题目内容

The father used to enjoy good health.

A. 对
B. 错

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The father tried some tuna when his daughter encouraged him to.

A. 对
B. 错

The father became happy when he ate some eel.

A. 对
B. 错

10.4-0C1 和 C2 两空气电容器串联起来接上电源充电,保持电源联接,再把一电介质板插入 C1 中,则

A. C1上电势差减小,C2上电量增大；
B. C1上电势差减小,C2上电量不变；
C1上电势差增大,C2上电量减小；
D. C1上电势差增大,C2上电量不变.

make it