下列哪项与粘结力形成无关?()
A.静电吸引力
B.压缩力
C.分子间作用力
D.化学键力
E.机械力
参考答案:B
根据句意和汉语注释,写出单词的正确形式。
1. Children's Day is my _____ day of a year. (特别喜爱的)
2. Let's go to the new _____ to have a big dinner. (餐馆)
3. Different _____ can bring people different fun.(业余爱好)
4. Doing morning _____ helps us get ready for the day. (早锻炼)
5. The music _____ great! (听起来)
设备在正常运行时,断路器跳闸的原因有哪些?如何处理?