prep 1-42请教对答案的解释有疑问

mia113 · 发表于 2011-7-5 15:22:57

42. (26647-!-item-!-188;#058&002738)

As a result of a supernova explosion, every human being on Earth was bombarded on February 23,

1987, by about 100 billion neutrinos; fortunately, neutrinos are harmless elementary particles that

are produced in nuclear reactions and that interact very weakly with matter.

(A) neutrinos are harmless elementary particles that are produced in nuclear reactions and that

(B) neutrinos, which are harmless, are elementary particles produced in nuclear reactions and

which

(C) neutrinos are harmless elementary particles produced in nuclear reactions and which

(D) these harmless elementary particles are produced in nuclear reactions, and neutrinos

(E) these elementary particles, harmless products of nuclear reactions, are neutrinos that
知道了要选A
但是对C项的解释不是很理解··说these没有明确指代··these这里不可以指代分号前得neutrinos么？
是不是因为句子平行，后面一个句子中的代词优先指代第一个句子里的主语即human being 不知道这个解释对不对·····

spoiledchild · 发表于 2011-7-5 15:43:40

楼主选项搞错了吧，我大概讲一下我的理解，不知道对不对。
原句意思：分号前面描述过去某个事件，分号后面阐述某个科学现象。前面过去时，后面一般现在时。
加了these就特指过去事件的那些neutrinos，一方面时态就要变化了，一方面改变了句意。

mia113 · 发表于 2011-7-5 16:43:53

谢谢LS吖··懂了哈···但是答案的确是A吖···

mongmong · 发表于 2012-5-23 20:15:09

LLS的解释真好，看来句子里有分号是如此用意。

prep 1-42请教对答案的解释有疑问

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prep 1-42请教对答案的解释有疑问