在金蝶K/3系统中，增加计量单位时不需要先增加计量单位组，可直接增加计量单位。
参考答案：对
简述幼儿攻击性行为的特点。
His failure in the exam suggested that he ______ the teacher's instructions.[ ]
A. can't have followed
B. needn't have followed
C. mustn't have followed
D. shouldn't have followed
