下列各数中,最接近100的是[ ]
A.76
B.67
C.91
答案:C
The talk between the two leaders was aimed at ending the long of war between the two countries. [ ]
A. sense
B. state
C. case
D. condition
死锁的4个必要条件是 【9】 、占用并等待资源、不可抢夺资源和循环等待资源。