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【单选题】
把交流电变为脉动的直流电的电路是( )。A.
整流电路
B.
滤波电路
C.
稳压电路
D.
放大电路
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皮皮学刷刷变学霸
举一反三
【单选题】In our country, attendance at school is ___________ for children over six years of age.
A.
finite
B.
compulsory
C.
literal
D.
stubborn
【简答题】In the first several years, the cost level of Euro Disney ___________(超过) the revenue level although attendance level had been high.
【简答题】In our country, attendance at school is (__) for children over six years of age.
【简答题】A new report says the number of international students coming to American colleges and universities fell last year, for the 1.________ straight year. The report, from the Institute of International Ed...
【简答题】In the first several years, the cost level of Euro Disney ____________ the revenue level although attendance level had been high.(超过)
【简答题】Education (I) At one time in the history of education, one had to be wealthy to attend school. (II) At other times, women were kept from attending school, despite their standing in finances. (III) Fin...
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