Problem: Given the question: Write a multi-choice question for the following article, with the given choices and answer: Article: We recently read a report on China's environmental problems, based on reports from Singapore's Straits Times. There was one statistic that shocked us. Environmental experts claim that without some great change, pollution might, within five years, make the Yangtze River just about unsuitable for all forms of life to live in. The baiji, or the Yangtze River dolphin, was only the latest victim. According to the first report, in the 1980s there were 126 forms of life in the river, and by 2002, that figure was already down to 52. Just how bad is the situation? The Yangtze River flows by 186 cities on its way from Qinghai to Shanghai, and in the process picks up 40% of China's polluted waste water. According to another report, in 2006, China produced a total of 53.7 billion tons of waste water. But that's not the worst news. By 2030, China might possibly use up between 89-100% of its sources of drinking water. All of this begs a deeper question: What kind of water are they using when they pump 10 kilos of water into pigs headed for the slaughterhouse ? This is an important question because if its waste water is not fit for human to drink, there's a chance that some of whatever was in that water was in the pork you had for lunch today. And if the water is safe to drink, that's a waste of perfectly good water. Another report we read, related to the Taihu algae blooming that has left 3 million people in the Wuxi area without drinking water, claims(quite believably) that Taihu's environmental problems will never end until all the factories along the lake close down. The algae bloom is so bad there that lots of people have to take the algae out of the lake all day long instead of fishing. Options: A There is no clean water to pump into pigs which are to be slaughtered. B A large amount of waste water is produced every year in China. C The sources of drinking water might be almost used up in the future. D There are poisonous things in the pork that people eat. Answer: C The sources of drinking water might be almost used up in the future. Question:
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The answer is:
Which of the following problems is the most important according to the passage?

Problem: Given the question: Write a multi-choice question for the following article, with the given choices and answer: Article: For millions of people,the American dream of owning a home seems to be slipping out of reach. "Maybe young couples can no longer afford to buy a ready-made house as their parents did,' says 40-year-old building instructor Pat Hennin."But they can still have a home.Like their pioneer ancestors,they can build it themselves,and at less than half the cost of a ready-made house." The owner-builders came from every occupational group,although surprisingly few are professional building workers.Many take the plunge with little or no experience."l learned how to build my house from reading books,"says John Brown,who built a six-room home for$25,000 in High Falls,New Jersey."If you have patience and the carpentry skill to make a bookcase,you can build a house."An astonishing 50 percent of these owner builders hammer every nail.1ay every pipe,and wire every switch with their own hands.The rest contract for some parts of the task.But even those who just act as contractors and finish the insides of their homes can save from 30 percent to 45 percent of what a ready-made home would cost. One survey revealed that 60 percent of owner-builders also design their homes.Many others buy commercial house plans for less than $100 or use plans available from the U.S. Department of Agriculture. Options: A Most owner-builders are professional building workers. B Owner-builders can save 30 percent to 45 percent of what a ready-made home would cost. C Less than 40 percent of owner-builders buy commercial plans. D Only if you have carpentry skill can you build your own house. Answer: C Less than 40 percent of owner-builders buy commercial plans. Question:
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The answer is:
Which of the following is TRUE according to the passage?

Problem: Given the question: Write a multi-choice question for the following article, with the given choices and answer: Article: The Wall Street Journal Asia Edition(prefix = st1 /U. S.), the Globe and Mail(Canada), the Guardian(U. K. ),among other foreign news agencies,have recently published articles on China's earthquake relief. They have all praised the earthquake relief efforts made by the Chinese government. The Wall Street Journal Asia Edition published an article on May 21 saying that on the eighth day of the most serious natural disaster to hit China in decades, rescuing survivors from the ruins had been quickly replaced by the _ challenge of helping them. The article said that people overseas have been deeply impressed by earthquake relief efforts by the Chinese government. The Associated French Press(AFP) reported on May 21 that Chinahas become more open during the campaign. Aircraft loaded with relief supplies from Ukraine,Russia,the United States, Singapore and other countries have arrived in disaster areas in southwestern China. The Associated Press(AP) published an article on May 21 reporting that Chinais making great efforts to deal with an extremely difficult task caused by the earthquake how to provide temporary shelter far so many people. The article said that many tents have been built;and food and medical care are provided to the people whose lives have been completely disturbed by the earthquake. The Global and Mail of Canada published an article on May 20 that said the rapid earthquake relief work in Sichuan demonstrates China's powerful economic strength. An article carried in the British Guardian said that one week after the Sichuan earthquake,China began a three-day national mourning period at 14:28 on may 19, and all Chinese people stood in silence for three minutes in memory of the victims. The ongoing search and rescue action is encouraged by one miraculous survivor after another: Chinese officials said that,so far, no epidemic had occurred after the earthquake. Options: A rescuing survivors from the ruins B providing temporary shelter and food for the victims C burying dead bodies as quickly as possible D clearing away the ruins to build new houses Answer: B providing temporary shelter and food for the victims Question:
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The answer is:
According to the passage,the most pressing task in the earthquake-hit i areas is--.