货运代理，简称“货代”，是根据托运人的委托，为托运人提供服务的人，其本人并非承运人，包括NOVCC.
参考答案：错
Though she was young, she________her most time________the children in remote areas. [ ]
A. devotes; to teach
B. devoted; to teach
C. devoted; to teaching
D. is devoted; to teaching
向100 mL 0.1mol/L的AlCl3溶液中投入a g金属钠，欲使最终无沉淀生成，则a的最小值为[ ]
A．0.23g
B．0.46g
C．0.69g
D．0.92g
