崩解剂()
A、羧甲基淀粉钠
B、硬脂酸镁
C、乳糖
D、羟丙基甲基纤维素
E、水
参考答案:A
— I came here by taxi and the driver _____ me 50 yuan.
— Really? You _____ by bus.[ ]
A. paid; should come
B. cost; should have come
C. charged; ought to have come
D. spent; ought to come
在计算机系统指令系统中,真正必须的指令数较少,其他指令是为提高计算机速度、提高编程灵活性而设计的。