22. Unlike most warbler species, the male and female blue-winged warbler are very difficult to tell apart. (A) Unlike most warbler species, the male and female blue-winged warbler are very difficult to tell apart. (B) Unlike most warbler species, the gender of the blue-winged warbler is very difficult to distinguish. (C) Unlike those in most warbler species, the male and female blue-winged warblers are very difficult to distinguish. (D) It is very difficult, unlike in most warbler species, to tell the male and female blue-winged warbler apart. (E) Blue-winged warblers are unlike most species of warbler in that it is very difficult to tell the male and female apart.
the key lies in the expression: it's difficult for sb to do sth not :sb is difficult to do sth "those" tends to be unclear if placed in the first clause.
以下是引用thornbirdcfa在2004-1-9 1:23:00的发言： the key lies in the expression: it's difficult for sb to do sth not :sb is difficult to do sth "those" tends to be unclear if placed in the first clause.
如果 c 中 to distinguish, 改为 to be distinguished 的话， c 对么?
如： Unlike other buildings, the trade center is difficult to build.
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 its wavelength is ... to be registered by the eye... 而 its wavelength is ... for the eye to register 也可以.
就是说，c中后半句应该是没有毛病的， 错误主要在 Unlike those in most warbler species 上， 那么 是因为 those 在句首指代不清呢，还是 Unlike those in most warbler species 与 the male and female blue-winged warblers 不平行，如果改为Unlike most warbler species 对不对呢？
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发表于 2004-1-9 00:55:00
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