因争用资源产生死锁的必要条件是互斥、循环等待、不可抢占和(26)；“银行家算法”是一种(27)技术。
(54)

______Jenny．_______name is Tom．（）

A．I’m；My 
B．Her；My 
C．I’m；His 
D．She’s；Her

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A．It's very good.B．It should be higher.C．It's the same as the post office pays.D．It varies according to the person's experience.

A.It's
B.
B．It
C.
C．It's
D.
D．It
E.

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