57. In astronomy the term "red shift" denotes the extent to which light from a distant galaxy has been shifted toward the red, or long-wave, end of the light spectrum by the rapid motion of the galaxy away from the Earth.
(A) to which light from a distant galaxy has been shifted
(B) to which light from a distant galaxy has shifted
(C) that light from a distant galaxy has been shifted
(D) of light from a distant galaxy shifting
(E) of the shift of light from a distant galaxy
看过讨论57题的帖子后觉得结构问题解决了，但我还想提出两个对你们来说很浅的问题，第一这里为什么用完成时？第二 是说denotes the extent to which light from a distant galaxy has been shifted toward the red 在这里has been shifted toward the red不会是修饰galaxy吗？在这里不存在就近问题吗？请不吝赐教
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57. In astronomy the term "red shift" denotes the extent to which light from a distant galaxy has been shifted toward the red, or long-wave, end of the light spectrum by the rapid motion of the galaxy away from the Earth.
(A) to which light from a distant galaxy has been shifted
(B) to which light from a distant galaxy has shifted
(C) that light from a distant galaxy has been shifted
(D) of light from a distant galaxy shifting
(E) of the shift of light from a distant galaxy
看过讨论57题的帖子后觉得结构问题解决了，但我还想提出两个对你们来说很浅的问题，第一这里为什么用完成时？第二 是说denotes the extent to which light from a distant galaxy has been shifted toward the red 在这里has been shifted toward the red不会是修饰galaxy吗？在这里不存在就近问题吗？请不吝赐教
一、用完成时是说明“红移”是一个结果，就是一个已经完成的动作，而不是一个进行中的状态，当然这个我也在知道正确答案后得出来的，做题的时候其实时态并没有造成什么障碍啊，其他错误比这个明显得多，当然lz这种打破沙锅问到底的精神是很值得赞赏的。
二、这个不可能是修饰galaxy的，用语修饰的无非有两种，一个是定语，也就是一个不成句的短语或单词，或前置，或后置，另外一个就是从句，那么请lz自己看一下，has been shifted toward the red符不符合这两个类型呢？显然不符合嘛，所以就不是修饰galaxy的咯
谢谢silviaqiu，解释的太清楚了！
还有roric的帮顶！
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