下列关于变量的叙述中，不正确的一项是( )。A．在Visual FoxPro辛，可_爱下问搜题

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问题单项选择题

下列关于变量的叙述中，不正确的一项是( )。

A．在Visual FoxPro辛，可以将不同类型的数据赋给同一个变量

B．变量的类型决定变量值的类型

C．在Visual FoxPro中，变量分为字段变量和内存变量

D．变量值可以随时改变

答案

参考答案：B

解析：变量可分为字段变量和内存变量，内存变量是内存中的一个存储区域，变量值就是放在这个存储区域里的数据，而变量的类型即为变量值的类型。在Visual FoxPro中，变量的类型可以改变，可以把不同的类型的数据赋给同一个变量。

完形填空

Children find meanings in their old family tales.
When Stephen Guyer’s three children were growing up, he told them stories about how his grandfather, a banker,        all in the 1930s, but did not lose sight of what he valued most. In one of the darkest times when his strong-minded grandfather was nearly         , he loaded his family into the car and          them to see family members in Canada with a         , “There are more important things in life than money.”
The          took on a new meaning recently when Mr. Guyer downsized to a          house from a more expensive and comfortable one. He was          that his children, a daughter, 15, and twins, 22, would be upset. To his surprise, they weren’t. Instead, their reaction echoed (重复) their great-grandfather’s. What they          about was how warm the people were in the house and how much of their heart was accessible.
Many parents are finding family stories have surprising power to help children through           times. Storytelling experts say the phenomenon (现象) reflects a growing         in telling tales, evidenced (证明) by a rise in storytelling events and festivals.
A university          of 65 families with children aged from 14 to 16 found kids’ ability to          parents’ stories was linked to a lower rate of anger and anxiety.
The          is telling the stories in a way children can hear. We’re not talking here about the kind of story that         , “When I was a kid, I walked to school every day uphill both ways, barefoot in the snow.” Instead, we should choose a story suited (适合) to the child’s         , and make eye contact to create “a personal experience”. We don’t have to tell children what they should take from the story and what the moral is.

C．arrangement

C．disappointed

填空题

水循环的外因是（），内因是（）。