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【简答题】
A.DnaA B.DnaB C.DnaC D.SSB 原核生物复制中辨认起始点的蛋白质是( ) 原核生物复制中,起稳定已解开DNA单链作用的蛋白质是( ) 具有催化RNA引物生成作用的蛋白质是( )
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【简答题】减减七和弦的构成:根音与三音构成______三度,三音与五音构成______三度,五音与七音构成_______三度。
【简答题】You are really very kind. I’llnever forget the you have done to me. A.favour B. deed C.help D. good
【简答题】When I was young, I really doubted whether there was love between my parents. Every day they were busy earning money so that they could 41 the high tuition my brother and I needed. They didn’t 42 in t...
【单选题】A: You look very nice in your new dress today. B: Oh, really? I _________ it when it was on sale.
A.
buy
B.
bought
C.
have bought
D.
will buy
【单选题】—I think it’s very dangerous to drive six hours without a rest. —I agree. Six hours really a very long time.
A.
has
B.
is
C.
were
D.
am
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