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【判断题】
( )叠加时要注意电压和电流的参考方向。以原电路中电压和电流的参考方向为准,各电源单独作用产生的分电压和分电流的参考方向与其相同正号,反之取负号。A.
正确
B.
错误
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举一反三
【简答题】Monica did not have time to go to the concert last night because she was _____________(忙着准备她的考试).
【单选题】Why did Beryl decide to take the job-share arrangement?
A.
She needs money to pay for her children's tuition.
B.
She is afraid of depression and losing self-esteem.
C.
She loves her job and the factory.
D.
She believes her luck will not change.
【简答题】Answer the following questions according to the video: What happened to Monica's real mom? How old was Monica when her dad met Taylor? What's Taylor's son's name? How old was he when they moved in wit...
【单选题】Why does Monica rarely buy newspapers?
A.
She hates unfolding the newspaper.
B.
She finds news reports in the paper outdated.
C.
She has awareness for environmental protection.
D.
She is busy with her work.
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