某公共汽车站从上午7时起,每隔15分钟来一趟车,一乘客在7:00到7:30之间随机到达该车站,则该乘客等候时间不超过10分钟上车的概率为____.
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相互独立的事件一定是互斥事件.
A. 对
B. 错
若事件A和B是互斥事件,则A和B是相互独立事件.
A. 对
B. 错
If Iyou, I would go by plane. Flying is much faster.
A. be
B. was
C. were
D. am
I do not think those people are really English. If they were, theyspeakwith French accents
A. don't
B. will not
C. mustn't
D. wouldn't