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【单选题】
,50岁。十二指肠溃疡30年,上腹部隐痛1年,近一个月又出现呕吐并逐渐加剧,呕吐隔夜宿食,精神状态差,消瘦明显,皮肤弹性差,贫血貌,经胃镜检查确诊为十二指肠溃疡并发幽门梗阻,将于近日择期行胃大部切除术。 特殊的术前准备是()A.
术前禁食禁水
B.
术前1~2日进流质
C.
术前3日起每晚生理盐水洗胃
D.
术前晚肥皂水灌肠
E.
术日晨插胃管
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皮皮学刷刷变学霸
举一反三
【单选题】Years have passed. I find mother has________.
A.
a little white hair
B.
much white hair
C.
some white hair
D.
a few white hairs
【单选题】Two years has passed since I ______you the first time．
A.
meet
B.
have met
C.
met
D.
had met
【单选题】Though nine years have passed,I still remember_________to Mr.Li during my visit there.
A.
introducing
B.
being introduced
C.
to be introduced
D.
Introduced
【单选题】Fifteen years have passed since we graduated from the middle school.I have found she has______.
A.
some white hair
B.
much white hair
C.
a few white hairs
D.
a little white hair
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