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标题: 天山3-16 [打印本页]

作者: mimazongwang 时间: 2005-9-21 00:44
标题: 天山3-16
这道好象从来没有人问过

也许比较容易吧, 可我就是转不过来, 怎么看也觉得E对, 请大家帮我理理思路吧.

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.

作者: mimazongwang 时间: 2005-9-21 04:07

我在置顶的帖子中找到了

作者: cissygu 时间: 2005-9-24 13:18
请问是贴子在哪里呢, 我怎么没有找到哦

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