连于下位关节突、椎板、棘突上缘和上椎板下缘之间的脊柱韧带是()。
A.黄韧带
B.后纵韧带
C.前纵韧带
D.棘间韧带
E.髂腰韧带
参考答案:D
The good thing about children is that they ______ very easily to new environments.
A.attain
B.allocate
C.adapt
D.adopt
完全固定桥是指
A.双端固定桥
B.连接体均为固定连接的固定桥
C.复 固定桥
D.粘结固定桥
E.种植基牙固定桥