(总分：100.00，做题时间：130分钟)
Reading Comprehension(总题数：40，分数：0.00)
.In dogs left and right signal different things. 1 , it is in the way they wag (摇) their tails. And for dogs, like people, it is the left-hand side that is sinister (凶兆的).
A few years ago Giorgio Vallortigara of the University of Trento and his colleagues established that dogs wag their tails to the right when they see something pleasant, such as a beloved human master, and to the left when they see something unpleasant, such as an unfamiliar dominant dog. What Dr. Vallortigara did not establish then was whether such signals are 2 to other dogs. Now, he and the team have done just that.
As they reported in Current Biology, they wired up several dozen dogs and then showed them videos of dogs with tails wagging to left or right. A left-wagging tail, they found, 3 a higher maximum heart rate than a right-wagging tail. A right-wagging tail, indeed, produced th
e same results as one that was stationary.
Dr. Vallortigara and his colleagues also observed the animals during the experiment, 4 behaviors such as ear-flattening, head-lowering and whining (哀叫) that are 5 with stress. They found that stressed behaviors were more common in the 6 of left-wagging than right-wagging.
All this suggests lateral specialization in dogs' brains. The nervous signals for left-wagging and right- wagging 7 in different hemispheres. That they are 8 by different emotions shows that the two halves of a dog brain work, in this 9 at least, differently.
Human brains are similarly lateralised. Handedness is one example. Another is language, a function predominantly of the left hemisphere. Whether it is just a 10 that dogs and people agree about which side is sinister, or whether there is something deeper going on, remains to be determined.
A. apparent D. connected G. instance J. originate M. respect
B. associated E. derived H. meaningful K. Particularly N. Specifically
C. coincidence F. induced I. noting L. presence O. triggered（分数：25.00）
1. （分数：2.50）
填空项1:__________________ （正确答案：N）
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填空项1:__________________ （正确答案：F）
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填空项1:__________________ （正确答案：I）
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填空项1:__________________ （正确答案：B）
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填空项1:__________________ （正确答案：L）
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填空项1:__________________ （正确答案：J）
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填空项1:__________________ （正确答案：O）
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填空项1:__________________ （正确答案：M）
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.The increase in the margin rate (保证金率) from 50% to 70% was not an attempt to stem any rampant (泛滥的) speculation on the part of the public—actually the market seemed technically quite strong, with public participation essentially dignified—but rather an attempt by the Federal Reserve Board to preserve the sound underpinnings that existed in the market. Naturally, such a move had a 11 chilling effect upon prices but if the FRB had been preoccupied with undue speculation, the increase might have been to the 80% or even 90% level. Such increases in the margin rate is a 12 of a strong stock market and since 1989, such increases have resulted in interim (临时的) market highs over twelve months later. Obviously, there could be no 13 that this would once again be the case, but if history is any guideline—and if business and corporate earnings were to continue on the same course—continued optimism over the outlook for the stock market would seem more 14 than pessimism.
The margin increase 15 the good rise that stocks had enjoyed for the previous year—and the fact that a 50% rate was maintained as long as it was pointed up the fact that the rise was mainly conservative in that it was concentrated in the blue chips for the most part.
In past Investment Letters we have 16 the thought that speciality stocks could outperform the general market from this point. We continue to believe that this could be the case. For example, steel stocks tend to sell at a certain fixed price/earnings ratio. Below a certain ratio they are considered good value—above a certain ratio, 17 . If a company produces a unique product, it is far more difficult for market analysis to place a numerical ratio upon the company's earnings. We have also contended in the past Letters that the stock market reflects mass psychology as well as the business outlook. When investors—both the public and the institutions—are nervous and 18 they definitely hesitate to buy stocks: They seek tow price/earnings multiples and high 19 . These same investors—when they are in an optimistic frame of mind—become far less 20 with yields and more willing to pay a premium (high p/e multiples) for accelerated growth. If the public's attitude toward the auto industry is any measure, then this period seems to have been one of optimism.
A. confirmation D. invariably G. pessimistic J. representation M. vicinity
B. guarantee E. momentarily H. preoccupied K. speculate N. voiced
C. intelligible F. overpriced I. prudent L. underscored O. yields（分数：25.00）
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填空项1:__________________ （正确答案：E）
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填空项1:__________________ （正确答案：I）
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填空项1:__________________ （正确答案：L）
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填空项1:__________________ （正确答案：N）
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填空项1:__________________ （正确答案：F）
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填空项1:__________________ （正确答案：G）
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填空项1:__________________ （正确答案：O）
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填空项1:__________________ （正确答案：H）
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.
Strategies for Calling It a Day
A. Grant Freeland began to worry about the amount of hours he put in at work when a number of talented consultants in his Boston office left. They were burnt out and desperate to have a life outside work. Luckily, he was contacted by Leslie Perlow, professor of leadership in organizational behavior at Harvard Business School. She had a question that he too wanted answering: Could consultants, at the beck and call of clients' demands, ever have anything approaching a work-life balance?
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