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【简答题】
两个电容器1和2，串联以后接上电动势恒定的电源充电．在电源保持联接的情况下，若把电介质充入电容器2中，则电容器1上的电势差（）；电容器1极板上的电荷（）。
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A.
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B.
What is the disadvantage of this new technology?
C.
What is this new technology?
D.
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A.
as a result
B.
in other words
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what is more
D.
on the contrary
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