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【判断题】
叠加原理适用于电压和电流的计算,也适用于功率计算。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】I told you that I would buy you a new car, ______.
A.
no matter how it costs
B.
however much it costs
C.
how much does it cost
D.
however does it cost much
【单选题】How much do you know about the state and development of Chinese martial arts ? ( )
A.
Nothing was known until the Nanjing Decade
B.
It had little development before the Nanjing Decade.
C.
Since the 1950s , Chinese martial arts are well-developed.
D.
The main function of Central Guoshu Institute aims to compile the survey of martial arts schools.
【单选题】In what ways can martial arts be good for you, according to the author?
A.
They make you emotionally stronger.
B.
They can help you to live longer.
C.
They give you techniques to fight your enemies.
【单选题】To become skilled in martial arts like karate requires extensive ______ and constant dedication.
A.
train
B.
trained
C.
training
D.
to train
【简答题】Martial arts
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