药物经济学的服务对象包括

A．医生

B．患者

C．医疗保险公司

D．政府管理部门

E．医疗服务的供方

The primary function(s) of an automatic sprinkler system is(are) to（）.

A.extinguish the fire which triggers it

B.limit the spread of fire and control the amount of heat produced

C.protect people in the areas which have sprinkler heads

D.alert the crew to the fire