大多数新生儿可于生后多长时间出现黄疸（）
A.生后1～2d
B.生后2～3d
C.生后2～4d
D.生后2～5d
E.生后2～6d
参考答案：D
椎体的附件是指（）。
A.椎板
B.椎弓根
C.关节突
D.横突
E.棘突
—So you didn't say "hello" to him last night?
—Well, I stopped and smiled when I saw him, but he me and walked on. [ ]
A. ignored
B. refused
C. denied
D. missed
