标题: 大全逻辑 [打印本页] 作者: cristina2 时间: 2009-12-11 19:26 标题: 大全逻辑 A manufacturer of men’s dress socks sought to increase profits by increasing sales. The size of its customer pool was remaining steady, with the average customer buying twelve pairs of dress socks per year. The company’s plan was to increase the number of promotional discount-sale periods to one every six months.
Which of the following, if it is a realistic possibility, casts the most serious doubt on the viability of the company’s plan?
(A) New manufacturing capacity would not be required if the company were to increase the number of pairs of socks sold.
(B) Inventory stocks of merchandise ready for sale would be high preceding the increase in the number of discount-sale periods.
(C) The manufacturer’s competitors would match its discounts during sale periods, and its customers would learn to wait for those times to make their purchases.
(D) New styles and colors would increase customers’ consciousness of fashion in dress socks, but the customers’ requirements for older styles and colors would not be reduced.（C）
(E) The cost of the manufacturer’s raw materials would remain steady, and its customers would have more disposable income.
C, B怎么不选?
Suitable habitats for gray wolves have greatly diminished in area. In spite of this fact, the most sensible course would be to refrain from reestablishing gray wolves in places where previously they have been hunted out of existence. Striving to bring back these animals to places where they will only face lethal human hostility is immoral.
6. The argument above depends on
(A) an appeal to an authority
(B) a belief that gray wolves are dangerous to human beings and livestock
(C) an assumption that two events that occur together must be causally connected
(D) an assumption that the future will be like the past（D）
(E) a threat of violence against those persons presenting the opposing view
7. The argument above would be most significantly weakened if which of the following were true?
(A) Effective laws against the hunting of gray wolves have been enacted.
(B) Ranchers, farmers, and hunters still have an ingrained bias against gray wolves.
(C) By the 1930’s bounty hunters had exterminated most of the gray wolves in the United States . (D) Programs for increasing the gray wolf population are not aided by federal laws that require the licensing of hunters of certain predators.（A）
(E) Suggested programs for increasing the gray wolf population have been criticized by environmentalists and biologists.
答案分别是D,A,题目逻辑意思没理清楚
A study comparing a group of chronically depressed individuals with an otherwise matched group of individuals free from depression found significantly more disorders of the immune system among the depressed group. According to the researchers, these results strongly support the hypothesis that mental states influence the body’s vulnerability to infection.
Which of the following, if true, casts the most serious doubt on the researchers’ interpretation of their findings?
(A) The researchers’ view does little more than echo a familiar theme in folklore and literature.
(B) Chronically depressed individuals are no less careful than others to avoid exposure to infections.
(C) Disorders of the immune system cause many of those individuals who have them to become chronically depressed.
(D) Individuals who have previously been free from depression can become depressed quite suddenly.（C）
(E) A high frequency of infections can stem from an unusually high level of exposure rather than from any disorder of the immune system