市售漏电保护器绝大多数都是剩余电流型漏电保护器。
参考答案：对
表面类白色或淡红棕色，光洁，隐约可见横长皮孔及纵皱纹
A．麦冬B．白芍C．防己D．甘草E．人参
It is your own fault you are so tired. You oughtn’t to have stayed up so late.
A．when
B．how
C．where
D．why
