班轮运输的特点可以用五个字来概括：“四定一负责”，下列不属于“四定”的是（）
A.航线固定
B.停靠港口固定
C.船舶固
D.运费率固定
参考答案：C
They were making a plan to help those students _____, which attracted me.
A．in brief
B．in public
C．in action
D．in need
温经散寒、养血通脉功效的方剂是
A．补阳还五汤B．阳和汤C．当归四逆汤D．黄芪桂枝五物汤E．小活络丹
