小关节面综合征的CT征象应除外()
A.关节腔真空征
B.关节囊钙化
C.关节突增生并骨赘形成
D.关节面下囊性变
E.椎弓峡部崩裂
参考答案:E
It's difficult for such a girl to swim ________ the river. [ ]
A. cross
B. across
C. crossing
D. crossed
生理功能表现为气血互用关系的两脏是:()
A.心与肺
B.肝与肾
C.肺与脾
D.脾与肝
E.肺与肝