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【判断题】
激励为直流源是稳态时相当于开路电感相当于短路电路等效为一电阻电路的计算A.
正确
B.
错误
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皮皮学刷刷变学霸
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【多选题】社会主义市场经济条件下税收作用表现在( )
A.
组织财政收入，保证国家实现其职能的资金需要
B.
税收是国家对经济实行宏观调控的重要经济杠杆
C.
促进社会主义市场经济体制的建立和市场机制的形成
D.
维护国家权益，促进对经济交往，有利于我国经济的发展
E.
为国家管理及企业经济提供信息，对各项经济活动实行监督
【单选题】Were the wire of a smaller diameter (直径), its resistance ________.
A.
had been increased
B.
was increased
C.
might have been increased
D.
would be increased
【简答题】Clothes 阅读下面的表格，然后回答问题。 Name Where Favourite colour Clothes Li Ping In the classroom Green and white A white shirt and a pair of blue pants Liu Ling In the library Red and blue A new blouse and a red...
【单选题】47K Ω± 1% 电阻的色环为
A.
黄 - 紫 - 黑 - 红 - 棕
B.
黄 - 紫 - 黑 - 橙 - 棕
C.
黄 - 紫 - 橙 - 金
D.
黄 - 紫 - 黑 - 红 - 祡
【简答题】阅读短文，然后回答下面的问题。 Christmas is a Western holiday. On the holiday, people don't work. Children don't go to school. People have fun together. Christmas is special. Why? Because we have Christmas trees, li...
【简答题】47K Ω±1%电阻的色环为
【简答题】阅读下面的表格，然后回答问题。 Name Where Favourite colour Clothes Li Ping In the classroom Green and white A white shirt and a pair of blue pants Liu Ling In the library Red and blue A new blouse and a red skirt Zh...
【简答题】阅读短文，然后回答后面的问题。 Today is Alice's birthday. All her friends are in her home. They're Ann, Tom and Lin Tao. Look, these presents on the table are for her. This new computer is from her father. The beaut...
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