经 * * 性前列腺切除，术中应用大量 * * 冲洗液可引起
A．高血钾症B．高血钠症C．低血钾症D．低血钠症E．高血钾或高血钠
参考答案：D
(2013·山西高三诊断)Honey, you ________ alcohol for they have stopped drinking.
A．may not have bought
B．mustn't have bought
C．can't have bought
D．needn't have bought
上消化道大出血最常见的病因是（）。
A．胃十二指肠溃疡
B．门静脉高压症
C．应激性溃疡
D．胆道出血
E．胃癌
