脑挫伤不包括（） A.脑内散在出血灶 B.静脉淤血 C.脑膜血管撕裂 D.脑肿胀 E

仿照例句用所给的词汇造句。

例：she, not at home that evening, she, look after her sick child in hospital

       She wasn't at home that evening. She was looking after her sick child in hospital.

A. it, rather chilly yesterday, the sun, not shine

B. she, ill that day, she, suffer from a severe headache

C. I, not say anything, but a struggle (斗争), go on in my mind

D. We, be rather busy then, we, make preparation for the journey

混合福利结构

实验室模拟工业炼铁的装置图如下图所示．

写出一氧化碳与氧化铁反应的化学方程式______，硬质玻璃管中的现象是______，最右侧酒精灯的作用是______．

磁轭下部装有（）

A、磁轭键

B、磁轭

C、制定环

D、风闸

RIP协议引入具有毒性逆转的水平分割技术的作用是 。

A．节省网络带宽
B．防止网络中形成路由环路

C．将路由不可达信息在全网扩散
D．通知邻居路由器哪些路由是从其他处得到的