证见形寒肢冷，心悸怔忡，唇甲青紫，舌苔白滑，脉沉微，属（）。
A.脾肾阳虚
B.心阳虚
C.脾阳虚
D.肾阳虚
E.心肾阳虚
参考答案：E
________of recent political developments, he was taken by surprise upon his arrival in the capital.
A．Unexpected
B．Unacquainted
C．Unaware
D．Unknowing
大气粒子状态污染物质有（）。
A.硫酸烟雾
B.氯化氢
C.二氧化氮
D.硫化氢气
