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【单选题】
如图所示,每个电容器的电容都是3μF,额定工作电压都是100V,那么整个电容器组的等效电容和额定工作电压分别是( )。
A.
4.5μF、200V
B.
4.5μF、150V
C.
2μF、150V
D.
2μF、200V
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【单选题】Are you worried by the rising crime rate? If you are, then you probably know that your house, possessions and persons are increasingly in danger of suffering from the tremendous rise in the cases of b...
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people have more possessions to worry about nowadays
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burglars are more at risk that they used to be
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【单选题】Are you worried by the rising crime rate? If you are then you probably know that your house, possessions and person are increasingly in danger of suffering from the tremendous rise in the cases of bur...
A.
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D.
homes are more likely to be broken into than before
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D.
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【单选题】If you worried______ the problem, you should do something about it.
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D.
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【单选题】主机遥控系统安全保护及紧急操纵功能一般不包括( )。
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【简答题】E Are you worried by the rising crime rate? If you are, then you probably know that your house, possessions and person are increasingly in er of suffering from the great rise in the cases of burgl...
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【单选题】Are you worried by the rising crime rate? If you are, then you probably know that your house, possessions and persons are increasingly in danger of suffering from the tremendous rise in the cases of b...
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A.
more burglars are being caught than ever before
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people have more possessions to worry about nowadays
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homes are more likely to be broken into than before
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D.
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【单选题】If you worried______ the problem, you should do something about it.
A.
with
B.
for
C.
on
D.
about
查看完整题目与答案
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