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【单选题】
用力F把电容器中的电介质板拉出,在图(a)和图(b)的两种情况下,电容器中储存的静电能量将
A.
都增加.
B.
都减少.
C.
(a)增加,(b)减少.
D.
(a)减少,(b)增加.
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D.
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【单选题】From the text as a whole we understand that the writer's approach to poetry______.
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【单选题】A friend of mine returned to his house after a holiday, only to find it _______.
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t o be broken into
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h ad broken into
C.
h ad been broken into
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w as broken into
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【多选题】[No.B27014K388]以下哪个符合信息化能力评价的意义( )?
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有利于规划信息化管理
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能优化配置信息资源
D.
促进信息经济的发展
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