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问题 单项选择题

在窗体上画三个单选按钮，组成一个名为chkOption的控件数组。用于标识各个控件数组元素的参数是( )。

A．Tag

B．Index

C．Listlndex

D．Name

答案

参考答案：B

单项选择题

Questions 7 to 10 are based on the following conversation. At the end of the conversation, you will be given 20 seconds to answer the questions.
Now, listen to the conversation.

In a distance learning course, one

A．does not have to see the professors.

B．also needs to take exams.

C．reduces the learning expenses.

D．must revise the schedule to attend the course.
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问答题 简答题

良性早博的诊断依据?
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