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【单选题】
下列有关染色体、DNA、基因、脱氧核苷酸的说法,不正确的是A.
基因一定位于染色体上
B.
核基因在染色体上呈线性排列
C.
四种脱氧核苷酸的数目和排列顺序决定了基因的多样性和特异性
D.
一条染色体上含有1个或2个DNA分子
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举一反三
【单选题】Like some of my classmate, I can’t live up to my teachers’ expectations; ______, I let them down.
A.
in other words
B.
after all
C.
what’s more
D.
more or less
【简答题】I can’t find my watch. I musthave______it in the hotel. A.lost B. missed C. left D. forgotten
【单选题】Like some of my classmates, I can't live up to my teachers' expectations,___ , I let them down. [ ]
A.
in other words
B.
after all
C.
what's more
D.
more or less
【单选题】Like some of my classmates,I can’t live up to my teachers’ expectations. , I let them down. [ ]
A.
In other words
B.
After all
C.
What’s more
D.
More or less
【单选题】Like most of classmates, I can’t live up to my teachers’ expections,____, I let him down.
A.
in orther words
B.
after all
C.
what’s more
D.
more or less
【简答题】N- 连接糖基化的糖同 的自由 NH2 连接的。
【简答题】选择恰当的句子组成对话。 A. I don't know. I can ask my mum. Where do you live? B. I live in a house. C. No, it's far from school. It's near the park. D. Okay! — Can you play with me today, Jenny? — 1_____________...
【简答题】I can’t live there. They don’t allow my ________dog and I can’t live without her.
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