电击可分为哪几类？
参考答案：
按照人体触电及带电体的方式和电流流过人体的途径，电击可分为单向触电，两相触电和跨步电压触电。
将下列字母按A-Z的顺序连线，看看能组成什么？
What's this?[ ]
A. It's a dog.
B. It's a goose.
C. It's a duck.
— What can I do for you, sir?
— I'd like to see the manager _____ of sales department. [ ]
A. in the charge
B. under charge
C. is in charge
D. in charge
