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P72 习题三 30 30. 已知如下真值表,试求该逻辑函数的表达式: Y= Σ m ( ) 要求:所填数字请从小到大排列,且使用英文标点,否则系统会错判。 A B C Y 0 0 0 1 0 0 1 1 0 1 0 0 0 1 1 0 1 0 0 1 1 0 1 1 1 1 0 0 1 1 1 1
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【简答题】阅读理解。 Once Effendi had a joke with the Prime Minister (). He said that the Minister would die the next day. The next day, the Minister fell to the ground from the horse and really died. When the kin...
【单选题】交流接触器的额定工作电压和电流是指其主触点的电压电流（）。
A.
它应等于被控电路的额定电压和额定也流
B.
它应等于或大于被控电路的额定电压和额定电流
C.
它应大于被控电路额定电压和额定电流的一倍以上
D.
它应大于被控电路额定电压和额定屯流的两倍以上
【简答题】More about Steve Jobs Steve Jobs used to say: "I was worth about over a million dollars when I was 23 and over ten million dollars when I was 24, and over a hundred million dollars when I was 25 and ....
【单选题】交流接触器的额定工作电压和电流是指主触点的电压电流（）。
A.
它应等于被控电路的额定电压和额定电流
B.
它应等于或大于被控电路的额定电压和额定电流
C.
它应大于被控电路的额定电压和额定电流的一倍以上
【判断题】Similarly metallic character increases from left to right across the periodic table because atomic size decreases and ionization energy increases.
A.
正确
B.
错误
【简答题】A.generation B.mention C.memory D.metallic
【简答题】什么是化痰止咳平喘药?
【单选题】交流接触器的额定工作电压和电流是指其主触点的电压电流,( )
A.
它应等于被控电路的额定电压和额定电流
B.
它应等于或大于被控电路的额定电压和额定电流
C.
它应大于被控电路额定电压和额定电流的一倍以上
D.
它应大于被控电路额定电压和额定电流的两倍以上
【单选题】Yao Ming said that______.
A.
it was hard to watch NBA games on TV
B.
playing in the NBA was difficult
C.
he was an NBA star
D.
it was boring to play basketball
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