题目内容

24

A. It is an important element of a good marriage.
B. It denies any disagreement or dispute.
C. It leaves a mark in your memory
D. It helps to forget previous confliets.

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25

A. When they fail to make compromises in disputes.
B. When they need time to rest
C. When they would like to recall good times
D. When they have a dispute

金属电导主要为()

A. 自由电子
B. 正离子
C. 负离子

电介质()是绝缘预防性试验的理论依据。

A. 极化
B. 电导
C. 损耗

玻璃、陶瓷是()性介质

A. 亲水
B. 憎水

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