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Passage One Money may not be flowing much in Thailand’s capital these days, but something more unlikely is traffic. Motorists like to joke that it took the International Monetary Fund to unclog Bangkok’s notoriously jammed thoroughfares. Before the economy crashed last summer, Bangkok was famous for its round-the-clock gridlock. Stories of how people coped became urban lore. Thais bought custom-made vans equipped with TVs and microwave ovens. On the endless trips home after school and work, parents would serve family dinners, then the kids would do their homework and change into pajamas before finally arriving. One company did a booming business in plastic disposable toilets. Consumers could get just about anything, from McDonald’s hamburgers to prescription medicine, delivered via motorbike. The solution for easing congestion turned out to be simple: economic catastrophe. Rising fuel costs, coupled with lost jobs and declining incomes, mean people are making fewer trips. About 20,000 cars have been repossessed, while new-car buying has dwindled from about 900 a day a year ago to just 300 now. Bus rider ship is up; taxi trips are down. So many cabbies are having trouble making enough fares to cover gas and car rental that hundreds of taxis are sitting idle every day. Thinner wallets also mean people are spending less time in bars, restaurants, movie theaters and shopping malls. Instead, they’re staying home. The government, much maligned in the past for botching up mass transit construction, deserves credit as well. New expressways have opened, and some of the construction that has blocked traffic lanes for years has been cleared. The good times may not last, however, at least for motorists. If traffic flow is in fact a reliable economic indicator, Thailand may be on the rebound. "The last few days," says taxi driver Boonlarb Srikam, "I’ve noticed the traffic getting busy again." Bring out those portable toilets. The author mentions a company that sells disposable toilets in order to show that______.

A. Thais spend long hours in their cars
B. traffic jams are good for the economy
C. the IMF makes unreasonable demands
D. Thais are very innovative people

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Many people invest in the stock market hoping to find the next Microsoft and Dell. However, I know from personal experience how difficult this really is. For more than a year, I was 1 hundreds and sometimes thousands of dollars a day investing in the market. It seemed so easy, I dreamed of 2 my job at the end of the year, of buying a small apartment in Paris, of traveling around the world. But these dreams came to a sudden and dramatic end when a stock I 3 , Texas cellular pone wholesaler, fell by more than 75 percent 4 a one year period. On the worst day, it plunged by more than $15 a share. There was a rumor the company was exaggerating sales figures. That was when I learned how quickly Wall Street punishes companies that misrepresent the 5 In a panic, I sold all my stock in the company, paying off margin debt with cash advances from my credit card. Because I owned so many shares, I 6 a small fortune, half of it from money I borrowed from the brokerage company. One month, I am a winner, the next, a loser. This one big loss was my first lesson in the market. My father was a stockbroker, as was my grandfather 7 him.(In fact, he founded one of Chicago’s earliest brokerage firms.) But like so many things in life, we don’t learn anything until we experience it for ourselves. The only way to really understand the inner 8 of the stock market is to invest your own hard-earned money. When all your stocks are doing 9 and you feel like a winner, you learn very little. It’s when all your stocks are losing and everyone is questioning your stock-picking 10 that you find out if you have what it takes to invest in the market.

A. after
B. before
C. for
D. and

The potential of computers for increasing the control of organizations or society over their members and for invading the privacy of those members has caused considerable concern. The privacy issue has been raised most insistently with respect to the creation and maintenance of data files that assemble information about persons from a multitude of sources. Files of this kind would be highly valuable for many kinds of economic and social research, but they are bought at too high a price if they endanger human freedom or seriously enhance their opportunities of blackmailers. While such dangers should not be ignored, it should be noted that the lack of comprehensive data files has never before been the limiting barrier to the suppression of human freedom. Making the computer the villain in the invasion of privacy or encroachment on civil liberties simply divers attention from the real dangers. Computer data bank files can and must be given the highest degree of protection from abuse. But we must be careful also, that we do not employ such crude methods of protection as to deprive our society of important data it needs to understand its down social processes and to analyze its problems. Perhaps the most important question of all about the computer is what it has come and will do to man’s view of himself and his place in the universe. The most heated attacks on the computer are not focused on its possible economic effects, its presumed destruction of job satisfaction, or its threat to privacy and liberty, but upon the claim that it causes people to be viewed, and to view themselves, as machines. What the computer and progress in artificial intelligence challenge are an ethic that rests on man’s apartness from the rest of nature. An alternative ethic, of course, views man as a part of nature, governed by nature law, subject to the forces of gravity and the demands of his body. The debate about artificial intelligence and the simulation of man’s thinking is, in considerable part, a confrontation of these two views of man’s place in the universe. Too much caution in the use of computers will ______.

A. prevent the solution of economic problems
B. cause more suppression of human freedom
C. lead to clumsy methods of protection
D. interfere with our study of society

The potential of computers for increasing the control of organizations or society over their members and for invading the privacy of those members has caused considerable concern. The privacy issue has been raised most insistently with respect to the creation and maintenance of data files that assemble information about persons from a multitude of sources. Files of this kind would be highly valuable for many kinds of economic and social research, but they are bought at too high a price if they endanger human freedom or seriously enhance their opportunities of blackmailers. While such dangers should not be ignored, it should be noted that the lack of comprehensive data files has never before been the limiting barrier to the suppression of human freedom. Making the computer the villain in the invasion of privacy or encroachment on civil liberties simply divers attention from the real dangers. Computer data bank files can and must be given the highest degree of protection from abuse. But we must be careful also, that we do not employ such crude methods of protection as to deprive our society of important data it needs to understand its down social processes and to analyze its problems. Perhaps the most important question of all about the computer is what it has come and will do to man’s view of himself and his place in the universe. The most heated attacks on the computer are not focused on its possible economic effects, its presumed destruction of job satisfaction, or its threat to privacy and liberty, but upon the claim that it causes people to be viewed, and to view themselves, as machines. What the computer and progress in artificial intelligence challenge are an ethic that rests on man’s apartness from the rest of nature. An alternative ethic, of course, views man as a part of nature, governed by nature law, subject to the forces of gravity and the demands of his body. The debate about artificial intelligence and the simulation of man’s thinking is, in considerable part, a confrontation of these two views of man’s place in the universe. Why is it important to prevent the abuse of computer data banks

A. To protect the right of the individual.
B. To maintain discipline in society.
C. To encourage economic and social research.
D. To collect wide-ranging information.

下列有关神经一肌肉接点处终板膜上离子通道的叙述,不正确的是

A. 对Na+和K+均有选择性
B. 当终板膜去极化时打开
C. 开放时产生终板电位
D. 是NACh受体通道
E. 受体和通道是一个大分子

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