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【单选题】
隔离开关只能用来接通或断开（）电流电路。A.
无通路
B.
异常
C.
正常负荷
D.
无负荷
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反馈参考答案：
举一反三
【单选题】The golden gate bridge is the landmark of ( )
A.
Seattle
B.
San Francisco
C.
Los Angles
D.
New York
【单选题】Which one is the landmark of Paris?
A.
The Great wall
B.
The Big Ben
C.
The Statue of Liberty
D.
The Le Louvre Museum
【单选题】London’s landmarks are some of the most recognizable in the world. Which of the following is NOT a landmark of London?
A.
The Tower of London
B.
London Bridge
C.
Big Ben
D.
Louvre Museum
【单选题】Which of the following poems is a landmark in English poetry?
A.
Lyrical Ballads by William Wordsworth and Samuel Taylor Coleridge
B.
I Wandered Lonely as a Cloud” by William Wordsworth
C.
Remorse ” by Samuel Taylor Coleridge
D.
Leaves of Grass by Walt Whitman
【简答题】论述以农业民俗的基本内容为例论述物质生产民俗的基本特征。
【单选题】一只额定值为 200V/60W 的灯泡接于电压 u=220sin(314t+30 ° )V 的电源上工作,消耗的功率
A.
大于 60W
B.
小于 60W
C.
等于 60W
D.
无法确定
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