使用高压操作有哪些注意事项?

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问题:

使用高压操作有哪些注意事项?

考点:炼铁工考试炼铁原理炼铁原理题库
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会计档案保管期满时一般都可以直接销毁。 ( )

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Two frogs lived in a small village. One day they _小题1:_ to see what the big city was like. The city was about ten miles __小题2:__. It was a hot day, and they soon began to ___小题3:___ tired. They had only gone a little way when the big one said to the small one. “We are so tired. Is the city __小题4:__ very far? Can you see it?”

“No,” said the small frog, “but __小题5:__ I get on your back, I can see it.” Then he ___小题6:__ up on the back of the big one.

__小题7:_ the small frog put up his head, he couldn’t see very far. He could only see their village.

“Can you see the city?” asked the big frog.

“Yes, I can see it. It looks just ___小题8: our village,” answered the small frog.

Then the frogs thought that they didn’t __小题9:_ to go any farther. They went back, and told the other frogs in their village that they saw the big city and it was just like __小题10:__.

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脾肺气虚证

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以下情况可用集总参数法求解物体的瞬态加热(冷却)问题的是( )。

A.导热系数很大的物体
B.尺寸很小的物体
C.物体与流体间对流换热系数很大的物体
D.物体导热热阻很小的物体

题型:问答题 简答题

在窗体画一个名称为Command1的命令按钮,然后编写如下事件过程:
Private Sub Command1_Click()
c=1234
c1=Trim(Str(c))
For i=1 To 4
Print
Next
End Sub
程序运行后,单击命令按钮,要求在窗体上显示如下内容:
1
12
123
1234
则在下划线处应填入的内容为______。

A.Rght(c1,i)

B.Left(c1,i)

C.Mid(c1, i, 1)

D.Mid(c1, i,

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