1. __ (医生)-|||-doctor-|||-5.policewoman(女警察)-|||-9.teacher(老师;教师)-|||-13. actor(男演员)-|||-17. musician(音乐家)-|||-21.soldier(军人;士兵)22.-|||-24. __ (球类运动员)-|||-26. __ (工作者;工人)-|||-28.序设计员;编程人员)-|||-__-|||-2. __ (护士)-|||-6.manager(经理;经营者)-|||-10. __ (学生)-|||-student-|||-14.engineer(工程师)-|||-18. pianist (钢琴家)-|||-__ (厨师)-|||-3. reporter(记者)-|||-4.policeman(男警察)-|||-7.officer (军官;官员 )-|||-8.waiter (服务员)-|||-11. waiter (作家;作者-|||-12. pilot (飞行员)-|||-15. artist(艺术家)-|||-16. singer(歌手)-|||-19. violinist(小提琴手-|||-)20. secretary(秘书)-|||-23. scientist(科学家)-|||-25.gymnast(体操运动员)-|||-27. driver(驾驶员;司机)

26.（2.0分）下列与come相关的短语翻译正确的是（）。A. come by上演B. come about发生C. come down降下D. come off从...掉落

inspect；purchase；oppose；impress；warn；satisfy；sense；lonely；funeral；recommend（1）A man should have a（n） ____ of responsibility for his family.（2）I am not at all ____ with the service at the hotel.（3）Only close relatives were allowed to attend the ____ .（4）I shall have a companion in the house because I feel so ____ sometimes.（5）It is human nature to be ____ to change because it requires us to cross into the unknown.（6）Among the decisions that most people make ____ a house is perhaps the biggest one.（7）It is not what you say but what you do that ____ people most.（8）I wouldn't ____ reading in this light；it may affect your eyes.（9）The guard walked through the train ____ everyone's ticket.（10）His boss ____ him that if he was late again，he would lose his job.

E-book Price Increase May Stir Readers’ Passions In the battle over the pricing of electronic books, publishers appear to have won the first round. The price of many new releases and best sellers is about to go up, to as much as 14.99 from 9.99. But there may be an insurgency(暴动)waiting to jump: e-book buyers. Over the last year, the eagerest readers of e-books have shown a reflexive hostility to prices higher than the 9.99 set by online retailers for popular titles. When digital editions have cost more, or have been delayed until after the release of hardcover versions, these unpleasant readers have organized boycotts at once and gone to the websites to leave one-star ratings and negative comments for those books and their authors. "This book has been on the shelves for three weeks and is already in the remainder bins," wrote Wayne Fogel of The Villages, Fla., when he left a one-star review of Catherine Coulter’s book "KnockOut" online. " 14.82 for the Kindle version is unbelievable. Some listings online retailers should refuse when the authors are trying to rip off their customers." The angry commenters on online message boards could just be a vocal minority. But now, with e-books scheduled to cost 12.99 to 14.99 under new deals that publishers negotiated with the online retailers, a broader type of customers may resist the new pricing. The higher prices will go into effect within the next few months. Predicting the behavior of consumers is always tricky. In the case of e-books, publishers are hoping that a vast majority of people who have not yet tried e-reading devices will not have any expectation of the low pricing now available from the Internet. They argue that new e-book shoppers will welcome the chance to buy digital editions at a level significantly lower than the typical price tag on a hardcover book. "With the handheld computer, the whole notion of e-book reading is probably going to become way more mainstream than it ever has,"said Harvey Chute, who runs KindleBoards, a popular discussion forum for readers of electronic books. "And a majority of people may be coming to it new, and may only see that they are getting 7 off the price they would see at a bookstore." But some e-book buyers say that since publishers do not have to pay to print, store or distribute e-books, they should be much cheaper than print books. "I just don’t want to be extorted (敲诈) ," said Joshua Levitsky, a computer technician and Kindle owner in New York. "I want to pay what it’s worth. If it costs them nothing to print the paper book, which I can’t believe, then they should be the same price. But I just don’t see how it can be the same price." Just what e-books are worth is a matter of debate. Publishers argue that printing and distribution represents a small proportion of the total cost of making a book. "There are people who don’t always understand what goes into an author writing and an editor editing and a publishing house with hundreds of men and women working on these books, "said Mark Gompertz, executive vice president of digital publishing at Simon Schuster. "If you want something that has no quality to it, fine, but we’re out to bring out things of quality, regardless of what type of book it is." To consumers who do not pay much attention to the economics of publishing, though, such arguments are trumped by the fact that e-books have been available for 9.99 for more than a year. "As far as I’m concerned, some online retailers have committed to the 9.99 price," said Wilma Sanders, a 70- year-old retiree who has homes in Plymouth, Mass., and Marco Island, Fla. She said that if e-book prices rose, she would stop buying. "I’m still a library-goer. There are enough good books out there that I don’t need to pay more than I want to. I already can’t keep up with what I have." Authors have been shocked by some of the violence of the reader protests. "The sense of entitlement of the American consumer is absolutely astonishing," said Douglas Preston, whose novel "Impact" reached as high as No. 4 on the hardcover fiction best-seller list earlier this month. "It’s the Wal-Mart mentality, which in my view is very unhealthy for our country. It’s this notion of not wanting to pay the real price of something." Some online commenters attacked Mr. Preston after his publisher delayed the e-book version of his novel by four months to protect hardcover sales. Mr. Preston said he was not sure whether the protests were influencing his sales. But, he said, "It gives me pause when I get 50 e-mails saying ’ I’m never buying one of your books ever again. I’m moving on, you greedy, greedy author. ’" One reason consumers may be sensitive to pricing is that they have so many other types of entertainment to occupy their time. "Entertainment and media companies keep forgetting that consumers have a choice. They can decide not to buy the book at all," said David Pakman, a venture capitalist and former chief executive of the digital music store eMusic. "They can play a video game, use an iPod Touch." He added: "If you don’t get the price tag right and make it convenient, they just go elsewhere." John Wagoner, a 68-year-old accountant and Kindle owner in Piano, Tex., said that if e-book prices went much higher than 13 he would simply commit his time and dollars to other activities. "They’re just books," said Mr. Wagoner, who left an angry one-star review for Mr. Preston’s novel. "I do other things other than reading." Some analysts say that if consumers balk at (犹豫不前)price increases, piracy could grow rapidly. Joel Waldfogel, a professor of business and public policy at the Wharton School of the University of Pennsylvania, saw a comparison with movies, a business where he has studied digital piracy rates. With movies, he said, piracy tends to displace paid consumption. "The real cost of consuming a movie is the two hours of undivided attention you spend," Mr. Waldfogel said. "If people are able to steal a bunch more, they will purchase less, simply because there isn’t time to do all of it." Similarly, with books, he said, "I would be scared to death about a culture of piracy taking hold. I wouldn’t mess around with price increases." Publishers say price levels are not settled by any means and that now, having reached agreements where publishers ― rather than retailers ― set consumer prices, they have an opportunity to test different situations. "We may introduce a book at 14.95 for a year and then move the book to 9.99 when we would have put out the trade paperback edition," said Dominique Raccah, chief executive of Sourcebooks, an independent publisher. "I suspect you’re going to see a fair amount of experimentation." Some e-book buyers are not interested in experiments. Mr. Fogel, who left the one-star review of the Kindle edition of Ms. Coulter’s novel, said he would not pay more than 9.99 for a book. "There are too many very, very good books I haven’t gotten around to reading yet," said Mr. Fogel, a 68-year- old retired management consultant. He added that publishers were likely to see "supply and demand turn back on them". "I think there’s going to be a general resentment of higher prices", he said.What did Douglas Preston think is unhealthy for the country A．Disrespect of the true value of fine works.B．Cheap products consumption tendency.C．Increased bargaining power of the customers.D．Cheap products strategy of the retailers.

In 1905, Albert Einstein developed the theory of special relativity. He also proved that atoms exist and figured out that light behaves as both a particle and a wave. To top it all off, he developed his famous equation E=mcc, which describes the relationship between matter and energy, the same year. He was only 26 years old. Without a doubt, Einstein was a genius. So was Isaac Newton-as any fan of "Star Trek". The Next Generation can say he invented physics. He also played a big role in the development of calculus, which some people have trouble comprehending even after extensive classroom study. Another genius, Wolfgang Amadeus Mozart, started composing music when he was 5 years old. Mozart wrote hundreds of pieces before his death in 1760 at age 35. According to conventional wisdom, geniuses are different from everyone else. They can think faster and better than other people, In addition, many people think that all that extra brainpower leads to eccentric or quirky behavior. And although geniuses are fairly easy to spot, defining exactly what makes one person a genius is a little trickier. Figuring out how that person became a genius is harder still. There are two big things that make it difficult to study genius: The genius label is subjective. Some people insist that anyone with an intelligence quotient (IQ) higher than a certain value is a genius. Others feel that IQ tests measure only a limited part of a person’s total intelligence. Some believe high test scores have little to do with real genius. Genius is a big-picture concept. Most scientific and medical inquiries, on the other band, examine de tails. A concept as subjective as genius isn’t easy to quantify, analyze or study. So, when exploring how geniuses work, it’s a good idea to start by defining precisely what a genius is. For the purpose of this article, a genius isn’t simply someone with an exceptionally high IQ. Instead, a genius is an extraordinarily intelligent person who breaks new ground with discoveries, inventions or works of art. Usually, a genius’ work changes the way people view the world or the field in which the work took place. In other words, a genius must be both intelligent and able to use that intelligence in a productive or impressive way. The brain regulates the body’s organ systems. When a person moves around, it sends impulses along the nerves and tells the muscles what to do. The brain controls the senses of smell, taste, touch, sight and hearing, and the person experiences and processes emotions using his brain, On top of all that, the brain allows people to think, analyze information and solve problems. But how does it make someone smart Scientists haven’t figured out exactly how all the gray matter in the brain works, but they do have an idea of which part lets people think. The cerebral cortex (大脑皮层), which is the outermost part of the brain, is where thought and reasoning happen. These are the brain’s higher function-- the lower functions, which relate to basic survival, take place deeper in the brain. The cerebral cortex is the largest part of the brain, and it’s full of wrinkles and folds that allow it to fit in the skull. If an adult human’s cerebral cortex is removed and stretched out, it would be about as large as a few pages of a newspaper. It’s divided into several lobes(裂片), and different regions within these lobes handle specific tasks related to how people think. In spite of all those challenges to see the brain inside and how it works, researchers have figured out a few things about how the brain affects intelligence. A 2004 study at the University of California, Irvine found that the volume of gray matter in parts of the cerebral cortex had a greater impact on intelligence than the brain’s total volume. The findings suggest that the physical attributes of many parts of the brain--rather than a centralized "intelligence center" --determine how smart a person is. Like genius, intelligence can be difficult to quantify. Psychologists and neuroscientists study intelligence extensively. An entire field of study, known as psychometrics, is devoted to studying and measuring intelligence. But even within that field, experts don’t always agree on exactly what it is or how best to analyze it. And while intelligence is central to genius, not all geniuses score well on intelligence tests or perform well in school. Intelligence testing has existed for thousands of years. The tests we know as IQ tests got their start near the end of the 19th century. Today, IQ tests generally measure a person’s memory as well as language, spatial and mathematical abilities. IQ tests are also standardized so that most people score between 90 and 110. When placed on a graph, the IQ test scores of a large group of people will generally resemble a bell curve, with most people scoring in the average range. A common perception is that anyone scoring above a certain number--often 140--is automatically a genius. But in spite of the existence of high-IQ organizations, many scientists caution that there is no such thing as a genius-level IQ. Many educators and researchers feel that, in general, standardized IQ tests do a good job of predicting how well a child will perform in school. Schools often use these tests to determine which children to place in gifted or special education classes. Most colleges and universities and some employers also use standardized tests as part of their application processes. One of the stereotypes surrounding gifted children is that they have trouble fitting in at school. Several scientific studies suggest that the stereotype has a foundation in reality. A Purdue University study of 423 gifted students suggested that they were susceptible to bullying. A 20-year study of gifted children ending in 1940 suggested that the trend of not fitting in continues into adulthood. The study used a test that measured both verbal intelligence and personal adjustment. People who scored above 140 in verbal intelligence generally had lower personal adjustment scores. However, in spite of their prevalence, these tests are not foolproof. In general, some minorities and people with lower income levels tend to score lower than people from other racial and economic groups. Critics contend that this makes IQ tests invalid or unfair. Others argue that they instead point out unfair ness and prejudice within a society. In addition, some researchers and theorists argue that the IQ test is too limiting and doesn’t really give a full view of a person’s intelligence. These researchers feel that intelligence is a combination of many factors. Geniuses like Einstein are also known for their creativity and productivity--and sometimes for their quirky behavior. There’s a big difference between being really smart and being a genius. While geniuses tend to be exceptionally intelligent, they also use imagination and creativity to invent, discover or create something new within their field of interest. They break now ground rather than simply remembering or reciting existing information. The creativity of geniuses also relates to productivity and hard work. Sometimes, the most dramatic examples of genius involve people who produce their best work at a very young age. However, not every genius produces exceptional work early in life the way Einstein and Mozart did. Some, like Ludwig yon Beethoven, do their best work later in life. We may never know precisely where creativity comes from, why some people use their creativity more than others or why some people are most creative during specific times in their lives. We may not learn how one person ends up with the right balance of brainpower, intelligence and creativity to become a genius. But it’s clear that geniuses are central to advancements in science, technology and understanding. Without geniuses, our understanding of mathematics, literature and music would be completely different. Concepts that we now take for granted, like gravity, planetary orbits and black holes, might still be undiscovered.The genius mentioned here is someone not only with a high IQ but also ______. A．has done something of great influenceB．started his/her career at a young ageC．has eccentric behaviorD．has odd appearance

Some radio signals were heard in 1967．They were coming from a point in the sky where there was unknown star．They were coming very regularly，too-about once a second，as if they were controlled by clock．The scientists who heard the signals did not tell anybody else．They were rather afraid to tell in case they frightened people．The signals were coming from a very small body-no bigger，perhaps than the earth．Was that why no light could be seen from it？Or were the signals coming from a planet that belonged to some other star？There was no end to the questions，but the scientists kept the news secret．"Perhaps there are intelligent beings out there．"they thought，"who are trying to send messages to other planets，or to us？So the news was not given to the newspaper．Instead，the scientists studied the signals and searched for others like them．Well，all that happened in 1967 and 1968．Since then scientists have learnt more about those strange，regular，radio signals．And they have told the story，of course．The signals do not come from a planet； they come from a new kind of star called a"pulsar"（脉冲星）．Pulsars are strong radio stars．They are the smallest but the heaviest stars we know at present．And we can be sure of this：no intelligent beings are living on them．Until now over a hundred other pulsars have been found，and most of them are very like the first one．Recently，Chinese researchers have discovered six pulsars，which are super heavy remains of massive stars，using its Five-hundred-meter Aperture Spherical Radio Telescope，known as FAST，thus opening a"new era of Chinese original space discovery"．Li Di，the telescope's deputy chief engineer，said FAST is set to be fully operational by the end of 2019．Meanwhile，scientists there will continue to test FAST and cooperate with foreign scientists on space exploration．32．The radio signals discussed in this passage ____ ．A．were regularB．were controlled by a clockC．were heard in 1967 onlyD．were secret messages33．The scientists did not tell people about the signals because ____ ．A．the signals stood for secret messagesB．people might be frightenedC．the signals stood for unimportant messagesD．people would ask them too many questions34．A pulsar ____ ．A．is a well-known satelliteB．is a small and light starC．has intelligent beings that were known at that timeD．is a small heavy star sending out strong radio signals35．Which of the following is TRUE？ ____ A．The radio signals were sent by a sky body which was known at that time．B．Scientists have searched for pulsars for many years but found none．C．Chinese researchers have discovered six pulsars using FAST．D．Now is the new era of Chinese space discovery with perfect FAST．

CLICK^+A FRIEND?-|||-1 How would you feel if 1moving to a new town meant losing-|||-track of②your friends? ②What if the only way of getting news-|||-from faraway friends was writing letters that took ages to be-|||-delivered③?This was &how things worked not very long ago.-|||-Thanks to④advances⑤ in technology, foo we make friends and-|||-communicate with@them has changed significantly⑦.-|||-2 Nowadays,we can move around the world and still stay in-|||-touch with⑧the people fo that we want to remain friends with.-|||-Social media⑨tools let us see what our friends are up to w and-|||-maintain @ friendships.All you need is a wi-fi⑫⑫ connection.-|||-3 The digitall age also enables 14 us to find people-|||-6 who share our interests, such as collecting model cars or-|||-playing an unusuaua 15 instrument`l . .1 Whatever our hobbies, the-|||-Internet can connect us with 17 others a who also enjoy doing-|||-them,@ee if they live on the other side of the world.-|||-4 But when you "friend 18 "people online,does this mean-|||-⑪that they really are your friends?-|||-5 ⑪ It depends.-|||-6 If people always exchange wy true personal information-|||-online,then yes,these friendships can be real and meaningful^20 .-|||-But we need to keep in mind? It that what we see on social media-|||-is often not the whole truth about a person.CLICK^+A FRIEND?-|||-1 How would you feel if 1moving to a new town meant losing-|||-track of②your friends? ②What if the only way of getting news-|||-from faraway friends was writing letters that took ages to be-|||-delivered③?This was &how things worked not very long ago.-|||-Thanks to④advances⑤ in technology, foo we make friends and-|||-communicate with@them has changed significantly⑦.-|||-2 Nowadays,we can move around the world and still stay in-|||-touch with⑧the people fo that we want to remain friends with.-|||-Social media⑨tools let us see what our friends are up to w and-|||-maintain @ friendships.All you need is a wi-fi⑫⑫ connection.-|||-3 The digitall age also enables 14 us to find people-|||-6 who share our interests, such as collecting model cars or-|||-playing an unusuaua 15 instrument`l . .1 Whatever our hobbies, the-|||-Internet can connect us with 17 others a who also enjoy doing-|||-them,@ee if they live on the other side of the world.-|||-4 But when you "friend 18 "people online,does this mean-|||-⑪that they really are your friends?-|||-5 ⑪ It depends.-|||-6 If people always exchange wy true personal information-|||-online,then yes,these friendships can be real and meaningful^20 .-|||-But we need to keep in mind? It that what we see on social media-|||-is often not the whole truth about a person.CLICK^+A FRIEND?-|||-1 How would you feel if 1moving to a new town meant losing-|||-track of②your friends? ②What if the only way of getting news-|||-from faraway friends was writing letters that took ages to be-|||-delivered③?This was &how things worked not very long ago.-|||-Thanks to④advances⑤ in technology, foo we make friends and-|||-communicate with@them has changed significantly⑦.-|||-2 Nowadays,we can move around the world and still stay in-|||-touch with⑧the people fo that we want to remain friends with.-|||-Social media⑨tools let us see what our friends are up to w and-|||-maintain @ friendships.All you need is a wi-fi⑫⑫ connection.-|||-3 The digitall age also enables 14 us to find people-|||-6 who share our interests, such as collecting model cars or-|||-playing an unusuaua 15 instrument`l . .1 Whatever our hobbies, the-|||-Internet can connect us with 17 others a who also enjoy doing-|||-them,@ee if they live on the other side of the world.-|||-4 But when you "friend 18 "people online,does this mean-|||-⑪that they really are your friends?-|||-5 ⑪ It depends.-|||-6 If people always exchange wy true personal information-|||-online,then yes,these friendships can be real and meaningful^20 .-|||-But we need to keep in mind? It that what we see on social media-|||-is often not the whole truth about a person.CLICK^+A FRIEND?-|||-1 How would you feel if 1moving to a new town meant losing-|||-track of②your friends? ②What if the only way of getting news-|||-from faraway friends was writing letters that took ages to be-|||-delivered③?This was &how things worked not very long ago.-|||-Thanks to④advances⑤ in technology, foo we make friends and-|||-communicate with@them has changed significantly⑦.-|||-2 Nowadays,we can move around the world and still stay in-|||-touch with⑧the people fo that we want to remain friends with.-|||-Social media⑨tools let us see what our friends are up to w and-|||-maintain @ friendships.All you need is a wi-fi⑫⑫ connection.-|||-3 The digitall age also enables 14 us to find people-|||-6 who share our interests, such as collecting model cars or-|||-playing an unusuaua 15 instrument`l . .1 Whatever our hobbies, the-|||-Internet can connect us with 17 others a who also enjoy doing-|||-them,@ee if they live on the other side of the world.-|||-4 But when you "friend 18 "people online,does this mean-|||-⑪that they really are your friends?-|||-5 ⑪ It depends.-|||-6 If people always exchange wy true personal information-|||-online,then yes,these friendships can be real and meaningful^20 .-|||-But we need to keep in mind? It that what we see on social media-|||-is often not the whole truth about a person.CLICK^+A FRIEND?-|||-1 How would you feel if 1moving to a new town meant losing-|||-track of②your friends? ②What if the only way of getting news-|||-from faraway friends was writing letters that took ages to be-|||-delivered③?This was &how things worked not very long ago.-|||-Thanks to④advances⑤ in technology, foo we make friends and-|||-communicate with@them has changed significantly⑦.-|||-2 Nowadays,we can move around the world and still stay in-|||-touch with⑧the people fo that we want to remain friends with.-|||-Social media⑨tools let us see what our friends are up to w and-|||-maintain @ friendships.All you need is a wi-fi⑫⑫ connection.-|||-3 The digitall age also enables 14 us to find people-|||-6 who share our interests, such as collecting model cars or-|||-playing an unusuaua 15 instrument`l . .1 Whatever our hobbies, the-|||-Internet can connect us with 17 others a who also enjoy doing-|||-them,@ee if they live on the other side of the world.-|||-4 But when you "friend 18 "people online,does this mean-|||-⑪that they really are your friends?-|||-5 ⑪ It depends.-|||-6 If people always exchange wy true personal information-|||-online,then yes,these friendships can be real and meaningful^20 .-|||-But we need to keep in mind? It that what we see on social media-|||-is often not the whole truth about a person.CLICK^+A FRIEND?-|||-1 How would you feel if 1moving to a new town meant losing-|||-track of②your friends? ②What if the only way of getting news-|||-from faraway friends was writing letters that took ages to be-|||-delivered③?This was &how things worked not very long ago.-|||-Thanks to④advances⑤ in technology, foo we make friends and-|||-communicate with@them has changed significantly⑦.-|||-2 Nowadays,we can move around the world and still stay in-|||-touch with⑧the people fo that we want to remain friends with.-|||-Social media⑨tools let us see what our friends are up to w and-|||-maintain @ friendships.All you need is a wi-fi⑫⑫ connection.-|||-3 The digitall age also enables 14 us to find people-|||-6 who share our interests, such as collecting model cars or-|||-playing an unusuaua 15 instrument`l . .1 Whatever our hobbies, the-|||-Internet can connect us with 17 others a who also enjoy doing-|||-them,@ee if they live on the other side of the world.-|||-4 But when you "friend 18 "people online,does this mean-|||-⑪that they really are your friends?-|||-5 ⑪ It depends.-|||-6 If people always exchange wy true personal information-|||-online,then yes,these friendships can be real and meaningful^20 .-|||-But we need to keep in mind? It that what we see on social media-|||-is often not the whole truth about a person.CLICK^+A FRIEND?-|||-1 How would you feel if 1moving to a new town meant losing-|||-track of②your friends? ②What if the only way of getting news-|||-from faraway friends was writing letters that took ages to be-|||-delivered③?This was &how things worked not very long ago.-|||-Thanks to④advances⑤ in technology, foo we make friends and-|||-communicate with@them has changed significantly⑦.-|||-2 Nowadays,we can move around the world and still stay in-|||-touch with⑧the people fo that we want to remain friends with.-|||-Social media⑨tools let us see what our friends are up to w and-|||-maintain @ friendships.All you need is a wi-fi⑫⑫ connection.-|||-3 The digitall age also enables 14 us to find people-|||-6 who share our interests, such as collecting model cars or-|||-playing an unusuaua 15 instrument`l . .1 Whatever our hobbies, the-|||-Internet can connect us with 17 others a who also enjoy doing-|||-them,@ee if they live on the other side of the world.-|||-4 But when you "friend 18 "people online,does this mean-|||-⑪that they really are your friends?-|||-5 ⑪ It depends.-|||-6 If people always exchange wy true personal information-|||-online,then yes,these friendships can be real and meaningful^20 .-|||-But we need to keep in mind? It that what we see on social media-|||-is often not the whole truth about a person.

eBay eBay is a global phenomenon-the world’s 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 overseers 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 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 secret minimum amount the seller is willing to accept for the item. If the bidding doesn’t reach the reserve price, the seller doesn’t 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 marketplace. 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, cashier’s check, cash, personal check and electronic payment services like PayPal and BidPay. It’s up to each seller to decide which payment methods he’ll 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 over 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 eBay’s business. Over the course of three days, overloaded servers intermittently shut down, meaning users couldn’t check auctions, place bids or complete transactions during that period. Buyers, sellers and eBay were, very unhappy, and a complete restructuring of eBay’s technological architecture followed. In 1999, eBay was one 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 about 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 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 you’re using eBay, you may be talking to any one of those locations at any time--they all store the same data. If one of the systems crashes, there are three others to pick up the slack. When you’re 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 find 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 eBay’s 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 eBay: 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 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-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 eBay’s attempts after eight days, the seller is reimbursed (赔偿)for eBay’s cut of the final sale price and can relist the item for free. If the buyer does respond, the dispute can end in one of three ways: The buyer decides to pay, and everybody’s 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 everybody’s happy. The seller decides not to deal with 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 in 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 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 you’ve been defrauded is that miscommunication is common on eBay. For instance, if you didn’t 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 wouldn’t be able to ship the item until she returned. This could be why you don’t have your item and the seller isn’t answering your e-mails. Also, e-mail is not the most straightforward form of communication. If your item hasn’t arrived after two weeks, and you’ve e-mailed the seller but haven’t heard back, it’s a good idea to check your junk mail folder. Your seller may have sent a response e-mail that just never made it to your inbox. If there’s nothing from the seller in your junk folder, you can request that eBay reveal your seller’s phone number so you can give him a call and see what’s going on. If you don’t get an answer to your phone call (or if your seller lives in another country and 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 eBay’s "Item Not Received or Significantly Not as Described" system, eBay 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.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 through e-mail D) it costs less than the market price

__________ at in this way, the present economic situation doesn't seem so gloomy.A. LookingB. LookedC. Having lookedD. To look

e a thousand connections .Such large number-|||-s used to discourage us and cause us to dism-|||-iss the possibility of making a machine wit-|||-h human-like ability,but now that we have gr-|||-own used to moving forward at such a pace w-|||-e can be less sure.Quite soon ,maybe in onl-|||-y10or 20years perhaps,we will be able to cre-|||-ate a machine as complex as the human brai-|||-n,and if we can we will ,It may then tak-|||-e us a long time to make it intelligent by loa-|||-ding in the right software or by changing th-|||-e architecture but that too will happen .-|||-As the intelligence of robots increases to riva-|||-l that of humans and as their cost declines t-|||-hrough cconomies of scale,we may use the-|||-m to expand our frontiers(前沿),first on e-|||-arth through their ability to remain unharme-|||-d in the environments which are harmful to u-|||-s,Thus,deserts may bloom and the ocean b-|||-eds may be mined .Further ahead,by a combi-|||-nation of the great wealth this new age will b-|||-ring and the technology it will provide,the co-|||-nstruction of a vast , man-created world in sp-|||-ace,home to thousands or millions of peopl-|||-e,will be within our power.-|||-28.In what way can we make a machine inte-|||-lligent? __-|||-A.By collecting its 10 thousand million cell-|||-s-|||-B.By working hard for 10 or 20 years .-|||-C.By properly programming it or changing it-|||-s structure.-|||-D.By moving forward at a pace as fast a-|||-s possible .-|||-29.The underlined word"rival"means" __-|||-_".-|||-A.confirm B.anchor C.betray D.match-|||-30.What does the writer think about machine-|||-s with human-like ability?-|||-A.He believes they will be useful to human b-|||-eings.-|||-B.He believes that they will control us in th-|||-e future.-|||-C.He is not quite sure in what way they ma-|||-y influence us.-|||-D.He doesn't consider the construction of suc-|||-h machines possible.-|||-31.What can be the best title of the article?-|||-__-|||-A.What is the future world like?-|||-B.Will future machines replace humans?-|||-C.Future intelligent machines for humans-|||-D.Future intelligent machines out of contro-|||-l.