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问题
判断题
在一个串联电阻的电路中,它的总电流也就是流过某一个电阻的电流。()
答案
参考答案:对
填空题
9的平方根是( )
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选择题
—Did you enjoy yourselves at the party last night?
—Yes, we _______.
A. are
B. did
C. were
D. had a great time
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