现在有一个C类地址块192.168.19.0/24，需要将改地址块划分为9个子网，每

诊断慢性重度汞中毒应出现（）。

A.口腔牙龈炎

B.粗大震颤

C.明显肾脏损害

D.精神障碍

E.脑衰弱综合征

Passage Three

What did the Norwegian Foreign Ministry do in response to this kidnapping

A．They prepared the ransom demanded by the kidnappers so as to rescue the victims.

B．They demanded that the local Nigerian authority should be held accountable to this incident.

C．They conducted investigation so as to collect more information concerning the kidnapping.

D．They sent negotiators to talk the kidnappers into releasing the hostages.

简述微型计算机的组成部分？

公安机关人民警察内务，主要是指公安机关人民警察内部工作运转程序和( )。

A．公安民警与党委、政府发生联系的活动

B．公安民警对外发生联系的活动

C．公安民警与人大、政协发生联系的活动

D．公安民警与人大代表、政协委虽发生联系的活动

DSC检纠错编码序列（EGC）采用的是（）

A、垂直校验群计数码

B、整偶数检验码

C、群计数码

D、偶校验码