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In 1986, the city of Los Diablos had 20 days on which air pollution reached unhealthful amounts and a smog alert was put into effect. In early 1987, new air pollution control measures were enacted, but the city had smog alerts on 31 days that year and on 39 days the following year. In 1989, however, the number of smog alerts in Los Diablos dropped to sixteen. The main air pollutants in Los Diablos are ozone and carbon monoxide, and since 1986 the levels of both have been monitored by gas spectrography.
Which of the following statements, assuming that each is true, would be LEAST helpful in explaining the air pollution levels in Los Diablos between 1986 and 1989?
(A) The 1987 air pollution control measures enacted in Los Diablos were put into effect in November of 1988.
(B) In December of 1988 a new and far more accurate gas spectrometer was invented.
(C) In February of 1989, the Pollution Control Board of Los Diablos revised the scale used to determine the amount of air pollution considered unhealthful.
(D) In 1988 the mayor of Los Diablos was found to have accepted large campaign donations from local industries and to have exempted those same industries from air pollution control measures.
(E) Excess ozone and carbon monoxide require a minimum of two years to break down naturally in the atmosphere above a given area. 答案是B，我选的是D，D中说市长接受了竞选捐款所以把这些支助他的企业排除在污染控制之外,是最不能解释空气污染的啊！空气污染是由摄谱术这种技术监控的，难道把这些企业排除在外，它们制造的污染就不能被监控了？B是被我排除的选项，因为1988年警报的是39天，如果新的监控技术被发明了，不正好可能导致污染的天数比去年增加么？求解释! Freud’s theories of the workings of the mind, while brilliant for their day, were formulated before most of this century’s great advances in neurophysiology and biochemistry. Today, we have a far deeper understanding of the biological components of thought, emotion, and behavior than was dreamed of eighty years ago. It would be foolish to continue parroting Freud’s psychological theories as if these advances had never occurred.
It can be inferred from the passage above that the author would be most likely to favor
(A) the abandonment of most of Freud’s theories
(B) a greater reliance on biological rather than psychological explanations of behavior
(C) a critical reexamination of Freud’s place in the history of psychology
(D) a reexamination of Freud’s theories in the light of contemporary biology
(E) increased financial support for studies in neurophysiology and biochemistry 答案为D，我选B，B哪错了？ To avoid a hostile takeover attempt, the board of directors of Wellco, Inc., a provider of life and health insurance, planned to take out large loans and use them to purchase a publishing company, a chocolate factory, and a nationwide chain of movie theaters. The directors anticipated that these purchase initially would plunge the corporation deep into debt, rendering it unattractive to those who wanted to take it over, but that steadily rising insurance rates would allow the company to pay off the debt within five years. Meanwhile, revenues from the three new businesses would enable the corporation as a whole to continue to meet its increased operating expenses. Ultimately, according o the directors’ plan, the diversification would strengthen the corporation by varying the sources and schedules of its annual revenues.
Which of the following, assuming that all are equally possible, would most enhance the chances of the plan’s success?
(A) A widespread drought decreases the availability of cacao beans, from which chocolate is manufacture, diving up chocolate prices worldwide.
(B) New government regulations require a 30 percent across-the-board rate rollback of all insurance companies, to begin immediately and to be completed within a five-year period.
(C) Congress enacts a statute, effective after six months, making it illegal for any parent not to carry health insurance coverage for his or her child.
(D) Large-screen televisions drop dramatically in price due to surprise alterations in trade barriers with Japan; movie theater attendance dwindles as a consequence.
(E) A new, inexpensive process is discovered for making paper pulp, and paper prices fall to 60 percent of their former level. 答案C，我选D，想要计划成功也就是说成功的破坏掉恶意的接管，就是说要加重这家保险公司的债务，C中，国会实施的条例对保险公司应该是有利的啊！不会增加它的债务，反而会增加其偿还债务的能力。D中保险公司对电影院的投资势必会受不良影响。求解释！ In 1981, for the first time in over two decades, the average scores of high school students on standardized math and English tests did not decline. During the same year, millions of American students enjoyed their first exposure to the new world of the microcomputer, whether in schools, video arcades, or other settings. The conclusion is clear: far from stultifying the intellectual capacities of students, exposure to computers can actually enhance them.
The most serious weakness of the argument above is its failure to
(A) discuss the underlying causes of the twenty-year decline in students’ test scores
(B) cite specific figures documenting the increases in test scores
(C) distinguish among the various types of computer being used by high school students
(D) define the intellectual capacities tested by the standardized math and English tests referred to
(E) explain exactly how high school students’ abilities on math and English tests could have been enhanced by exposure to computers 答案E，我选D，文中并没有将智力等同于标准化的数学与英文测试的分数啊！D哪错了？ | 
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发表于 2007-8-24 16:55:00
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