作业帮求助一道语法题over a very large number of trails,the probability of
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求助一道语法题
over a very large number of trails,the probability of an event_____is equal to the probability that it will not occur.
A.occuring B.to occur C.occurs D.occur
我第一遍选的是B,因为觉得事件是在未来的时间发生的,因此选了不定式,可答案错了,求语法帝指教~
我是根据后面的it will not occur 推出是将来发生，因此选的不定式，求解释清楚B为什么不对~
over a very large number of trails,the probability of an event_____is equal to the probability that it will not occur.
A.occuring B.to occur C.occurs D.occur
我第一遍选的是B,因为觉得事件是在未来的时间发生的,因此选了不定式,可答案错了,求语法帝指教~
我是根据后面的it will not occur 推出是将来发生，因此选的不定式，求解释清楚B为什么不对~
我们先分析一下句子：
1、over a very large number of trails是状语从句,暂不考虑；
2、后面的句子主干为A is equal to B.
A：the possibility of an event （occur）
B：the possibility that it will not occur
由于一个句子只能是一个谓语,即is,故A和B都是非谓语成分；排除C和D选项.
A和B两个成分简单来看都是一个词the possibility,只不过A是of短语修饰the possibility,B是that引导的名词性从句.事件确实是现在没有发生,不过这里描述的是一般性事实,应该选择A occuring.
翻译汉语为：事情发生的可能性和不发生的可能性是一样的.
1、over a very large number of trails是状语从句,暂不考虑；
2、后面的句子主干为A is equal to B.
A：the possibility of an event （occur）
B：the possibility that it will not occur
由于一个句子只能是一个谓语,即is,故A和B都是非谓语成分；排除C和D选项.
A和B两个成分简单来看都是一个词the possibility,只不过A是of短语修饰the possibility,B是that引导的名词性从句.事件确实是现在没有发生,不过这里描述的是一般性事实,应该选择A occuring.
翻译汉语为：事情发生的可能性和不发生的可能性是一样的.
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