固定资产按类、项、目、节划分为四个层级。
参考答案：错
看图对话。
Li Ming: ___________ is in my classroom?
Jenny: ___________ have a look!
Li Ming: Look! I ___________ Ms Zhang and my friends.
Jenny: We are ___________.
Li Ming: We are in the ___________.
未累及患者的用药差错属于
A．A级差错B．B级差错C．C级差错D．D级差错E．Ⅰ级差错
