Problem: Write a multi-choice question for the following article, with the given choices and answer: Article: You can mail a letter or package under 16 oz. (unit of weight, 454g) in a mailbox, a blue box found on many street corners in U.S. cities and towns. Each mail box should have pick-up times clearly posted on top. !Packages over 16 oz. placed in a mailbox will not be sent. Bring the package to the post office or retail mailing shop instead. The clerk will process if for you. The Post Office In the larger cities, when you go to the post office you must take a number and wait in line. Post offices tend to be extremely crowded around Christmas. Try to go as early in the morning as possible. Post office branches open at 9 a.m. and close at 5 p.m. while main branches close at 6 p.m. Buying Stamps ! The cost of a first-class postage stamp to mail a letter is currently 39 cents, although rates tend to change often. Stamps are sold individually or in booklets of 10 (US$3.90) or 20(US$7.80) or in rolls of 100(US$9.00). You can buy stamps at the following locations: *online, if you have a computer. Link to the U.S. Postal Service website (http://www. usps.com) and click on "stamps online". *at your local post office *at some ATMs (automated teller machine) *at some supermarkets *by mail *retail mailing stores(you may have to pay extra for stamps and to mail packages through the U.S. Postal Service) Postal Rates and Fees The U.S. Postal Service's online postage calculator tells you the cost to mail a letter or package anywhere in the world. But you should know the weight of the package and the post code of the package's origin and destination. If you don't know the weight of the letter or package to be mailed, you can go to your local post office and the postal clerk will weigh it for you. Options: A a local post office B a supermarket C an ATM D a retail mailing store Answer: D a retail mailing store Question:

A: If you have only 39 cents, you can NOT buy a stamp at _ .

Problem: Given the question: Write a multi-choice question for the following article, with the given choices and answer: Article: The common cold is the world's most widespread illness, which is a serious infection that man receives. The most widespread mistake of all is that colds are caused by cold. They are not. They are caused by viruses passing on from person to person. You catch a cold by touching directly or indirectly, with someone who already has one. If cold causes colds, it would be reasonable to expect the Eskimos to suffer from them forever. But they do not. And in separate Arctic areas, explorers have reported being free from colds until touching again with infected people from the outside world by way of packages and mail dropped from airplanes. During the First World War, soldiers who spent long periods in the trenches, cold and wet, seldom caught colds. In the Second World War, prisoners at Auschwitz concentration camp, bare and starved, were astonished to find that they seldom had colds. At the Common Cold Research Unit in England, volunteers took part in experiments in which they gave themselves to the discomforts of being cold and wet for a long time. After taking hot baths, they put on bathing suits, allowed themselves to be with cold water, and then stood about dripping wet in a room. Some wore wet socks all day while others exercised in the rain until close to exhaustion. Not one of the volunteers came down with a cold unless a cold virus was actually dropped in his nose. If then, cold and wet have nothing to do with catching colds, why are they more frequent in winter? Despite the most hard research, no one has yet found out the answer. One explanation offered by scientists is that people tend to stay together indoors more in cold weather than at other times, and that makes it easier for cold viruses to be passed on. No one has yet found a cure for the cold. There are drugs and pain-killers such as aspirin, but all that they do is to reduce the symptoms. Options: A the experiments on the common cold B the mistake about the common cold C the reason and the way people catch colds D the continued spread of common colds Answer: C the reason and the way people catch colds Question:
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The answer is:
The passage mainly discusses _ .

input question: Write a multi-choice question for the following article, with the given choices and answer: Article: Although man has known asbestos for hundreds of years, it was not until 160 years ago that it was mined for the first time on the North American continent. H.W.Johns, owner of a New York City Supply Shop for roofers,was responsible for the opening of that first mine. Mr. Johns was given a piece of asbestos which had been found in Italy. He experimented with the material and then showed its surprising powers to his customers. After putting on a pair of asbestos gloves,which looked much like ordinary work gloves,he took red-hot coals from the fireplace and played with them in his hands. How astonished the customers were to discover that he was not burned at all. You can well imagine that he had increased business in asbestos roofing materials. However,because it was very expensive to transport them from Italy to the United States, Mr. Johns sent out a young scientist to seek a source nearer home. This young man found great vein, in the province of Quebec in Canada. Ever since 1881 Quebec has led the world in the production of this unusual mineral,which is made up of magnesium, silicon, iron, and oxygen. When it is mined, the asbestos is heavy, just as you would expect a mineral to be. When it is separated,a strange thing happens; the rock breaks down into fine, soft, soapy fibers. Scientists do not know why the rock can be separated easily into threads ,but they have found thousands of uses of this fireproof material, of the so- called "cloth of stone." Options: A It is like thread B It feels soapy C It burns easily D It is unusually heavy Answer: A It is like thread Question:???
output answer: Which is the most important character of asbestos that the author wants to show us?

[Q]: Write a multi-choice question for the following article, with the given choices and answer: Article: Most parents love the Internet and want their kids to use it. But a new survey in America finds almost as many also fear the online world--especially social networking sites such as My Space--and worry their kids will get in trouble with people they meet. "The parents see the web's incredible potential , and they know their kids have to be there." says James Steyer, CEO of Common Sense Media, which released results from a survey that looked into parental attitudes toward the Internet. " is also what they are scared of most." The study was conducted online May 5-10 by Insight Research Group. It says 80% of parents are concerned about kids meeting bad people online. That's because young people who largely have grown up with the Net think of it as a social outlet , say the researchers. To young people, the benefits of giving out some personal information to reach out to friends outweigh the risks. And the study shows they are so comfortable with the medium that 78% have a personal website or blog. Parents also recognize the importance of the Internet. The survey shows 91% think the Net helps their children explore their passions, and 77% think the Internet is one of the most valuable education tools teens have. But 88% think it's important to know what their kids are doing online. Findings suggest both parents and teens need more education about using online media, Steyer says. Internet safety has become an increasing concern for parents in America. Organizations like the Non-profit Common Sense have been trying to reach and help parents pay attention to the problem. Options: A They think it has more advantages than disadvantages. B They want to make themselves famous by doing that. C They want to have a personal website each. D They want to get some information from others. Answer: A They think it has more advantages than disadvantages. Question:
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[A]:
Why do young people give out their personal information?