Don’t use words ,expressions or phrases __________ only to people with

specific knowledge.

A．being known

B．to be known

C．known

D．having been known

根据所要解决的问题不同，商品流通企业的战略可分为( )。

A．公司战略

B．成本领先战略

C．经营战略

D．差别化战略

E．职能战略