大豆

大全-3-1.        Child’s World, a chain of toy stores, has relied on a “supermarket concept” of computerized inventory control and customer self-service to eliminate the category of sales clerks from its force of employees. It now plans to employ the same concept in selling children’s clothes.
The plan of Child’s World assumes that
(A) supermarkets will not also be selling children’s clothes in the same manner
(B) personal service by sales personnel is not required for selling children’s clothes successfully
(C) the same kind of computers will be used in inventory control for both clothes and toys at Child’s World
(D) a self-service plan cannot be employed without computerized inventory control
(E) sales clerks are the only employees of Child’s World who could be assigned tasks related to inventory control

大豆

大全-3-5.        A weapons-smuggling incident recently took place in country Y. We all know that Y is a closed society. So Y’s government must have known about the weapons.
Which of the following is an assumption that would make the conclusion above logically correct?
(A) If a government knows about a particular weapons-smuggling incident, it must have intended to use the weapons for its own purposes.
(B) If a government claims that it knew nothing about a particular weapons-smuggling incident, it must have known everything about it.
(C) If a government does not permit weapons to enter a country, it is a closed society.
(D) If a country is a closed society, its government has a large contingent of armed guards patrolling its borders.
(E) If a country is a closed society, its government has knowledge about everything that occurs in the country.

大豆

大全-3-11.        An electric-power company gained greater profits and provided electricity to consumers at lower rates per unit of electricity by building larger-capacity more efficient plants and by stimulating greater use of electricity within its area. To continue these financial trends, the company planned to replace an old plant by a plant with triple the capacity of its largest plant.
The company’s plan as described above assumed each of the following EXCEPT:
(A) Demand for electricity within the company’s area of service would increase in the future.
(B) Expenses would not rise beyond the level that could be compensated for by efficiency or volume of operation, or both.
(C) The planned plant would be sufficiently reliable in service to contribute a net financial benefit to the company as a whole.
(D) Safety measures to be instituted for the new plant would be the same as those for the plant it would replace.
(E) The tripling of capacity would not result in insuperable technological obstacles to efficiency.

大豆

大全-2-14.        A recent survey of all auto accident victims in Dole County found that, of the severely injured drivers and front-seat passengers, 80 percent were not wearing seat belts at the time of their accidents. This indicates that, by wearing seat belts, drivers and front-seat passengers can greatly reduce their risk of being severely injured if they are in an auto accident.
The conclusion above is not properly drawn unless which of the following is true?
(A) Of all the drivers and front-seat passengers in the survey, more than 20 percent were wearing seat belts at the time of their accidents.
调查的人中，20%是在事故中系了安全带的。只有这样，才能说明系安全带起了作用。
(B) Considerably more than 20 percent of drivers and front-seat passengers in Dole County always wear seat belts when traveling by car.范围太广，原文只限制在事故调查中的司机和乘客。
(C) More drivers and front-seat passengers in the survey than rear-seat passengers were very severely injured.
(D) More than half of the drivers and front-seat passengers in the survey were not wearing seat belts at the time of their accidents.
(E) Most of the auto accidents reported to police in Dole County do not involve any serious injury.
Questions 19-20 are based on the following.
Blood banks will shortly start to screen all donors for NANB hepatitis. Although the new screening tests are estimated to disqualify up to 5 percent of all prospective blood donors, they will still miss two-thirds of donors carrying NANB hepatitis. Therefore, about 10 percent of actual donors will still supply NANB-contaminated blood.
测试可以筛出5%不合格的，但仍有2/3不合格的筛不出来，也就是5%只占1/3，总共有15%不合适的，还有10%没筛出来。A的意思是这10%的人没有别的测试可检查出来的毛病（如果有，肯定也筛出来了，就不会有10%带NANB的人在里面了，结论就不成立）。排除他因。

大豆

大全-2-19.        The argument above depends on which of the following assumptions?
(A) Donors carrying NANB hepatitis do not, in a large percentage of cases, carry other infections for which reliable screening tests are routinely performed.
(B) Donors carrying NANB hepatitis do not, in a large percentage of cases, develop the disease themselves at any point.
(C) The estimate of the number of donors who would be disqualified by tests for NANB hepatitis is an underestimate.
(D) The incidence of NANB hepatitis is lower among the potential blood donors than it is in the population at large.
(E) The donors who will still supply NANB-contaminated blood will donate blood at the average frequency for all donors.

大豆

大全-2-20.        Which of the following inferences about the consequences of instituting the new tests is best supported by the passage above?
(A) The incidence of new cases of NANB hepatitis is likely to go up by 10 percent.
(B) Donations made by patients specifically for their own use are likely to become less frequent.
(C) The demand for blood from blood banks is likely to fluctuate more strongly.
(D) The blood supplies available from blood banks are likely to go down.
测试可以检查出不合适的献血者，那么合适的献血者就少了，可利用的血液也自然就少了。
(E) The number of prospective first-time donors is likely to go up by 5 percent.