只有可以带来( )的货币才能称为资本。
A．经济价值B．资金借贷C．剩余价值D．利用价值
参考答案：C
—Will you please _________ it to me on Friday?
—What about next Monday? My computer doesn’t work well these days.[ ]
A. post
B. bring
C. email
D. give
借助可控硅将（）电变换为（）电的过程称为逆变。
