each of the following would have to be true EXCEPT 是什么意思? 附原题PERP 103

zsy020584 · 发表于 2011-3-21 01:59:48

each of the following would have to be true EXCEPT 是什么意思？是不是意思说让你选在已有条件下，能够推出绝对错的选项？附原题PERP

103.(25386-!-item-!-188;#058&001420) (GWD 27-Q2)

Electronic computer chipsmade of tiny silicon wafers now regularly contain millions of electronicswitches. Unfortunately, electronic switches that are this small cannotwithstand intense radiation. Micro-Mechanics plans to produce a chip that,because it uses onlymicroscopic mechanical switches, will be invulnerable to radiation damage. Theswitches will, however, be slower than electronic switches and the chip willcontain only 12,000 switches.
For there to be a market forMicro-Mechanics's chip as a result of the apparent advantage described above,each of the following would have to be true EXCEPT:
A. There will beapplications in which the speed attainable by an electronic switch is notessential.
B. Switches used onelectronic chips that contain only 12,000 switches are more vulnerable toradiation damage than the switches on Micro-Mechanics's chip will be.
C. There will beapplications for computer chips in environments where the chips may have tosurvive intense radiation.
D. Some devices in whichcomputer chips will be used will have other components that will be able tofunction during or after exposure to radiation.
E.Manufacturers are able to protect electronic computerchips against exposure to intense radiation, where this protection isnecessary.答案： E，弄不明白这题啊，求高人解释一下啊~~~~

sdcar2010 · 发表于 2011-3-21 04:04:22

each of the following would have to be true EXCEPT means 4 answers are MUST BE TRUE answers while the fifth answer is either must be false or could be false.

In nowhere of the stimulus can you find support for answer choice E. Then E could be false, thus the correct answer.

each of the following would have to be true EXCEPT 是什么意思? 附原题PERP 103

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