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【多选题】
图书馆选座系统电脑派位有以下哪种方式?A.
读者自选（手动选座）
B.
馆员派发
C.
随机派发（自动选座）
D.
学生馆员派发
手机使用
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微信扫一扫
反馈参考答案：
举一反三
【简答题】阴离子聚合的机理特点是:
【单选题】听力原文： The International Olympic Committee is releasing an evaluation report on the five cities bidding to stage the 2012 Olympic Games. The report won't rank the cities but it is intended to guide the...
A.
financing
B.
weather
C.
transport
D.
public support
【单选题】听力原文：You know what? I've got to finish that evaluation report for the board meeting next week. A 10-page report within the week! There goes my social life this weekend. (23)
A.
I cannot finish the report in time.
B.
I hate to join in social activities this weekend.
C.
I have to work extra time over the weekend.
D.
I will not attend the board meeting next week.
【单选题】神经末梢膜上哪一种离子通道的开发与递质的释放有关
A.
电压门控K+通道
B.
电压门控Na+通道
C.
电压门控Ca2+通道
D.
ACh门控阳离子通道
E.
化学门控Na+通道
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