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问题 单项选择题

下面关于报表对数据的处理中叙述正确的是（ ）。

A．报表只能输入数据

B．报表只能输出数据

C．报表可以输入和输出数据

D．报表不能输入和输出数据

答案

参考答案：B

解析：报表主要用于对数据库中的数据进行分组、计算、汇总和打印输出，只可以输出数据。

填空题

Here is my idea about how a friend is like. Firstly, 61.______a friend is someone you can share your secrets. If you 62.______tell him a secret, never will he talks about it with anybody 63.______else. Besides, a friend is always good listener when you 64.______need one. After hear your sad stories, he will say some 65.______words that is nice and warm. Still, your happiness makes 66.______him happily, too. What’s more, a good friend is willing to 67.______offer the help to which you need, or can at least give you 68.______some advices. In a word, friends are those you like and 69.______trust, and you will enjoy every minute that you spent with 70.______them.

66().
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问答题 简答题

简述威力巴的测量原理。
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