题目内容
1.The report aims to explain how these conclusions ______.( )| A. | were reached | B. | had been reached | ||
| C. | have reached | D. | had reached |
分析 这篇报告旨在于解释这些结论是如何做出来的.
解答 答案:A
本句实际考查的是固定搭配reach the conclusion得出结论.根据句意"这些结论是如何做出来的"可知conclusions与reach之间为被动关系,该使用被动语态,排除CD项,B项为过去完成时的被动语态,在上下文中没有出现过去的过去的含义.而得出结论是已经发生的事情,故A正确.
点评 对于句子的时态题要分清句子发生的具体时间,以及句子的主语与动词之间的逻辑关系.We won't start the work until all the preparations have been made.直到所有的准备工作都做好以后,我们才开始工作.
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