已知“int *p=malloc(100);”,要释放p所指向的动态内存,正确的语句为()。
A. free(p);
B. free p;
C. free(*p);
D. free[p];
胀管器胀管时胀管器的滚柱涂以少许()润滑。
A. 煤油
B. 透平油
C. 二氧化钼
D. 牛油
某原油船卸油,船岸的商业质量没有超损,但结算量还是超损,是()原因造成超损
A. 标密
B. 温度
C. 含水率
D. 体积
Which statements are true concerning the effect of the >> and >>> operators?()
A. For non-negative values of the left operand, the >> and >>> operators will have the same effect.
B. The result of (-1 >> 1) is 0.
C. The result of (-1 >>> 1) is -1.
D. The value returned by >>> will never be negative as long as the value of the right operand is equal to or greater than 1.
E. When using the >> operator, the leftmost bit of the bit representation of the resulting value will always be the same bit value as the leftmost bit of the bit representation of the left operand.