不是左心衰竭表现的是()
A.劳力性呼吸困难
B.头晕、乏力
C.咳嗽、咳痰
D.少尿
E.腹胀、恶心、呕吐
参考答案:E
—Do you know ________, Mike?
—On May 12th, 2008 [ ]
A. when the earthquake took place in Wen Chuan
B. when did the earthquake take place in Wen Chuan
C. when the earthquake will take place in Wen Chuan
HP一125M型柱塞泵的柱塞直径为()。
A.40mm
B.20mm
C.27mm
D.37mm