动作电位产生过程中,膜内电位由负变正称为() A.极化 B.去极化 C.复极化 D.

题型:单项选择题 B型题

问题:

动作电位产生过程中,膜内电位由负变正称为()

A.极化

B.去极化

C.复极化

D.超极化

E.反极化

考点:康复医学治疗技术(主管技师)康复主管技师基础知识(综合练习)康复主管技师基础知识(综合练习)题库
题型:单项选择题 B型题

阅读理解。

     One day a very rich family went on a trip to the countryside. The father wanted to show his son how

poor people lived, so they spent a day and a night on the farm of a very poor family.

     When they got back from their trip, the father asked his son,"My dear son, how was the trip?""Very good,

dad!""Did you see how poor people lived?" the father asked."Yeah!" "And what did you learn?" The son

answered,"We have a dog at home, and they have four. We have a pool that is in the middle of the garden and

they have a river that has no end. We have very expensive lamps in the garden and they have the stars."

     When the little boy finished, his father was speechless.

1. How long was their trip to the countryside?

A. About 12 hours.

B. About 24 hours.

C. Less than 12 hours.

D. About 48 hours.

2. The father wanted to show his son _______.

A. how rich their family was

B. how poor their family was

C. how the poor people lived

D. where the poor lived

3. The word "speechless" means _______.

A. 毫无兴趣的

B. 寡言少语的

C. 胸无点墨的

D. 无话可说的

题型:单项选择题 B型题

企业级风险管理信息系统一般采用()结构。

A.B/S

B.A/S

C.B/L

D.A/L

题型:单项选择题 B型题

Cisco PIX 525防火墙能够进行口令恢复操作的模式是______。

A.特权模式
B.非特权模式
C.监视模式
D.配置模式

题型:单项选择题 B型题

智能导师系统

题型:单项选择题 B型题

项目章程最少应该:()

A、描述项目经理和职能经理的职责和权利

B、探讨项目的风险和限制以及针对这些问题的计划

C、指定项目的组织结构

D、说明执行组织的商业目标

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