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【简答题】
什么是氧化磷酸化作用?有哪些类型?呼吸链与氧化磷酸化的偶联组分是什么?偶联位点的实际功能是什么?
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皮皮学刷刷变学霸
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【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.
【单选题】The African ancestors of today's black Americans were brought to the US as slaves in the seventeenth, eighteenth, and nineteenth century. They worked on farms, especially the large farms in the southe...
A.
. African ancestors of today's black Americans.
B.
. The opposition to slavery in the United States.
C.
. Slavery in the United States.
D.
. The right of black Americans.
【简答题】我国最基层的人民政府是（ ）
【单选题】Before American civil war, slaves in the south mainly did the job of ______.
A.
manufacturing
B.
tourism
C.
handicrafts
D.
plantation
【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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