[单项选择]两个金属极板之间电容量的大小与()无关。 A. 极间距离 B. 板的面积 C. 极间介质 D. 外加电压
参考答案:D
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第1题: [单项选择]{{B}} Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. At the airport check-in. B. In a restaurant. C. In a canteen. D. In a hotel lobby. 参考答案:B 答案解析:[听力原文]
M: Two for lunch. We don’t have reservations.
W: There will be a thirty-minute wait.
Q: Wh