存人银行4000元，整存整取三年，若年利率是3.96%，到期后可取回_爱下问搜题

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问题填空题

存人银行4000元，整存整取三年，若年利率是3.96%，到期后可取回本金和税后利息共（）元。（利息按5%纳税）

答案

4451.44

选择题

Both his parents look sad. Maybe they what's happened to him.[ ]

A. knew

B. have known

C. must know

D. will know

单项选择题

80×86CPU可访问的I/O地址空间有( )。

A．4GB

B．1MB

C．64KB

D．1KB