It _____ six years since his grandfather died.[ ]
A. is
B. was
C. had been
D. will be
答案:A
通道结束工作向CPU发中断后,CPU从哪里得到有关通道的状态信息
A.CAW
B.CSW
C.CCW
D.PSW
奠定位萨里的医学地位的文献()。
A.《希波克拉底誓言》
B.《赫尔辛基宣言》
C.《夏威夷宣言》
D.《纽伦堡法典》
E.《人体构造》