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标题: 答案不一致的GWD题 [打印本页]

作者: wydning    时间: 2009-10-13 14:41
标题: 答案不一致的GWD题

Q16:
In response to mounting pubic concern, an airplane manufacturer implemented a program
with the well-publicized goal of reducing by half the total yearly amount of hazardous
waste generated by its passenger-jet division. When the program began in 1994, the
division’s hazardous waste output was 90 pounds per production worker; last year it was
40 pounds per production worker. Clearly, therefore, charges that the manufacturer’s
program has not met its goal are false.
Which of the following is an assumption on which the argument depends?
A. The amount of nonhazardous waste generated each year by the passenger-jet
division has not increased significantly since 1994.
B. At least as many passenger jets were produced by the division last year as had
been produced in 1994.
C. Since 1994, other divisions in the company have achieved reductions in hazardous
waste output that are at least equal to that achieved in the passenger-jet division.
D. The average number of weekly hours per production worker in the passenger-jet
division was not significantly greater last year than it was in 1994.
E. The number of production workers assigned to the passenger-jet division was not
significantly less in 1994 than it was last year.

答案有给B的,也有给E的,应该是什么啊?个人觉得是E比较相关吧


作者: genius_fang    时间: 2009-10-14 00:19
应该是E!因为他说the goal:reducing by half the total yearly amount 注意是total!后面提到的的90和40都是per worker。所以原题基于这么一个假设,即工人总人数变化不大!不然的话per worker少不一定total也少!

作者: serendipityh    时间: 2009-10-14 21:51
prep 答案是E





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