把冰水混合物拿进﹣6℃的冰柜里,冰的质量不断增加的过程中,冰水混合物的温度将 [ ]
A.保持不变
B.温度降低
C.温度上升
D.上述三种情况都可能
答案:A
A virtual memory system has five virtual pages numbered zero through four and three page frames. All the page frames are initially empty. How many page faults are generated with the following access sequence using a FIFO replacement policy ( ) 0 1 2 3 0 1 4 0 1 2 3 4
A.8
B.9
C.10
D.7
灶心土的作用不包括
A.补脾益肺
B.温中和胃
C.止血
D.止呕
E.涩肠止泻