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. Probability is the mathematical study of the _____ of an event’s occurrence.
A.desireB.likelihoodC.resultD.effect
B
考查名词辨析。句意“概率是研究一件事发生的可能性的数学方法。”A“渴望”;B“可能性”;C“结果”;D“影响”。故选B。
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