The following are the common characters shared by the three Bronte sisters EXCEPT（）.

兼防直接接触和间接接触电击的措施中，保证电气设备正常工作和防止触电的基本绝缘是（ ）。 A．工作绝缘 B．保护绝缘 C．双重绝缘 D．加强绝缘

A.工作绝缘
B.保护绝缘
C.双重绝缘
D.加强绝缘

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Heathcliff is a character in the novel（）.This novel shows that pure and true love in a class society is impossible of attainment.Its author is Emily Bronte. 点击查看答案