侧路穿刺进入蛛网膜下隙所遇到的惟一韧带是()
A.棘上韧带
B.棘间韧带
C.黄韧带
D.后纵韧带
E.前纵韧带
参考答案:C
Most disaster experts believe there is the potential ______ things could get a lot worse.
A.what
B. where
C.which
D.that
硅酸盐矿物的基本构造