【单选题】都会は危険だと言われているが、ここは夜遅く一人で歩かない限り、 。
【单选题】不同职系之间,职责的繁简难易、轻重大小及任职条件要求相似的所有职位的集合称为( )。
【单选题】大都会は危険だと言われているが、ここは夜遅く一人で歩かない限り、___。
【判断题】对称三相电动势是指幅值相等、频率相同、相位相同的三个电动势。( )
【单选题】大都会は危険だと言われているが、ここは夜遅く一人で歩かないかぎり、___。
【判断题】对称三相电动势的特征是:三个电动势的幅值相等,频率相同,相位互差120°。( )
【单选题】The first date failed because ______.
B.
the banker was a sexist
C.
the author was not ideal for the banker
D.
the author felt she was not worthy of the banker
【简答题】对称三相电动势是指三个电动势的幅值相等、频率相同,相位互差()°;任意时刻三相感应电动势之和为()
【简答题】A.The weather was a little bit cold. B.The weather was a little bit warm. C.The weather was favorable. D.The weather was disappointing.
【简答题】A.The man was an honest man. B.The man was a tricky man. C.The man was a bad man. D.The man was not good or bad.