法定准备金率上升会导致商业银行扩张信用货币的能力( )A．提_爱下问搜题

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问题单项选择题

法定准备金率上升会导致商业银行扩张信用货币的能力( )

A．提高

B．降低

C．不变

D．无限大

答案

参考答案：B

选择题

It was ______the boy said he almost never did any exercise in the school______ the mother began to worry about his health.

A．what; that

B．that; how

C．when; that

D．that; that

问答题简答题

简要阐述波分复用传输系统。