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Most household appliances use electricity only when in use. Many microwave ovens, however, have built-in clocks and so use some electricity even when they are not in use. The clocks each consume about 45 kilowatt-hours per year. Therefore, households whose microwave oven has no built-in clock use 45 kilowatt-hours per year less. On average, than do comparable households whose microwave oven is otherwise similar but has a built-in clock.

Which of the following is an assumption on which the argument depends?

正确答案: D

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GWD24-18

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楼主
发表于 2007-9-1 14:47:00 | 只看该作者

GWD24-18

GWD-24-Q 18:

Most household appliances use electricity only when in use. Many microwave ovens,

However, have built-in clocks and so use some electricity even when they are not in

Use. The clocks each consume about 45 kilowatt-hours per year. Therefore, house

Holds whose microwave oven has no built-in clock use 45 kilowatt-hours per year

Less. On average, than do comparable households shoes microwave oven is other-

Wise similar but has a built-in clock.

 

Which of the following is an assumption on which the argument depends?

A.     Households that do not have a microwave oven use less energy per year, on

average, than do households that have a microwave oven.

B.     Microwave ovens with a built-in clock do not generally cost more to buy than

microwave ovens without a built-in clock.

C.     All households that have a microwave oven also have either a gas oven or a

Conventional electric oven.

D.     Households whose microwave oven does not have a built-in clock are no more

likely to have a separate electric clock plugged in than households whose

microwave oven has one.

E.      There are more households that have a microwave oven with a built-in clock

than there are households that have a microwave oven without a built-in clock.

我倒是也做对了,可是题干部分的最后一句话看着好别扭啊,哪位高人帮忙翻译下?谢谢了!

沙发
发表于 2007-9-1 20:29:00 | 只看该作者

与同类可比的,使用功能相近、但含内置时钟的微波炉的家庭相比,使用不含内置时钟装置的微波炉的家庭每年平均可以少用45千瓦时的电。

板凳
 楼主| 发表于 2007-9-1 21:41:00 | 只看该作者

多谢哈!我反应过来了,那个shoes是印错了吧,应该是whose,我死活没明白咋出来个shoes。

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