下焦病症的病理实质是（）
A.肾阳虚
B.肝阴虚
C.心阴虚
D.肝肾阴虚
E.心肾阳虚
参考答案：D
"Please __________why you're so late," said his girlfriend.
A．excuse
B．explain
C．apologize
D．tell
下列哪项不是气厥虚证的临床表现（）
A.气息微弱
B.突然昏仆
C.肢冷汗出
D.牙关紧闭
E.脉沉微细
