Twenty years ago,kids in school had never even heard of the Internet.Now,I'll bet you can't find a　36　person in your school who hasn't　37　heard of it.In fact,many of us use it on a regular basis and can even use it at　38　.The “net” in Internet really stands for network.A network is two or more computers　39　together so that information can be?　40　?or sent from one computer to　41　.The Internet is a vast　42　for all types of information.?You may enjoy using it to do 　43　for a school project,downloading your favorite songs or　44　 with friends and family.Information can be found　45 web pages that companies, organizations, and individuals(个人)create.It's like a giant bulletin board that the whole world uses!But since anyone can put 　46　on the Internet,you also have to be careful and use your best　47　and a little common sense.?

Just　48　 you read something on a piece of paper someone puts on a bulletin board doesn't mean that it's good information,or even correct, for that matter.You have to be sure that whoever posted the information knows what they're talking about,　49　 if you're doing research!But what if you're just e?mailing people?You still have to be very 　50　 if you've never met the person that you're communicating with online.You could be doing something　51　!You should never give out any　52　 information to someone you don't know,not even your name!And just like you can't　53　the information on every website out there.You can't　54　 on what strangers you “meet”on the Internet tell you either.In the same way that you could　55　things about yourself to tell someone,someone else could do the same to you!?

36. A. stupid   B. single  C. common     D. clever?

37. A. at least B. at mostC. at last D. at first?

38. A. school  B. Home C. work   D. hospital?

39. A. met      B. Communicated   C. joined D. connected?

40. A. shared  B. found  C. made  D. chosen?

41. A. other    B. the other    C. another      D. others?

42. A. material       B. resource     C. source D. matter?

43. A. homework   B. housework  C. research     D. experiments?

44. A. playing B. talking       C. meeting      D. communicating?

45. A. through       B. across C. by      D. on?

46. A. something    B. anything     C. everything  D. nothing?

47. A. wisdom       B. judgmentC. Courage  D. confidence?

48. A. because       B. when  C. where D. what?

49. A. specially      B. especially   C. naturally    D. strangely

50. A. careful B. wise    C. suspicious   D. confident?

51. A. exciting       B. interesting  C. suspicious   D. confident?

52. A. social   B. personal     C. general       D. special?

53. A. respect B. consult       C. send    D. believe?

54. A. rely      B. believe       C. trust    D. base?

55. A. make of       B. make from C. make out    D. make up??

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有一项为多余选项。
A.　Goods for auction (拍卖) sales
　　B.　Definition of bidding
　　C.　Way to sell more goods by auction
　　D.　Auction sales in history
　　E.　Brief introduction to auctions
　　F.　Making a larger profit as an auctioneer
【小题1】______
Auctions are public sales of goods, conducted by an officially approved auctioneer. He asks the crowd assembled in the auction-room to make offers, or “bids”, for the various items on sale. He encourages buyers to bid higher figures, and finally names the highest bidder as the buyer of the goods. This is called “knocking down” the goods, for the bidding ends when the auctioneer strikes a small hammer on a table at which he stands.
【小题2】 ______
The ancient Roman probably invented sales by auction, and the English word comes from the Latin auction, meaning “increasing”. The Romans usually sold in this way the goods taken in war. In England in the eighteenth centuries, goods were often sold “by the candle”: a short candle was lit by the auctioneer, and bids could be made while it stayed alight.
【小题3】 ______
Practically all goods whose qualities vary are sold by auction. Among these are coffee, skins, wool, tea, furs, silk and wines. Auction sales are also usual for land and property, furniture, pictures, rare books, old china and similar works of art.
【小题4】 ______
An auction is usually advertised beforehand with full particulars of the articles to be sold and where and when they can be viewed by potential buyers. If the advertisement cannot give full details, catalogues are printed, and each group of goods to be sold together, called a “lot”, is usually given a number. The auctioneer need not begin with Lot 1 and continue in the order of numbers: he may wait until he notices the fact that certain buyers are in the room and then produce the lots they are likely to be interested in.
【小题5】 ______
The auctioneer’s services are paid for in the form of a percentage of the price the goods are sold for. The auctioneer therefore has a direct interest in pushing up the bidding as high as possible. He will not waste time by starting the bidding too low. He will also play on the opponents among his buyers and succeed in getting a high price by encouraging two business competitors to bid against each other.

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A. attend full-time universities                      B. work part time to further their education

C. improve their education at home to get better jobs   D. earn their degrees in different ways that suit them

2. Which of the following is NOT clearly mentioned in this advertisement? 

A. The way how you will get your degree.         B. Tuition price. 

C. The hot fields you will be preparing yourself for.  D. The length of time it will take you to get a degree.

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C. To prove the value of their training in every area.  　

D. To show the importance of getting recognized by the most famous companies.

4. It seems to the writer that the greatest attraction for people to take their training is______. 

A. its convenience                           B. the degree’s nation-wide recognition

C. the economic benefit(利益) it will bring about  D. the hot fields the training will help people to enter

5. How many ways are mentioned in the ad for people to get in touch with the Harcourt Learning Direct?

A. One. 　　　   　B. Two. 　　   　　C. Three. 　  　　　D. Four.