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如图：海滨公园内有甲、乙两块绿地，现准备在它们各自的周围安装

如图：海滨公园内有甲、乙两块绿地，现准备在它们各自的周围安装上防护栏，则

A．这两块绿地防护栏长度相同 B．甲块绿地所需的防护栏长

C．乙块绿地所需的防护栏长 D．无法确定

答案

A

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