This piece of cake is _____ larger than that one.[ ]
A. bit
B. few
C. a bit
D. a few
答案:C
腰4~5椎间盘突出通常压迫的神经根是()
A.腰3
B.腰4
C.腰5
D.骶1
E.骶2
女性,65岁,因胃癌入院,准备行胃大部切除术。患者曾有输血过敏史,现准备术中用血时,最好选用
A.输全血B.输浓缩红细胞C.洗涤红细胞D.少白细胞的红细胞E.血浆