选择题:In the common interest of protecting the nature, a

题目内容:
In the common interest of protecting the nature, a lot of governments have been united to abolish the ____pollution caused by chemical industry.(poison)
参考答案:

一台微机的型号中含有 486、586、PII、PIII 等文字,其含义是指(  )

一台微机的型号中含有 486、586、PII、PIII 等文字,其含义是指(  )A 内存储器的容量B 硬盘的容量C 显示器的规格D CPU的型号

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