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[Sentence Correction]
试题详情
题目：
Using the mirrors left on the lunar surface by the Apollo missions, mirrors
allowing the Earth –Moon distance to be measured precisely by lasers, it
has been determined by scientists that the moon is moving from the Earth
at the almost imperceptible rate of three to four centimeters per year .
选项:
A、allowing the Earth -Moon distance to be measured precisely by lasers it has been determined by scientists that the moon is moving
B、allowing that the Earth-moon distance can be measured precisely lasers, scientists have been able to determine that the moon is moving
C、that allow the Earth-Moon distance to be measured precisely by lasers ,scientists have been able to determine that the moon is moving away
D、that allow for the Earth-Moon distance to be measured precisely by lasers ,it was determined by scientists that the Moon is moving away
E、that allow that the Earth-Moon distance can be measured precisely by lasers , scientists were able to determine that the moon is moving away
答案:
C
提问：
在CE中纠结，错选了E，想请老师分析C选项错在哪里了，我听到答疑里老师说that allow that这个表达太诡异了，想问下除了这里这个句子还有别的问题吗？我看到C和E后半句时态不一致，不知道这个可以作为一个差一点来杀选项吗？
解答：
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提问：
在CE中纠结，错选了E，想请老师分析C选项错在哪里了，我听到答疑里老师说that allow that这个表达太诡异了，想问下除了这里这个句子还有别的问题吗？我看到C和E后半句时态不一致，不知道这个可以作为一个差一点来杀选项吗？
解答：
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阅读2728
提问：
我感觉BCE都没有明显的错误， B后边没有away， 但是不能判断为错误； C和E中， C中有have done， E中有用were able to， 倾向于E， 另外，allow to be 和allow that判断不出优劣， 所以选的E
请老师指点错误
还有一个题外的问题， 怎么从做题步骤上提高sc的速度， 并且能够平衡语法原则和语义原则？ 平时怎么做？
解答：
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提问：
B为什么不行
解答：
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