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【多选题】
用于编码氨基的密码子的特点有A.
3个核苷酸为一组进行编码
B.
可以有多个密码子对应一个氨基酸
C.
有部分密码子不编码氨基酸
D.
不同生物用一套相同的遗传密码
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反馈参考答案：
举一反三
【单选题】---I feel upset because I am too heavy. ---___________ do more exercise to lose some weight?
A.
Why don't
B.
Why not
C.
Why not to
D.
Why to
【单选题】Why do you _ so upset? Because I didn't get the first placr in the English competition.
A.
look
B.
sound
C.
smell
D.
feel
【多选题】下列权利中,适用诉讼时效的有
A.
某甲因某乙违反合同而享有的合同义务履行请求权
B.
王某因赵某打伤其身体而享有的侵权损害赔偿请求权
C.
甲的手表被乙无权占有后甲享有的返还财产请求权
D.
李某因无因管理而享有的对刘某的必要费用请求权
【简答题】简述国内外钢结构的发展历程及现状?
【单选题】—I feel upset because I am too heavy. — ____________ do more exercise to lose some weight?
A.
Why don ’ t
B.
Why not
C.
Why not to
【简答题】免疫共沉淀技术的工作原理是什么?
【单选题】听力原文：W: A great day, isn't it? M: I guess so. But I feel awful because I watched TV until after midnight last night. W: After midnight! Did you watch so late because you were bored? I usually watch TV...
A.
When she's bored.
B.
When there is a good program on.
C.
After midnight.
D.
After swimming.
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