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Lacking information about energy use, people tend to overestimate the amount of energy used by equipment, such as lights, that are visible and must be turned on and off and underestimate that used by unobtrusive equipment,such as water heaters.

正确答案: D

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代词指代verbal2edition 34Lacking information about energy use, people tend to overes

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发表于 2012-10-18 20:21:24 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
8. Lacking information about energy use, people tend to overestimate the amount of energy used by
equipment. such as lights, that are visible and must be turned on and off and underestimate that used by
unobtrusive equipment, such as water heaters.
(A) equipment, such as lights, that are visible and must be turned on and off and underestimate that
(B) equipment, such as lights, that are visible and must be turned on and off and underestimate it when
(C) equipment, such as lights, that is visible and must be turned on and off and underestimate it when
(D) visible equipment, such as lights, that must be turned on and off and underestimate that
(E) visible equipment, such as lights, that must be turned on and off and underestimate it when
D、E选项中,underrestimate that 和 underestimate it when 有什么区别?
是不是因为that表示泛指,即that指代the amount of energy; it指代包括修饰词在内的前面的整体,即the amount of energy used by equipment?造成逻辑错误?
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沙发
发表于 2012-10-18 21:20:59 | 只看该作者
D这是个平行啊,前句是overestimate the amount(of energy used by。。)。。。。and underestimate that(used by。。。。),that指代the amount of energy

E相比绝对没有D平行,还有从句when,保证原句逻辑含义也不应该无缘无故来个when


LZ说的那个it和that的区别,it是前后绝对是一模一样的东西指代;that是同物质但是有条件约束变化,已发生改变
板凳
发表于 2012-10-18 21:59:45 | 只看该作者
also

you can use the structure to determine when is improper here


people tend to .....and underestimate when used...


when used is an omitted structure , you should fill with the omitted part to figure out whether the omission makes sense


people is omitted here, so people are used (that is illogical)
地板
发表于 2013-6-7 07:42:01 | 只看该作者
这题可以用曼哈顿5语法里的两点来解释:1、GMAT中,永远不会用This/that/these/those来直接指代名词,除非后面加上修饰性名词、短语(of…)或从句。本题中that后有修饰性短语,所以可以使用;2、4.        It/they指代的是与先行词同样的个东西,That/those指代的是与先行词不同的那个东西。本题中前后的the mount ofenergy是不一样的。
5#
发表于 2014-11-21 00:52:36 | 只看该作者
Between D and E....D is parallel

overestimate the amount of energy used by visible equipment.......and underestimate that [amount of energy] used by unobtrusive equipment.............
6#
发表于 2016-5-4 23:09:05 | 只看该作者
【提问】在句子中... ...equipment. such as lights, that are visible ... ...

1)that 引导的定语从句和先行词equipment之间 可以存在 “逗号”吗?

2)我记得如果 使用关系代词which 修饰先行词的话,应该是“有逗号有which,没有逗号没有which”,而且which应该是就近修饰先行词,比如这里 我觉得应该是修饰lights (不知道我的理解对吗?),如果 such as lights是插入语的话,关系代词是不是 直接修饰such前面的 名词呢?

求NN指导!谢谢

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