应首选的治疗方法为

A．阿托品静脉注射

B．异丙肾上腺静脉注射

C．氨茶碱口服

D．安置临时起搏器

E．安置永久起搏器

Scope change control MUST be integrated with all of the following control processes EXCEPT ______ .

A．schedule

B．cost

C．procurement

D．quality