【单选题】下面这段程序执行以后,j的大小是 unsigned char j=0xbc; j=j<<2;< /div>
【单选题】政府培训计划和最低工资的增加分别会( )。
【单选题】下面这段程序执行以后,j的大小是 unsigned char j=0xfa; j= ~j ;
【判断题】命令 ipconfig/release 的作用是释放本计算机与网络的连接。( )
【单选题】My brother has a healthy living habit. He stays up late, and he is an early bird. A. usually B. hardly C. often D. always