胆固醇结石与下列哪一种因素有关（）
A.胆盐和卵磷脂的比例
B.胆固醇难溶于水
C.卵磷脂浓度
D.胆盐浓度
E.血液中高钙离子浓度
参考答案：A
使用VBA的逻辑值进行算术运算时，True值被处理为( )。
A) -1 B) 0 C) 1 D) 任意值
What's the most appropriate nursing diagnosis for a client exhibiting obsessive-compulsive behavior
A．Ineffective coping.
B．Imbalanced nutrition: Less than body requirements.
C．Imbalaneed nutrition: More than body requirements.
D．Interrupted family processes.
