功能性消化不良的诊断依据不包括（）

A、有上腹痛、腹胀、早饱等不适症状，至少持续四周

B、内镜未发现胃及十二指肠溃疡、糜烂等病变

C、排除肝胆胰疾病

D、有腹部手术史

E、无糖尿病、肾脏病、精神病史

Basically, a firewall is a (145) process or a set of integrated processes that runs on a router or (146) to control the flow of networked application traffic (147) through it. Typically, firewalls are placed on the entry point to a (148) network such as the Internet. They could be considered traffic cops. The firewall’s (149) is to ensure that all communication between an organization’s network and the Internet conform to the organization’s policies.

A．mole

B．pole

C．role

D．rule