. Probability is the mathematical study of the _____ of an event’s occurrence.
A．desireB．likelihoodC．resultD．effect
B
考查名詞辨析。句意“概率是研究一件事發(fā)生的可能性的數(shù)學(xué)方法�！盇“渴望”；B“可能性”；C“結(jié)果”；D“影響”。故選B。
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