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单项选择一题Overaverylargenumberoftrials,theprobabilityofaneventisequaltotheprobabilitythatitwillnotoccur.1.occurring2.tooccur3.occurs4.occuroccurring和tooccur该选哪个?偶也觉得是tooccur,偏偏答案给个oc

题目详情
单项选择一题
Over a very large number of trials,the probability of an event___ is equal to the probability that it will not occur.
1.occurring 2.to occur
3.occurs 4.occur
occurring和to occur该选哪个?
偶也觉得是to occur,偏偏答案给个occurring,出自二级笔译真题,
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答案和解析
翻译结果:
经过大量的试验,一个事件发生的概率等于它不发生的概率
to occur含有将要发生的、即将发生的含义;
而occurring含有正在进行之中的含义,不合题意,题目中的事件是可能将发生的,不是现在进行的.
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