回阳救急汤除回阳救急外，还具有的功用是
A．温中补虚B．降逆止痛C．益气生脉D．养血通脉E．养血敛阴
参考答案：C
额定蒸发量10t/h的锅炉利用未受污染的地表水做水源，必须采取的水处理措施是（）。
A．锅外除碱
B．锅外除盐
C．锅外除氧
D．锅外除铁
— Excuse me, Sir, is the swimming pool open all day?
— ____. Only from 6:00 pal to 10:00 pm. [ ]
A. That's right.
B. Yes, of course
C. Sorry, I am not sure
D. Sorry, I'm afraid not
