91.
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The spectacular disintegration of a comet last year in full view of ground- and space-based telescopes provided new insights into how comets form and may thus force a rethinking of the role of comets in the delivery of organic compounds to the evolving Earth.
(A) The spectacular disintegration of a comet last year in full view of ground- and space-based telescopes provided new insights into how comets form and may thus force
B 为什么不平行啊? 我看平行的呀
(B) The spectacular disintegration of a comet last year in full view of ground- as well as space-based telescopes, provided new insights into how comets form and thus possibly forcing
(C) When a comet's spectacular disintegration occurred in full view of ground- and space-based telescopes last year, it provided new insights into how comets form and thus may possibly force
(D) Last year, in full view of ground- and space-based telescopes, a comet's spectacular disintegration provided new insights into how comets form and thus possibly forcing
(E) Last year, in full view of ground- as well as space-based telescopes, the spectacular disintegration of a comet has provided new insights into how comets form and may thus force
A. 正确。
B. 逗号将句子主谓隔开，错误；possibly forcing和provided不平行
C. When＋瞬间动词occurred表示事件发生的那一具体的时点，也就是说，C选项表示，当disintegration发生的瞬间，它提供了新的insight并引发了重新思考；其他时候，disintegration就起不到引发思考的作用。因此，这个选项在逻辑含义上不好。A表达的意思是disintegration这件事提供了新的内涵，并且引发了新的思考，显然是更通顺、更符合逻辑的选项；may和possibly语义重复
D. possibly forcing和provided不平行。In full view位于句子的主谓前面，修饰整个句子。具体来说，在这个选项里就是修饰谓语动词provided and may thus possibly forcing。这样完全改变了原句的意思，逻辑含义也不合理：disintegration在望远镜全景里提供了新的内涵、引发了新的思考。
E. in full view修饰对象错误，同D选项。
为什么不平行???
-ed分词表被动,-ing分词表主动.二者使用时可以并列.
但使用时注意向前修饰是否有歧义,修饰表达的逻辑含义是否合理,特别是逻辑主语是否合理.
你仔细分析一下B,看其是否应该并列,不能只是形式上的并列,更重要的是含义要并列,且这种并列表达含义清晰准确,合乎逻辑.
建议你仔细完整的研习一下谈毅等前辈著的PREP破解版语法笔记,并及时总结符合自己灵活运用的原则方法.(当然其中有个别地方我认为是有问题值得推敲的,但这些不影响你的研习,且你自己会加以鉴别.)
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