ffice" />OG-234. The physical structure of the human eye enables it to sense light of wavelengths up to 0.0005 millimeters; infrared radiation, however, is invisible because its wavelength—0.1 millimeters—is too long to be registered by the eye.
(A) infrared radiation, however, is invisible because its wavelength—0.1 millimeters—is too long to be registered by the eye
(B) however, the wavelength of infrared radiation—0.1 millimeters—is too long to be registered by the eye making it invisible
(C) infrared radiation, however, is invisible because its wavelength—0.1 millimeters—is too long for the eye to register it
(D) however, because the wavelength of infrared radiation is 0.1 millimeters, it is too long for the eye to register and thus invisible（A）
(E) however, infrared radiation has a wavelength of 0.1 millimeters that is too long for the eye to register, thus making it invisible
代词.非划线部分的enables it to sense的IT指什么呢,应该是EYE吧,可是代词不是不可以指代修饰成分中的名词吗, The physical structure of the human eye中的EYE应该是修饰成分吧?
个人观点：it指代eye肯定没错，没听说代词不可以指代修饰成分中的名词的说法，请大家指点
此处有个关于代词的总结：ETS允许同一代词的主格和物主形式指代不同的对象(its it)
这个句子里，it指代eye，its指代infrared radiation's
类似的例子可见：大全366
366. In an effort to reduce their inventories, Italian vintners have cut prices; their wines have been priced to sell, and they are.
(C) are priced to sell, and they do
我也听说代词不可以指代修饰成分中的名词，比如 文中出现 Mike's bike 的话， 就不能用he 来指代Mike了；我在第一次看这题时也产生和fern一样的疑问。是不是用of引导的修饰成分中的名词不在此例，或者"代词不可以指代修饰成分中的名词的说法"根本就不成立？
另：能否解释一下366？题的意思也不明白。谢谢。
此处有个关于代词的总结：ETS允许同一代词的主格和物主形式指代不同的对象(its it)
这个句子里，it指代eye，its指代infrared radiation's
类似的例子可见：大全366
(A) infrared radiation, however, is invisible because its wavelength—0.1 millimeters—is too long to be registered by the eye
(B) however, the wavelength of infrared radiation—0.1 millimeters—is too long to be registered by the eye making it invisible
(C) infrared radiation, however, is invisible because its wavelength—0.1 millimeters—is too long for the eye to register it
(D) however, because the wavelength of infrared radiation is 0.1 millimeters, it is too long for the eye to register and thus invisible
(E) however, infrared radiation has a wavelength of 0.1 millimeters that is too long for the eye to register, thus making it invisible
the key: A。这里的it就指代the human eye。
另一例：og227
227. Judicial rules in many states require that the identities of all prosecution witnesses are made known to defendants so they can attempt to rebut the testimony, but the Constitution explicitly requires only that the defendant have the opportunity to confront an accuser in court. (A) that the identities of all prosecution witnesses are made known to defendants so they can attempt to rebut (B) that the identities of all prosecution witnesses be made known to defendants so that they can attempt to rebut (C) that the defendants should know the identities of all prosecution witnesses so they can attempt a rebuttal of (D) the identities of all prosecution witnesses should be made known to defendants so they can attempt rebutting (E) making known to defendants the identities of all prosecution witnesses so that they can attempt to rebut the key:B。 看og解释： Choices C and E awkwardly place the plural noun witnesses between the plural pronoun they and its referent, defendants. 说明这个they完全可以指代witnesses。 再来一例： OG:90 90. Since 1986, when the Department of Labor began to allow investment officers’ fees to be based on how the funds they manage perform, several corporations began paying their investment advisers a small basic fee, with a contract promising higher fees if the managers perform well. (A) investment officers’ fees to be based on how the funds they manage perform, several corporations began (B) investment officers’ fees to be based on the performance of the funds they manage, several corporations began (C) that fees of investment officers be based on how the funds they manage perform, several corporations have begun (D) fees of investment officers to be based on the performance of the funds they manage, several corporations have begun (E) that investment officers’ fees be based on the performance of the funds they manage, several corporations began the key: D。D中的they指代investment officers。 欢迎指正！
OG-248 By offering lower prices and a menu of personal communications options, such as caller identification and voice mail, the new telecommunications company has not only captured customers from other phone companies but also forced them to offer competitive prices.
(B) has not only captured customers from other phone companies, but it also forced them
(C) has not only captured customers from other phone companies but also forced these companies
不讨论B中but it also 的问题。 OG中提到C中them 的指代问题。认为指代不明。因为前面有from other phone companies, 这个them好像可以指代other companies, 但是ETS不这么认为！个人认为是这条题目平行原则起了更重要的作用。not only capture the customers.......... but also force them...... 这里优先指代customers. 这就解释了21题中为什么可以不用重复power station 的原因。
关于重复原有名词，我认为本身并没有什么错误，即使是没有指代不明的情况下重复。比如：horns 的那题，主要是因为表示目的一定要用to do, 把visit 和see 并列起来，歪曲了愿意。
12. The Olympic Games helped to keep peace among the pugnacious states of the Greek world in that a sacred truce was proclaimed during the festival’s month.fficeffice" />
(A) world in that a sacred truce was proclaimed during the festival’s month
(B) world, proclaiming a sacred truce during the festival’s month
(C) world when they proclaimed a sacred truce for the festival month
(D) world, for a sacred truce was proclaimed during the month of the festival
(E) world by proclamation of a sacred truce that was for the month of the festival wordy.
the key is C. 但是"they" 前面有两个复数Olympic Games and pugnacious states。如果根据从句优先代主句主语的原则，they 好像应该代Olympic Games, 可是意思上又说不通，因为games 不能proclaim.
我一直在想，为什么这条题目中，优先原则不起作用了？个人认为可能是就近原则compete with it. 一般来讲，从句放在主句前面还是后面并不是很重要。可是本题不行，只能放在后面。
When they proclaimed a sacred truce for the festival month，the Olympic Games helped to keep peace among the pugnacious states of the Greek world. 这个句子就有问题了，they 不受任何其他名词影响，只能代the olympic games.
这可能就是代词难的地方，受多条原则影响，而且你很难说那条原则优先于那条原则。
其实就这条题目，我对C中的when 是怎么看也不顺眼。when 表示的是一种时间上的关系。感觉本题表达的是一种因果关系。因为这些states 在此期间proclaim sacred truce, 所以奥运会才起到了某种作用。（当.....， 奥运会起到了某种作用，感觉就是不爽。）
The rules that govern political contributions are less stringent in local elections than they are in national elections because local elections typically involve smaller amounts of money and present less opportunity for abuse。这样就解决了cz的问题
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