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【单选题】
正常血钾浓度是A.
5 、 5~6 、 5 mmol/L
B.
3 、 5~5 、 5 mmol/L
C.
3 、 5~4 、 5 mmol/L
D.
4 、 0~6 、 0 mmol/L
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反馈参考答案：
举一反三
【单选题】听力原文：W: What a great day, don't you think? M: I guess so. I hadn't noticed it. I feel awful because I watched television until after midnight last night. W: After midnight! Did you watch so late becau...
A.
After midnight.
B.
After she goes swimming.
C.
When she is idle.
D.
When there is a good program on.
【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
【简答题】简述国内外钢结构的发展历程及现状?
【单选题】— Why do you so upset? — Because I didn't get the first place in the English competition.
A.
look
B.
sound
C.
smell
D.
feel
【简答题】免疫共沉淀技术的工作原理是什么
【单选题】亲和层析法人工纯化抗体和免疫共沉淀等技术利用的是IgG的哪一结构域的特性：
A.
其Fc段与SPA或SPG结合
B.
其CH2与C1q结合
C.
其Fab段与SPA或SPG结合
D.
其CH4与FC受体结合
【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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