5,7,4,6,4,6,()
A.4
B.5
C.6
D.7
6,7,5,8,4,9,()A.5 B.10 C.3 D.4
0,2,2,5,4,7,()。 A.6 B.5 C.4 D.3
8,6,7,5,6,4,() A.6 B.5 C.4 D.3
6,7,5,8,4,9,() A.5 B.10 C.3 D.4
2,1,6/7,4/5,10/13,()。A.4/3 B.3/4 C.7/15 D.7/1
颈痛好发于()节段。A.3~4节段B.4~5节段C.5~6节段D.6~7节段