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{{B}} Madagascar{{/B}} There are at least 8 million unique species of life on the planet, if net far more, and you could be forgiven for believing that all of them can be found in Andasibe. Walking through this rain forest in Madagascar is like stepping into the library of life. Sunlight seeps through the silky fringes of the Ravenea louvelii, an endangered palm (棕榈树) found, like so much else on this African island, nowhere else. Madagascar which separated from India 80 million to 100 million years ago before eventually settling off the southeastern coast of Africa, is in many ways an Earth apart. All that time in geographic isolation made Madagascar a Darwinian playground, its animals and plants evolving into forms utterly original. Some 90% of the island’s plants and about 70% of its animals arc endemic, meaning that th A. Because of its geographic isolation. B. Because its nature is still in original form. C. Because most of its plants are endemic. D. Because most of its animals are endemic. 查看答案 更多"{{B}} Madagascar{{/B}} There are"的相关试题: [单项选择] {{B}} Madagascar{{/B}} There are at least 8 million unique species of life on the planet, if net far more, and you could be forgiven for believing that all of them can be found in Andasibe. Walking through this rain forest in Madagascar is like stepping into the library of life. Sunlight seeps through the silky fringes of the Ravenea louvelii, an endangered palm (棕榈树) found, like so much else on this African island, nowhere else. Madagascar which separated from India 80 million to 100 million years ago before eventually settling off the southeastern coast of Africa, is in many ways an Earth apart. All that time in geographic isolation made Madagascar a Darwinian playground, its animals and plants evolving into forms utterly original. Some 90% of the island’s plants and about 70% of its animals arc endemic, meaning that th A. Original vegetation cut down or burned. B. Habitats fragmenting and animals homeless. C. Hunting unchecked and without supervision. D. Mining, logging ,and energy exploration. 查看答案 [单项选择]{{B}}Test 3{{/B}} We enter the new millennium with more poor people than the world has ever known. Out of 6 billion now (compared with fewer than 2 billion in 1900), 1.3 billion are below the absolute poverty line, living on less than $ 1 a day, and 2.8 billion eke out survival on less than $ 2 a day. Inequality has multiplied enormously. The gap between the one-fifth of the world’ s people who live in the poorest countries and the one-fifth who live in the richest countries is now 71 to 1. In 1990 it was 60 to 1 and in 1960 it was 30 to 1. Yet in Asia, the absolutely poor are now one-third of the total, compared with onehalf in 1970. Their average life expectancy is 65 years, compared with 48 years then, and 70 percent of adults are now literate, compared with 40 percent. So there has been improvement. But excruciating misery is s A. to realize with strain. B. to base on. C. to suffer from. D. to fail to get. 查看答案 [单项选择]{{B}}Text 3{{/B}} There are at least two causes of anxiety: conflict and stress. As an example of the former, we can rarely predict the precise consequences of what we do, but we are awarded (oz cursed) with the intellectual capacity to anticipate the advantages and disadvantages which may arise for any action we may be contemplating. Very commonly we axe faced with a choice between several courses of action, all of which we have reasons for or against. This state of affairs -- in psychological jargon, multiple approach-avoidance conflict -- accounts for a great deal of our worrying: worrying, that is, about what to do. The other major source of worry is the dreadful things which may happen or have happened to us or to those we care for. Among the most stressful of these are death, illness, loss of work, money problems, marital problems and re A. are aware of different possible consequences resulting from their actions B. want to avoid problems they think they may meet C. are incapable of analyzing the actions they should take D. know what the results of their actions will be 查看答案 [简答题]{{B}}What do you like most or least about your work (What do you like most about your work What did you like best about your experience at the firm ){{/B}} 查看答案 [单项选择]A certain ear increased its average speed by 5 miles per hour in each successive 5-minute interval after the first interval. If in the first 5-minute interval its average speed was 20 miles per hour, how many miles did the car travel in the third 5-minute interval ？（） A. 1.0 B. 1.5 C. 2.0 D. 2.5 E. 3.0 查看答案 [单项选择] Passage One Swine flu has infected more than a million Americans and is infecting thousands more every week even though the annual flu season is well over. That total of those who have already been infected is "just a ballpark figure," said Dr. Anne Schuchat, director of respiratory diseases at the Centers for Disease Control and Prevention, adding, "We know we’re not tracking every single one of them." Only a tiny fraction of those million cases have been tested. 66 A survey in New York City showed that almost 7 percent of those called had had flu symptoms during just three weeks in May when the flu was spreading rapidly through schools. If that percentage of the city has had it, then there have been more than 500,000 cases in the city alone. 67 The flu has now spread to many areas of the country, Dr. Schuchaf noted, and the C. D. C. has heard of outbreaks in 34 summer camps in 16 states. About 3,000 Americans have been hospitalized, and their median ag A. The world’s eyes are on the Southern Hemisphere, which is at the beginning of its winter, when flu spreads more rapidly. B. Swine flu doesn’t often infect people, and the rare human cases that have occurred in the past have mainly affected people who had direct contact with pigs. C. That means difficult decisions will have to be made about whom to give it to first. D. Of those who die, Dr. Schuchat said, about three-quarters have some underlying condition like morbid obesity, pregnancy, asthma, diabetes or immune system problems. E. The estimate is based on testing plus telephone surveys in New York City and several other locales where the new flu has hit hard. F. 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