结直肠癌根治术属于()
A.择期手术
B.限期手术
C.急诊手术
D.诊断性手术
E.姑息性手术
参考答案:B
—_____did he hiccup?
—He hiccupped for 36 years and 3 months. [ ]
A. How long
B. How soon
C. How often
属于贫铁食物的是()
A.大豆
B.干果
C.牛奶
D.蛋黄
E.肝脏