急性化脓性骨髓炎的骨质X线平片表现,在发病何时可出现()
A.2周后
B.即刻
C.2周
D.以上都不是
E.2周内
参考答案:A
I can't say which wine is best-it's a(n)________of personal taste. [ ]
A. affair
B. event
C. matter
D. variety
先天性肛门直肠畸形最常见的合并畸形是()
A.会阴部畸形
B.泌尿生殖系畸形
C.小肠闭锁
D.先天性胆道闭锁
E.先天性巨结肠