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标题: 求助！OG12 CR97题~ [打印本页]

作者: rainnight 时间: 2011-9-2 06:56 标题: 求助！OG12 CR97题~

og12
97. Delta Products Inc. has recently switched at least partly from older technologies using fossil fuels to
new technologies powered by electricity. The question has been raised whether it can be concluded that
for a given level of output Delta’s operation now causes less fossil fuel to be consumed than it did
formerly. The answer, clearly, is yes, since the amount of fossil fuel used to generate the electricity needed to
power the new technologies is less than the amount needed to power the older technologies, provided level of
output is held constant.

In the argument given, the two boldfaced portions play which of the following roles?

(A) The first identifi es the content of the conclusion of the argument; the second provides support for that
conclusion.
(B) The first provides support for the conclusion of the argument; the second identifi es the content of that
conclusion.
(C) The first states the conclusion of the argument; the second calls that conclusion into question.
(D) The first provides support for the conclusion of the argument; the second calls that conclusion into
question.
(E) Each provides support for the conclusion of the argument.

答案是选B，但还是想不通啊~~~

请问各路大侠，为什么第一句boldface是支持结论啊~~我觉得它不过是陈述了一个事实么~~~

不胜感激！

作者: Vickyliu 时间: 2011-9-2 21:20

第一个boldface有点牵强。。它其实是在介绍个类似背景的东西。。但是从第二个可以判出选B

作者: samuelxie 时间: 2011-9-3 08:09

Delta Products Inc. has recently switched at least partly from older technologies using fossil fuels to
new technologies powered by electricity. The question has been raised whether it can be concluded that
for a given level of output Delta’s operation now causes less fossil fuel to be consumed than it did
formerly.The answer, clearly, is yes, since the amount of fossil fuel used to generate the electricity neededto
power the new technologiesis less thanthe amount needed to power the older technologies, provided level of
output is held constant.

（1）题中说新技术用ff少了，
（2）BF1说D公司部分设备换成新科技了，
（1）（2）可以共同推出D公司消耗的ff少了=结论

楼主你说BF1是不是支持了结论的推出？

作者: kittycd 时间: 2011-9-4 07:56

第二个黑体就是结论。看后面说clearly yes就能判断。所以BF2 calls for the argument。
而第一个是事实加强。

作者: lovesiqi4665 时间: 2011-9-4 21:06

it can be concluded that这个地方就暗示了BF2是conclusion

作者: Claudinethj 时间: 2011-9-5 20:42

Delta Products Inc. has recently switched at least partly from older technologies using fossil fuels to
new technologies powered by electricity. The question has been raised whether it can be concluded that
for a given level of output Delta’s operation now causes less fossil fuel to be consumed than it did
formerly.The answer, clearly, is yes, since the amount of fossil fuel used to generate the electricity needed to
power the new technologies is less than the amount needed to power the older technologies, provided level of
output is held constant.
想请问下OG说第二个boldface只是question的一部分··说boldface包含了question部分·即蓝色区域，那么D项··calls that conclusion into question就是正确的··

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