2010年10月1日18时59分57秒，_______探月卫星在西昌卫星发射中心发射升空并获得了圆满成功。[ ]

A．神舟七号    

B．嫦娥一号     

C．北斗一号    

D．嫦娥二号

The primary purpose of benchmarking is to （）.

A．perform marketing research to forecast how well a particular product will sell

B．measure products, services, and processes against those of other organizations

C．understand and collect data on customer requirements to focus attention on meeting customer needs

D．determine performance targets