电绝缘装具具有耐高电压阻燃、耐酸、耐碱等性能。
参考答案：对
商品经营者应承担的“三包”责任不包括( )。
A．包修
B．包换
C．包退
D．包调
Jackson has been out of work for a long time.So he wants to a job in this factory.
A．prepare for
B．wait for
C．care for
D．apply for
