题目内容

The murse in the hospital should be ____to a patient’s needs.

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The manager said Linda could work in his company,but his offer was____.

A:梁醒波
B:郑君绵
C:新马仔

If you __B_to the railway station by 3 o’clock ,you must hurry.

设随机变量X~N(3,22),且P(X>a)=P(X

A. 0
B. 2
C. 3
D. 4

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