月经期的正常表现除外 ()
A.恶心、呕吐
B.腹痛
C.腰骶部坠痛
D.情绪不稳定
E. * * 胀痛
参考答案:A
A: You can't play basketball here.
B: _____?
A: Look at the sign. [ ]
A. Yes
B. Where
C. Why not
D. What
动脉血PaO2的参考值是
A.80~90mmHg
B.85~95mmHg
C.95~100mmHg
D.90~95mmHg
E.95~105mmHg