哪个对?

lkl4008 · 发表于 2006-3-19 00:23:00

Sunspots, vortices of gas associated with strong electromagnetic activity, are visible as dark spots on surface of the Sun but have never been sighted on the Sun's poles or equator.

(A) are visible as dark spots on the surface of the Sun but have never been sighted on

(B) are visible as dark spots that never have been sighted on the surface of the Sun

(C) appear on the surface of the Sun as darkspots although never sighted at

(D) appear as dark spots on the surface of the Sun, although never having been sighted at

(E) appear as dark spots on the Sun's surface, which have never been sighted on

刘振民语法精解说 C 对,

可我觉得A 对,大家怎么看?

yaoyao99 · 发表于 2006-3-19 04:55:00

This question is in the OG, the 11th edition.  They picked A as well.  Here's their explaination:

The correct parallel structure in the original sentence emphasizes the contrast between where sunspots are found (a visible... Sun) and where they are not (have never been signted... equator).  Sunspots is the subject of the sentence, are is the verb of the first part of the contrast and have been signted is the verb of the second.  (The adjective visible is a complement and is parallel to the past participle signted.)  Both parts of the sentence conclude with phrases indicating location.  The contrast itself is indicated by the conjunction but.

A. Correct.  This sentence claearly and correctly draws a contrast between where sunspots are found and where they are not.
B. Changing the modifying clause so that that never... Sun distorts the meaning of the sentence; the contrast is lost.
C. Although typically introduces a subordinate clause, which has a subject and a verb, but here there is no subject and sighted is not a complete verb.
D. Although usually introduces a subordinate clause, but there is no subject of the clause and having been signted is not a complete verb.
E. The relative pronoun which should immediately fllow its referent; here which illogically follows surface, and its intended referent, either sunspots, or dark spots, becomes unclear.

Hope that helps, =)

lkl4008 · 发表于 2006-3-20 00:42:00

many thanks,i got it

哪个对?

哪个对?

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