新生儿复苏时下列哪种药物不可应用()
A.碳酸氢钠
B.肾上腺素
C.呼吸兴奋药
D.5%葡萄糖生理盐水
E.纳洛酮
参考答案:C
–Do you know Anna’s telephone number?
–____. As a matter of fact, I don’t know any Anna, either.
A.I think so
B.I’m afraid not
C.I hope so
D.I’d rather not
已知f(xy,x+y)=x2+y2,。