脊椎退行性变的CT征象包括()
A.椎间盘膨出
B.椎间盘真空征和髓核钙化
C.椎旁软组织肿胀
D.韧带肥厚、钙化
E.椎体边缘及椎小关节骨质增生
参考答案:A, B, D, E
If you are _____ about Australian cities, just read the book written by Dr Johnson.
A.interested
B.anxious
C.upset
D.curious
一般手术前禁食时间为()
A.禁食4h,禁饮2h
B.禁食6h,禁饮2h
C.禁食8h,禁饮3h
D.禁食10h,禁饮3h
E.禁食12h,禁饮4h