带电作业工具库房应使用排风扇保持库房空气流通，一般每10m2库房_爱下问搜题

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问题单项选择题

带电作业工具库房应使用排风扇保持库房空气流通，一般每10m2库房装一台排风量不少于（）的排风机。

A.5～10m³/h；

B.l0～20m³/h；

C.10～15m³/h；

D.15～20m³/h

答案

参考答案：B

完形填空

I have two really good friends. Nancy and Richard. They both believe in the 1 of positive thinking. However, though their personalities are 2 . They are totally different in other areas of their lives. The biggest differences are their 3 , career choices, and way of life.
Love and concern 4 Nancy’s childhood. She , along with her younger sister, was 5 by her mother and father. Nancy’ parents were 6 in her schoolwork, making her excellent at school. On the other hand, Richard’s childhood lacked love. His parents 7 him up to his grandparents when they failed to take care of him 8 . His grandmother took care of him most of his growing up years.9 , since his sister didn’t live with him, he never really got to10 her.
Another difference is their career choice. Nancy has always been a 11 and made a choice to work in a variety of different12 settings: doctor’s offices, hospitals, nursing homes and a visiting nurse. Her13 part was working with pediatrics(小儿科)。 However, Richard14 to work in the business world. He prefers to work with15rather than with people.
A third difference is their16. Nancy is always on the go. She goes to yard sales, out to eat,and enjoys nature. She is17; has five children, thirteen grandchildren, several great-grandchildren. 18, Richard likes to stay home and do things alone. He is single and has no children.
I am very 19 for the fact I have two similar yet very different friends, Nancy and Richard. This has 20 me that anyone can be positive thinker. And it is also what makes my friendship with both of them very intriguing(有趣的) and challenging.

B．exhibitions

B．independent

B．in contrast

D．acknowledged

单项选择题

在Word 2000中，表格计算功能是通过________来实现的。

A．公式

B．函数

C．计算器

D．转换