简述台虎钳的正确使用和维护保养？

阅读短文，选择正确答案。

       During the day we work and play; at night we sleep. Our bodies rest while we sleep. In the morning we are

ready to work and play again. While we are asleep our bodies grow most. Children usually need more sleep. We

can get our lessons better and we feel better too, when we have plenty of rest. Boys and girls need ten hours of

sleep every night when they are eight or nine years old. Our bodies need lots of air when we sleep. If we do not

get enough fresh (新鲜的) air we'll feel tired when we wake up. While in bed we must not cover our heads. If

we do, our lungs (肺) will not get enough fresh air. If we open our windows at night we can have plenty of

fresh air. Cool air is better then warm air. Boys and girls must get enough sleep if they want to grow and be

strong.

1. Our bodies grow most while we are             .[ ]

A. eating

B. playing

C. sleeping

D. waking

2. Which is the best air for us? [ ]

A. Hot air

B. Cool air

C. Warm air

D. Dry air

3. Too little sleep makes us            . [ ]

A. happy

B. hungry

C. tired

D. grow

4. How much sleep should boys and girls of nine years have every night? [ ]

A. Eight hours

B. Nine hours

C. Ten hours

D. Seven hours

5. What do the lungs need most? [ ]

A. Fresh air

B. Food

C. Rest

D. Exercise

某医院的护理部主任善于将工作分配给科护士长等管理人员，对于例行性业务按照常规措施和标准执行，她加以必要的监督和指导，只有特殊情况时她才来处理。这样她既可集中精力研究及解决全局性管理问题，又可调动下属的工作积极性。这种工作方式遵循的组织原则是（）。

A.劳动分工原则

B.统一指挥原则

C.职责与权限一致原则

D.管理宽度原则

E.例外原则

引起心源性水肿的机制是（）。

A.毛细血管通透性增高

B.淋巴液回流受阻

C.毛细血管滤过压升高

D.血浆胶体渗透压降低

E.组织液蛋白含量高

在红茶初制过程中，发酵适度的叶，其气味表现为（）。

A.青草气消失

B.带有青草气味

C.浓厚的醇香

D.清新的花果香

工程开工后，承包人应按照( )确认的进度计划组织施工。

A．项目经理
B．发包人
C．设计人
D．工程师