速断保护的动作电流按躲过保护线路末端在最大运行方式下的（）电流整定。
A、最大负荷
B、末端最大短路
C、最小负荷
D、末端最小短路
参考答案：B
根据句意和词首字母完成句中所缺的英语单词。
1. E______ me, may I use your pen?
2. 一What c______ is it? 一It's red.
3. These questions are very d______.
4. My name is Sandra Clark, Sandra is my f______ name.
5. 一Is the gird your d______? 一Yes, I'm her mother.
6. Your u______ is your father or mother's brother.
7. Look! My m______ book is On the table.
松键装配在键长方向、键与()的间隙是0.1mm。
A、轴槽
B、槽底
C、轮毂
D、轴和毂槽
