下肢的浅静脉有（）
A.胫前静脉
B.贵要静脉
C.腘静脉
D.大隐静脉
E.股静脉
参考答案：D
Such people _______ knew Tom thought he was something of a musician.
A．who
B．that
C．as
D．whom
素质教育的三要素是：全面性、（）、主动性。
