题目内容

变更编号不影响P[i]中保存的位置值及调用关系

A. 对
B. 错

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2.1.4 Which of the following might contribute to classroom noise ?

A. Cooling system in the classroom.
B. Current teaching methods.
C. Organization of desks in the classroom.
D. Poor classroom acoustics.
E. There is no noise in the classroom.

2.1.4 Can hearing impairment (障碍)affect one’s verbal communication?

A. No, there are no connections between them.
B. Yes, auditory function deficit can affect one’s development of speech.
C. It’s hard to say.

观察某呼叫台一个昼夜接到的呼叫次数,设事件A表示“一个昼夜接到的呼叫次数小于2次”,则样本空间Ω=__________,事件A=__________(请写集合)

对目标进行射击,击中后便停止射击,观察射击的次数,事件A表示“射击次数不超过3次”,则样本空间Ω=__________,事件A=__________

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