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A breakthrough in the provision of energy from the sun for the European Economic Community could be brought forward by up to two decades, if a modest increase could be provided in the EEC’s research effort in this field, according to the senior EEC scientists engaged in experiments in solar energy at EEC’s scientific laboratories at Ispra, near Milan. The senior West German scientist in charge of the community’s solar energy program, Mr. Joachim Gretz, told jurnalists that at present levels of research spending it was most unlikely that solar energy would provide as much as three percent of the Community’s energy requirements even after the year 2000. But he said that with a modest increase in the present sums, devoted by the EEC to this work it was possible that the breakthrough could be achieve A. be advanced B. be completed C. be expected D. be introduced 查看答案 更多"{{B}}TEXT A{{/B}} A bre"的相关试题: [单项选择] {{B}}TEXT A{{/B}} A breakthrough in the provision of energy from the sun for the European Economic Community could be brought forward by up to two decades, if a modest increase could be provided in the EEC’s research effort in this field, according to the senior EEC scientists engaged in experiments in solar energy at EEC’s scientific laboratories at Ispra, near Milan. The senior West German scientist in charge of the community’s solar energy program, Mr. Joachim Gretz, told jurnalists that at present levels of research spending it was most unlikely that solar energy would provide as much as three percent of the Community’s energy requirements even after the year 2000. But he said that with a modest increase in the present sums, devoted by the EEC to this work it was possible that the breakthrough could be achieve A. less than 3% of the EEC’s needs before the year 2000 B. 3% of the EEC’s needs before the year 2000 C. a little more than 3% of the EEC’s needs after the year 2000 D. only 3% of the EEC’s needs even after the year 2000 查看答案 [单项选择] {{B}}TEXT B{{/B}} In early 19th century America, care for the mentally iii was almost non-existent: the afflicted were usually relegated to prisons, almshouses, or inadequate supervision by families. Treatment, if provided, paralleled other medical treatments of the time, including bloodletting and purgatives. However, in a wave of concern for the oppressed, some took action. Among these, Dorothea Dix was the leading crusader for the establishment of state-supported mental asylums. Through her efforts, the first state hospitals for the insane were built in New Jersey and Pennsylvania. She and other reformers sought humane, individualized care, with the rich and the poor housed together to insure high standards for all. The movement was generated by social reform, but throughout the century, mental illness was probed and analyzed, and" cures" prescribed by both the scientific and lay communities. "Moral treatment" was the A. inadequate care by families B. social reform C. the effects of medical treatment D. those who were not mentally iii 查看答案 [单项选择] {{B}}TEXT B{{/B}} The 10th launch of the space shuttle Challenger was scheduled as the 25th space shuttle mission. Francis R. (Dick) Scobee was the mission commander. The crew included Christa McAuliffe, a high-school teacher from New Hampshire. The five other crew members were Gregory B. Jarvis, Ronald E. McNair, Ellison S. Onizuka, Judith A. Resnik, and Michael J. Smith. After several launch delays, NASA officials overruled the concerns of engineers and ordered a liftoff on a cold morning, Jan. 28, 1986. The mission ended in tragedy. Challenger disintegrated into a ball of fire. The accident occurred 73 seconds into flight, at an altitude of 14020 meters and at about twice the speed of sound. Strictly speaking, Challenger did not explode. Instead, various structural failures caused the spacecraft to break apart. Although Challenger disintegrated almost without warning, the crew may have briefly been aware that somethin A. share B. ignore C. consider D. know 查看答案 [单项选择]{{B}}TEXT B{{/B}} 1 BAGHDAD, Iraq (CNN Thursday, May 13, 2004) -- Defense Secretary Donald Rumsfeld Thursday arrived in the Iraqi capital on a surprise visit to rally U.S. troops, but denied his agenda was to calm the storm over prisoner abuse at Abu Ghraib prison. 2 "If anybody thinks that I’m [in Iraq] to throw water on a fire, they’re wrong," Rumsfeld told reporters on board his flight to Iraq. 3 "We care about the detainees being treated fight. We care about soldiers behaving right. We care about command systems working." 4 Rumsfeld was accompanied by Gen. Richard Myers, the chairman of the Joint Chiefs of Staff, and a team of Pentagon attorneys, sources involved in planning the trip told CNN. 5 Rumsfeld and Myers will meet with top coalition officials in Iraq. For security reasons, details of their schedules are being kept secret. It i A. calm the storm over prisoner abuse B. rally U.S. troops C. escape censure at Home D. replace top coalition officials 查看答案 [单项选择] Text 2 The next big breakthrough in artificial intelligence could come from giving machines not just more logical capacity, but emotional capacity as well. Feelings aren’t usually associated with inanimate machines, but Rosalind Picard, a professor of computer technology at MIT, believes emotion may be just the thing computers need to work effectively. Computers need artificial emotion to understand their human users better and to achieve self-analysis and self-improvement. The more scientists study the "wetware" model for computing—the human brain and nervous system—the more they conclude that emotions are a part of intelligence, not separate from it. Emotions are among the tools that we use to process the tremendous amount of stimuli in our environment. They also pay a role in human learning and decision making. Feeling bad about a wrong decision, for instance, focuses attention on avoiding future error. A feeling of pleasure, A. fictional B. humanized C. economical D. operational 查看答案 [单项选择]{{B}}Text 2{{/B}} Punctuation makes the written language intelligible. It does the job, on the page, of the changes of pitch, pace and rhythm which make it possible to understand speech. Unsurprisingly, therefore, a requirement for some knowledge of how to punctuate makes an early appearance in an English curriculum. The trouble is, that necessary though punctuation is, the task of teaching it to children is considerably more challenging than it might appear. For example, it is possible that to instruct children about writing in sentences by telling them about full stops and capital letters is to court frustration and failure. The notion of the sentence as a statement—a free- standing chunk of information—is something that children come to gradually. As written work grows longer and more complicated, so the perception of sentence increases. 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