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【简答题】
对检索结果数量比较少的 可以进行( )如: 进行同义词、同义的相关词、缩写、全称等查询; 利用系统的助检功能; 利用系统的助检功能;利用论文的参考文献等扩展检索。 对检索结果过多的,可以( ),如:选用细分的 次主题,选用更专指的语词, 次主题,指定字段检索等提高查准率。 检索就是不断( )的过程。 。
拍照语音搜题，微信中搜索"皮皮学"使用
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举一反三
【单选题】It would be_________ for me. I really don't want to lose the chance. [ ]
A.
good experience
B.
good experiences
C.
a good experience
D.
the good experience
【单选题】听力原文：Thank you for your concern, but I really don't want any dessert. Just bring me my check, please. My driver is waiting outside. (25)
A.
The speaker is asked to check his bag.
B.
The speaker is about to finish his dinner.
C.
The speaker doesn't want to go to the desert any more.
D.
The speaker asks his driver to wait outside.
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