单项选择题

A．2kg.
B．5kg.
C．2.5kg.
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单项选择题
A．Five.B．Four.C．Three.
A．Five.
B．Four.
C．Three.
单项选择题
A．They are all silver colored.B．They are not all silver colored.C．The one-cent piece is silver colored.
A．They are all silver colored.
B．They are not all silver colored.
C．The one-cent piece is silver colored.
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