the company and its customers. ( B) A way of supervising the companys business. ( C) A way to deal with customers after-sales services. ( D) A way to deal with customers complaints and refunds. ( A) To find out if he has the flu. ( B)

40、 To find out how to maintain a nutritious diet. ( C) To find out how to prevent illness. ( D) To find out the results of a blood test. ( A) He gets ill at the same time every year. ( B) He doesnt get enough exercise. ( C) He often has difficulty in sleeping. ( D) Hes sick with flu throughout the win

41、ter. ( A) Hes unwilling to be immunized. ( B) He doesnt get enough rest. ( C) He forgets to take his medicine. ( D) He doesnt dress warmly enough. ( A) Physical examinations are given free there. ( B) He can get an influenza vaccination there. ( C) Hell be able to get a prescription for medication t

42、here. ( D) Hell find literature on nutrition there. Section B Directions: In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer

43、 from the four choices marked A, B, C and D. ( A) Because he was excited about the website. ( B) Because he was keen on computers. ( C) Because he was anxious about the website. ( D) Because he was eager to succeed in the website. ( A) An experiment. ( B) A day job. ( C) A dream coming true. ( D) A

44、promising career. ( A) Getting visitors to vote on the website. ( B) Getting more traffic. ( C) Turning its traffic into money. ( D) Contacting politicians and famous people. ( A) The birth rates. ( B) The death rates. ( C) The divorce rates. ( D) The widow rates. ( A) Couples living together. ( B)

45、Gay couples. ( C) The divorced. ( D) The widowed. ( A) Healthy people are more interested in getting married. ( B) Happy people do not always get married. ( C) Married people may not be in love with each other. ( D) Married peoples kids may not provide care in old years. ( A) Students in need of fin

46、ancial help. ( B) Students with good academic performance. ( C) Students good at negotiating with universities. ( D) Students with special contributions. ( A) They are offering lower tuition discounts. ( B) They dont practice merit-based financial aid. ( C) They offer discounts only to those really

47、lucky. ( D) They match financial-aid packages to students. ( A) College enrollment increases its coverage. ( B) Top universities become increasingly competitive. ( C) Universities become selective in student admission. ( D) Colleges invest less in academy and infrastructure. ( A) Both private and pu

48、blic colleges are discounting tuition. ( B) Schools are quite conservative on discounting tuition. ( C) All freshmen receive various forms of discounts. ( D) Tuition discounts are sponsored by local banks. Section C Directions: In this section, you will hear a passage three times. When the passage i

49、s read for the first time, you should listen carefully for its general idea. When the passage is read for the second time, you are required to fill in the blanks numbered from 36 to 43 with the exact words you have just heard. For blanks numbered from 44 to 46 you are required to fill in the missing information. For these blanks, you can either use the exact words you have just heard or write down the 37 Why do so many people live to a healthy

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