头部和颈部的大出血（）

A.颞浅动脉指压止血法

B.颞深动脉指压止血法

C.面动脉指压止血法

D.颈内动脉指压止血法

E.颈总动脉指压止血法

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