下列哪项是TIA病人常用护理诊断（）
A.躯体移动障碍
B.言语沟通障碍
C.知识缺乏
D.潜在并发症：褥疮
E.潜在并发症：肺炎
参考答案：C
The book is borrowed from the library, so you ______ your children put dots and lines here and there.
A．should have left
B．ought not to have let
C．needn't have let
D．mustn't have let
对2个以上样本平均值进行比较时使用（）分析手法
