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[Sentence Correction]
试题详情
题目：
Navigators have known for thousands of years that the ocean has variable currents, but it is only in the last half century that a reasonably clear picture has emerged of the patterns and causes of ocean currents.
选项:
A、a reasonably clear picture has emerged of the patterns and causes of ocean currents
B、a reasonably clear picture of the patterns of ocean currents and their causes have emerged
C、a reasonably clear picture emerged of ocean currents, their patterns and the causes of them
D、there have emerged a reasonably clear picture of the patterns of ocean currents and what caused them
E、there had emerged a reasonably clear picture of the patterns of ocean currents and their causes
答案:
A
提问：
那A选项中causes of ocean currents是什么成分呢？cause作为动词不是直接加名词就行？如果这部分是整个名词那前面连的主语是but后面的it吗？那为什么又有and呢？如果跟在emerge后面不是更奇怪？
解答：
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提问：
当时就剩A和E，排除A的原因是觉得无法理解 has emerged of the patterns而确实觉得E语义比较通顺
解答：
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提问：
排除了CDE
感觉AB都不错
不知道选哪个
解答：
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提问：
一开始杀掉BCD 剩下AE 没读太懂AE在讲什么.. 就选了E.. 如果在考场上有压力的时候.. 怎么能够读懂且比出正确的答案呢?
解答：
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