OG 14 老题新问，希望NN们能给个解释，准备2战的苦逼跪求

bobdog159 · 发表于 2012-5-3 17:07:14

14. Sunspots, vortices of gasassociated with strong electromagnetic activity, are visible as dark spots on the surface of the Sun but have never been sighted on the Sun's poles or equator.
(A) are visible as dark spots on thesurface of the Sun but have never been sighted on
(B) are visible as dark spots thatnever have been sighted on the surface of the Sun
(C） appear on the surface of the Sun as dark spots although never sighted at
(D) appear as dark spots on the surfaceof the Sun, although never having been sighted at
(E) appear as dark spots on the Sun'ssurface, which have never been sighted on

CD选项中although是否一定加完整句？官方解释说少了主语且没有动词，那也就是说although要加完整句，但verbal分册中36题正确答案Although eradicated in the US, polop continues ……中although后面加的不是完整句，所以不清楚什么时候加完整句什么时候不加完整句。
另外，E选项which是否有修饰歧义？which应该是可以跳跃修饰的，在A 介词 B，which中which是修饰A的，应该不会有歧义，但是OG解释说awkard and unclear

曲比欣 · 发表于 2012-5-16 08:24:52

帮顶~~

sally77589 · 发表于 2012-5-16 16:54:20

although必须加完整的句子结构，但是如果是主系表结构，可以省略主语和be动词，，当然还要apply to subject

哈贼泥 · 发表于 2012-5-28 13:45:37

。。。。。。。。。。你要2战。。。。。。。。。。。你不是吧= =！！！！！！！！！！！

bob9603 · 发表于 2012-7-8 17:28:01

同问

OG 14 老题新问，希望NN们能给个解释，准备2战的苦逼跪求

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