小壶滴管内液面自行下降的原因是( )。
A.茂菲滴管内有漏气B.病人肢体位置不当C.压力过大D.输液管管径粗E.输液速度过快
参考答案:A
解析:[知识点] 静脉输液故障排除法
Mike is often absent from class.” “Tell him he _________ answer for it if he goes on behaving like that.”
A.shall
B.will
C.would
D.can
顺铣是批指铣刀的旋转方向与工件进给方向()。