在Visual Basic应用程序中，以下正确的描述是( )。
A．过程的定义可以嵌套，但过程的调用不能嵌套
B．过程的定义不可以嵌套，但过程的调用可以嵌套
C．过程的定义和过程的调用均可以嵌套
D．过程的定义和过程的调用均不能嵌套
参考答案：B
解析： 本题考查过程。一般在VB中使用自定义的过程，主要有Sub子过程和Function函数过程，所有的过程可以嵌套调用，但不可以嵌套定义。
Doing exercise can help people keep healthy. Do you often jog(慢跑)? Jogging became popular about twenty years ago and now it is a favorite way of keeping fit for lots of people. People of any age like to do it. Children can jog and old people can jog, too. They can jog anywhere. People jog around college(大学), around houses, and in parks. Jogging doesn’t need any training. Do some warm-up exercises(热身练习) and then you are ready to start. Jogging is good for health. It is good for lungs and the heart. It is easy and convenient(方便的). 根据短文内容，完成下面的表格。（每空词数不限）
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