一、最重要的原因
举例1：Many captive shippers also worry they will soon be hit with a round of huge rate increas. The railroad industry as a whole, despite its brightening fortunes, still does not earn enough to cover the cost of the capital it must invest to keep up with its surging traffic. Yet=mainly railroads continue to borrow billions to acquire获得；收购 one another, with Wall Street cheering them on. 2003-3
According to the text, the cost increa in the rail industry is mainly caud by ______.
[A] the continuing acquisition
[B] the growing traffic
[C] the cheering Wall Street（A）
[D] the shrinking market
举例2：What accounts for解释 the great outburst of major inventions in early America -- breakthroughs such as the telegraph, the steamboat and the weaving machine?
Among the many shaping factors, I would single out the country’s excellent elementary schools; a labor force that welcomed the new technology; the practice of giving premiums to inventors; and above all the American genius for nonverbal, “spatial” thinking about things technological.
脏怎么读According to the author, the great outburst(burst out) of major inventions in early America was in a large很大程度=主要原因 part due to ________.
in large part=mainly= above all = most probably
the American genius for nonverbal, “spatial” thinking about things technological.
[A] elementary schools
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[B] enthusiastic workers
[C] the attractive premium system
[D] a special way of thinking
举例3：The rearchers studied the behaviour of female brown capuchin monkeys. They look cute. They are good-natured, cooperative creatures, and they share their food tardily. Above all, like their female human counterparts, they tend to pay much clor attention to the value of “goods and rvices” than males. Such characteristics make them perfect candidates for Dr. Brosnan’s and Dr. de waal’s study.
Female capuchin monkeys were chon for the rearch most probably becau they are ________.
like their female human counterparts, they tend to pay much clor attention to the value of “goods and rvices” than males.
counterpart 相对应的人或物
[A] more inclined to=tend to weigh=pay attention to what they get=the value of sth
[B] attentive to rearchers’ instructions
[C] nice in both appearance and temperament（A）
[D] more generous than their male companions
二、明显的因果关系词
举例1：Superhigh scores like vos Savant’s are no longer possible, becau scoring is now bad on a statistical population distribution among age peers, rather than simply dividing the mental age by the chronological age and multiplying by 100. Other standardized tests, such as the Scholastic Asssment Test (SAT) and the Graduate Record Exam (GRE), capture the main aspects of IQ tests .
People nowadays can no longer achieve IQ scores as high as vos Savant’s becau .干学生
[A] the scores are obtained through different computational procedures： [B] creativity rather than analytical skills is now emphasized now钦州地区
[C] vos Savant’s ca is an extreme one that will not repeat
[D] the defining characteristics of IQ tests has changed
举例2：How things have changed! In 1995 the United States can look back on five years of solid growth while Japan has been struggling. Few Americans】作者的观点 attribute this=solid growth solely to such obvious caus 厦门大学博士as a devalued dollar or the turning of the business cycle.
Self-doubt has yielded to blind pride. “American industry has changed its structure, has gone on a diet, has learnt to be more quick-witted,” according to Richard Cavanagh, executive dean of Harvard’s Kennedy School of Government. “It makes me proud to be an American just to e how our business are improving their productivity,” says Stephen Moore of the Cato Institute, a think-tan
k in Washington, DC. And William Sahlman of the Harvard Business School believes that people will look back on this period as “a golden age of business management in the United States.”:
The author ems to believe the revival复苏 of the U.S. economy in the 1990s can be attributed to归因于 the _______.+原因
a devalued dollar or the turning of the business cycle.
[A] turning of the business cycle
[B] restructuring of industry
[C] improved business management（A）
[D] success in education
举例3：For us, this means that evolution is over; the biological Utopia has arrived. Strangely, it has involved little physical change. No other species fills so many pla
ces in nature. But in the pass 100,000 years -- even the pass 100 years -- our lives have been transformed but our bodies have not. We did not evolve,腹泻是什么症状 becau machines and society did it for us.
The author argues that our bodies have stopped evolving进化=did not evolve becau ________.
内存卡不能读取怎么办[A] life has been improved by technological advance
[B] the number of female babies has been declining
