我先来, 以下是引自fern的提问,和我的一些总结:
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
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