肝性昏迷见于（） A．蒜臭 B．粪臭 C．尿臭 D．肝臭 E．烂苹果味

致病菌中最大的细菌是（）。

A.炭疽杆菌

B.产气荚膜梭菌

C.肉毒梭菌

D.枯草杆菌

E.破伤风梭菌

进展期大肠癌的肉眼形态不包括（）

A.息肉型

B.扁平隆起型

C.溃疡型

D.浸润型

E.胶样型

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．dependent

B．isolated

C．related

D．standalone

某企业生产经营地点在县城，2014年3月企业实际缴纳增值税10万元，则该月企业应纳城市维护建设税为（）元。

A.1000

B.3000

C.5000

D.7000

通常气动阀门的空气压力范围应为（）MPa。

A.0.2~0.4

B.0.6~0.8

C.0.2~0.8

D.1.0~1.8