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【单选题】
E-R图中实体用 表示A.
线
B.
矩形
C.
菱形
D.
正方形
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参考解析：
知识点：
皮皮学刷刷变学霸
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【简答题】光敏电阻的阻值与环境温度（），光照升高光敏电阻的阻值（）。
【简答题】Why not an island get-away? Newfoundland Price From £1080 per person in June 2005 We went with: Frontier Canada frontier-travel. Co. uk/Canada About this trip John Cabot had set sail looking for a new...
【简答题】次级评价(secondary appraisal)
【简答题】初级评价(primary appraisal)
【单选题】Which of the following is not a barrier to effective appraisal?
A.
Appraisal is seen as a way of wrapping up unfinished business for the year
B.
Appraisal is seen as conforming to Human Resource procedures
C.
Appraisal is seen as an opportunity to raise workplace problems and issues
D.
Appraisal is seen as an annual event
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