静脉注射时选择血管的标准是()
A、较粗、较直
B、避开关节
C、弹性好
D、避开静脉瓣处
E、无脂肪肌肉处
参考答案:A, B, C, D
At the meeting, only ___ people agreed with him, so he had to give up.
A.number of
B.handful of
C.numbers of
D.a handful of
试带法检查尿酮体的检测原理是()
A.Harrison法
B.亚硝基铁氰化钠法
C.Gerhardt法
D.重氮偶联反应
E.氧化法