In response to mounting public concern, an airplane manufacture implemented a program with the well-publized goal of reducing by half the total yearly amount of hazardous waste generated by its passanger-jet division. When the program began in 1994, the division's hazardous waste output was 90 pound per worker. last year it was 40 pound per worker. Therefore, charges that the manufacturer's program has not met its goal are false.
B: at least as many passanger jets were produced by the division last year as had been produced in 1994
D: the number of production workers assigned to the passanger jet division was not significantly less in 1994 than it was last year.
我选E，答案给B，我觉得我对作者: mary1 时间: 2004-7-11 09:59
you mean D, right? I think B is incorrect. I agree with D作者: 开若兰 时间: 2009-7-5 21:29
题目给出的信息是：目标是关于总量的一半，而比较的信息是基于 a worker 的，所以 D (or E?) 选项通过提供 the number of worker 正确将总量和基于每个 worker 的比较量做了关联。而 B 选项不正确的原因是，在题目中，生产出来的 jets 架数其实是无关信息。
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