下列处理对预防休克肺有效的是()。
A.吸入100%纯氧
B.输血时使用滤过器
C.净化呼吸道
D.输血、输液量控制适当
E.用容量型呼吸机行机控呼吸
参考答案:B, C, D, E
—Jim, I'm afraid I can't go to your party tonight. My grandma is ill.
—______. [ ]
A. I'm sorry to hear that
B. That's all right
C. She has to stay in bad
D. Don't worry
有两块外表都涂有白漆,质量相等的实心铜块和铁块(两者都系有细线),如何用一只盛满水的烧杯鉴别哪一块是铜,哪一块是铁?(简要说明主要实验步骤、依据和结论)