—How much did your new car ____ you?
—¥800 000. [ ]
A. spend
B. pay
C. cost
D. take
答案:C
降低输血过敏反应发生率的措施是
A.严格清洗、消毒采血和输血用具B.选用洗涤红细胞C.选用一次性输血器D.采用无热源技术配制保存液E.减慢输血速度
腰椎间盘突出症患者的趾跖屈肌力减弱或消失,提示受压的神经根最可能是()
A.骶1
B.腰5
C.腰4
D.腰3
E.腰2