禁止()以上的货车(搬家等特殊情况除外)、大型客车以及载有易燃、易爆、剧毒、放射性等危险品的车辆进入管理区域。
A.3.5t
B.2.t
C.2.5t
D.4.5t
参考答案:C
妈妈对我很严厉,______这错了______那不对,每天都批评我。
A.不是……而是……
B.不是……就是……
C.既然……那么……
D.即使……也……
Computer systems consist of two very different types of elements: Hardware, which includes all the physical things that can be touched and ______, which tells the hardware how to do.
A.Operating system
B.I/O devices
C.Courseware
D.Software