2. 外语
  3. Over a very large number of trials, the probability of an event______is equal to the probability that it will not occur.

Over a very large number of trials, the probability of an event______is equal to the probability that it will not occur.

admin2020-03-30  26
问题 Over a very large number of trials, the probability of an event______is equal to the probability that it will not occur.
选项 A、occurring
B、occurred
C、occurs
D、occur
答案A
解析 分词做后置定语修饰“an event”，由于表主动，应用现在分词，而不用过去分词。因此，A项符合题意。
转载请注明原文地址:https://kaotiyun.com/show/ahTO777K
0

考博英语

相关试题推荐
随机试题
最新回复(0)