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标题: 请教大全的一道逻辑题目 [打印本页]
作者: fiftycents86    时间: 2007-3-8 23:46
标题: 请教大全的一道逻辑题目

Since the invention of digital readout, machine designers have rushed to replace conventional dials and gauges with digital units. Yet the digital gauge has drawbacks in some situations. Since it presents an exact numeric value, it must be decoded and analyzed by a human operator; its meaning cannot be read in an instantaneous scanning. An analog dial or gauge can be marked with red to alert the operator when a value is entering a danger zone; a digital gauge cannot. And it is difficult to tell whether a digital readout is increasing or decreasing over time, while the up or down movement of a pointer on an analog gauge can be quickly and easily observed.

The author of the passage above would probably recommend the use of digital gauge in cases when

I.
                        warning of a sudden rise or fall in value is needed

II.    an operator must read and interpret several gauges within a few seconds

III.   a precise numeric value is essential

(A) I only

(B) III only

(C) I and III only

(D) II and III only

(E) I, II, and III

 应该选什么呢?搞不懂

作者: tguichen    时间: 2007-3-9 12:19

C?

作者: df_hahaha    时间: 2007-3-9 13:47

B？

...Since it presents an exact numeric value, it must be decoded and analyzed by a human operator; its meaning cannot be read in an instantaneous scanning.

I.  "warning of a sudden rise or fall in value" must be analyzed。
II. "read and interpret several gauges within a few seconds" needs decoding and anlysis.
III."a precise numeric value " is exact numeric value.

作者: pumpkin    时间: 2007-3-10 07:38

请楼主修改一下标题，注明一下是大全多少，不然您自己都搜索不到了。。。

http://forum.chasedream.com/dispbbs.asp?boardID=24&ID=74827&page=1

GMAT逻辑区格式和搜索

GMAT逻辑区格式：

  1. OG部分：OG-题号。如OG-1表示OG的第1题。[标号以OG为准]
  2. 大全GMAT部分：大全-TEST号-题号。如大全-A-1表示GMAT部分-TEST A-Question1；大全-I-1表示GMAT部分-TEST I-Question1；大全-1-1表示GMAT部分-TEST1-Question1。[标号以gemj逻辑大全为准]
  3. GWD13+1套：GWD-第几套-V部分的题号。如GWD-1-4表示GWD第1套第4题。（目前有老题13套和新题第24套，编号以1-13和24为准）
  4. 天山题：天山-第几套-题号。如天山-1-1表示天山题第1套第1题。
  5. 逻辑JJ：JJ-0410-1表示2004年10月逻辑JJ第1题（编号以JJ区汇总稿为准）
  6. GRE逻辑单题：GRE-N4-3-1表示GRE-N4-Section3-Question1；GRE-G90-3-1表示GRE-国内90年-Section3-Question1




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