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For anyinformation system to serve its purpose ,the ihformation must be( )when it ìs needed.

Aintegral

Bavailab1e

Cirreplaceable

Dconfidential

正确答案:A (备注:此答案有误)

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  • 单选题

    For anyinformation system to serve its purpose ,the ihformation must be( )when it ìs needed.

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