理想的清除试验是()
A.Na清除试验
B.BUN清除试验
C.葡萄糖清除试验
D.内生肌酐清除试验
E.菊粉清除试验
参考答案:E
He planned __________ the work before Wednesday but failed.[ ]
A. to finish
B. finishing
C. finished
镇痛作用是吗啡的1.2万倍的镇痛药物
A.喷他佐辛B.纳洛酮C.哌替啶D.可乐定E.二氢埃托啡