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问题 单项选择题

假设某表单的Visible属性的初值为．F．，能将其设置为．T．的方法是( )。

A．Hide

B．Show

C．Release

D．SetFocus

答案

参考答案：B

解析：【解析】表单的Show方法：显示表单，将表单的Visible属性设置为．T．，并使表单成为活动对象。表单的Hide方法：隐藏表单，将表单的Visible属性设置为．F．。表单的Release方法：将表单从内存中释放(清除)。SetFoeus方法是针对表单的控件的。

阅读理解

阅读理解。

     I usually get up late (晚) on Saturdays and Sundays. I have my breakfast at around nine o'clock. I

like eggs and an apple for breakfast. I often go to see my uncles after breakfast. They're very fun. Uncle

Jim is a runner. He runs for eight hours every day. I like to run with him because it's really interesting. But

I often run with him for only one hour. I'm usually very tired after that. Uncle Bob is a movie star. He's

really busy. It's very difficult for me to see him on weekends. Uncle Bill is an English teacher. I like him,

and I like English, too.

1. When do I have breakfast on weekends?

A. At eight.      

B. In the afternoon  

C. At around nine.    

D. At around seven.

2. Uncle Bob is ________.

A. a runner        

B. a clerk        

C. strict          

D. busy

3. I often _______ on Saturdays and Sundays.

A. get up at six    

B. play soccer

C. watch TV    

D. go to see my uncles

4. Who is a teacher?

A. My father.      

B. My mother.    

C. Uncle Bill.    

D. Aunt Lily.

5. I like _______ for breakfast.

A. eggs and apples  

B. eggs and milk  

C. milk and apples  

D. bread and milk
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单项选择题

决定职业病危害因素对人体健康影响的主要有接触水平与( )。

A．接触环境
B．接触时间
C．接触地点
D．接触范围
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