Many experts seem to agree that _______ certain limit should be set on ________ consumption of cars to ease air pollution.

A．a; the

B．/; the

C．the; /

D．the; a

培训的目的是如何培养物流员工对本企业的物流业务进行改进、改革及高效率地完成任务并使他们对工作充满信心，通过物流业务实现自己的人生价值。