设 A 、 B 、 C 是三个随机事件,则 A c B c C c 表示 A 、 B 、 C 都不发生 .
A.
正确
B.
错误
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参考答案:
举一反三
【单选题】Question 4. How did the president and the vice-presidents respond to the accusation?---- Passage 1 ----- The president of the University of Toulon and two top assistants were suspended Monday over acc...
A.
They confessed their unlawful activities.
B.
They denied their unlawful activities.
C.
They tried to stop the investigators from discovering the truth.