呼吸衰竭低氧血症伴高碳酸血症患者应用
A．高压吸氧B．酒精湿化吸氧C．间歇吸氧D．高浓度吸氧E．低流量、低浓度持续吸氧
参考答案：E
— Jim, don't play computer games anymore!
— Sorry. I do it again. [ ]
A. won't
B. couldn't
C. didn't
银行进行证券投资会面临的风险有（）。
A.信用风险
B.通胀风险
C.利率风险
D.流动性风险
