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【简答题】
50uF/400V与100Uf/400V进行并联后相当于一个( )。 A. ．150uF/400V B.75uF/400V C.150uF/800V D.25uF/400V
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举一反三
【单选题】How did the Black slaves on the ranches in Texas differ from those on the plantations in the old South?
A.
They cut cotton.
B.
They escaped from slavery.
C.
They were mostly cowboys.
D.
They were riders.
【简答题】Radical Republicans in Congress, however, denounced the plan for being too ________on the South and for not securing any rights for the freed slaves.
【简答题】在我国，最基层的人民政府是（）
【简答题】我国最基层的人民政府是（ ）
【单选题】Cheap labor (scarcity was) in the cotton plantations (of the) American South, and (slaves) became (standard) practice.
A.
scarcity
B.
of the
C.
slaves
D.
standard
【简答题】控制着 的接触器,故 的启、停由其控制,当 压力≤0.75MPa,启动;当此压力≥0.9MPa时,则停机。
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