急性胃炎频繁呕吐，首先应观察
A．体温
B．呕吐物性质及量
C．意识状态
D．呼吸变化
E．皮肤出血点
参考答案：B
I wanted to help those homeless children in the Big Earthquake,
_______ I donated my pocket money that I had saved for two months.[ ]
A. so
B. because
C. since
无论外感或内伤咳嗽均属何脏受病（）。
A.肺
B.肝
C.肾
D.脾
