BSC的时钟参考源可以为()时钟、()时钟、或()时钟。
参考答案:MSC;BITS;GPS
He took off his coat, _____ all his pockets, but couldn’t find his key.
A.searched
B.searching
C.to search
D.searches
围手术期有重度营养不良的患者,以及由于各种原因导致连续5~10天以上无法经口摄食达到营养需要量的患者,应给的营养支持方式为()。
A.静脉营养
B.经口少量进食
C.胃造瘘
D.空肠造瘘
E.直肠营养