发现有人触电后应立即切断电源或用木棒（）等绝缘物品挑开触电者身上带电物品。
参考答案：橡胶制品
根据句意填写单词。
1. The box is _ . You can put your books in it.
2. I'm sorry for being late, Mr Smith. I worked too late last night and o _ this morning.
3. It's _ of you to believe him. He never tells the truth.
4. We all know that comedies always have very good and surprising e
5. On April Fool's Day we can hear many different kinds of h
胎先露
A．Chadwick征B．蒙氏结节C．HegarsignD．Braxton Hicks收缩E．乳腺增生
