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【简答题】
The Constitution defines distinct powers for the Congress of the United States, the president, and the federal courts. This division of authority is known as a system of and , and it ensures that none of the branches of government can dominate the others.
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【简答题】Choose the correct style in English news writing. B.“Rub my shoulder. ” Miss Cawley said.C.“Rub my shoulder, ” miss Cawley said.D.“Rub my shoulder. ” miss Cawley said.A. “Take my hand, ” Miss Smith sa...
【简答题】At this time, Rainsford saw the general ____his shoulder. He was injured, but he remained standing.(rub; scratch; sc)
【单选题】关于核糖体描述不正确的是（）
A.
核糖体是由rRNA和蛋白质组成的复合体
B.
真核生物核糖体上有3个位点，分别是A位、P位和E位
C.
原核生物核糖体包含的RNA是23SrRNA、16SrRNA和5SrRNA
D.
真核生物核糖体包含的RNA是28SrRNA、18SrRNA、5.8SrRNA和5SrRNA
E.
核糖体由大、小两个亚基组成
【简答题】rub; scratch; sc Rainfford saw the general ___ his shoulder. He was injured, but he remained standing.
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