发病12小时的l岁小儿急性肠套叠,可多采用下述哪种治疗方法()
A.X线下钡灌肠复位
B.X线下气压灌肠复位
C.B超下水压灌肠复位
D.手术复位
E.继续观察
参考答案:A, B, C
—Do we have to finish writing the composition today?
—No, you ______. If you can hand them in tomorrow, it will be OK. [ ]
A. needn't
B. wouldn't
C. mustn't
D. shouldn't
加味左金丸( )
A.泄泻类药B.虚症类药C.胃痛类药D.头痛类药E.眩晕类药
下列药物属