以下提供若干组考题，每组考题共用在考题前列出的A、B、C、D、E五个备选答案。请从中选择一个与问题关系最密切的答案，某个备选答案可能被选择一次、多次或不被选择。

以静息电位为准，膜内电位负值增大的称为

A．去极化
B．复极化
C．超极化
D．极化
E．超射

Mr Cooper wanted to buy the house and he told me that      the house cost, it would be      it.

A．however; worth

B．whatever; worth

C．how much; worthy

D．what; worthy of