题目

One of the best things you can do for your community is volunteer, but it’s necessary to understand that it comes with the same type of responsibility a paid job has. Since you promise to do something, you need to follow through.【1】Whether you’re just starting out or you’ve been volunteering for years, think of what you’re doing. Here are some things you need to do if you want to do your best:Volunteer with a good attitude. You are doing something that you really want to do. So put a smile on your face and show you want to be there.【2】Follow the rules.【3】Do your best to fol检验物体是否带电的仪器叫    ．带电体之间的相互作用是通过电荷周围的    实现的．