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【简答题】
既能放大电压也能放大电流的是______组态放大电路;可以放大电压,但不能放大电流的是______组态放大电路;只能放大电流,但不能放大电压的是______组态放大电路。
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A.
Angry.
B.
Frustrated.
C.
Excited.
D.
Relieved.
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A.
He has something else in mind.
B.
It's freezing outside.
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It's too dark near the beach.
D.
He has to work against a deadline.
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A.
确定一个控件在报表上的位置的属性是上边距和左边距
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在报表每一页的底部都输出信息,需要设置的区域是页面页脚
C.
要实现报表的分组统计,其操作区域是主体区域
D.
在报表设计中,可以通过添加分页符控件来控制另起一页输出显示
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【简答题】在图所示的电路里，具有虚短路的有哪些电路?具有虚地的又有哪些电路?
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