站姿双肩负重提踵主要是用来发展以下哪块肌肉群（）
A.小腿前侧肌
B.小腿后侧肌
C.大腿前侧肌
D.大腿后侧肌
参考答案：B
---Where’s that report?
---I brought it to you ________ you were in Mr. Black’s office yesterday.
A．if
B．when
C．because
D．before
风寒感冒最宜选
A．荆防败毒散B．加减葳蕤汤C．藿香正气散D．桑杏汤E．银翘散
