Nobody came to see me while I was out, _____
A. did they
B. didn't they
C. did she
D. didn't she
计算机系统中,创建的进程数量受到制约的主要因素是______。
A. 内存大小
B. 终端数目
C. 打开文件数
D. 处理机数量
若已知一个栈的入栈序列是1,2,3,…n,其输出序列为p1,p2,p3,…pn,若p1=n,则pi是______。
A. i
B. n-i
C. n-i+1
D. 不确定
Try some of this tobacco. You will say it's______.
A. second to none
B. the second to none
C. best of none
D. the best of none