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2013中考作文練習題四:對手_550字
中考作文預測

        材料一:1998年夏天,上海一電腦公司懸賞一百萬元,招募電腦高手作為自己的對手,對該公司所研制的信息&ldquo;防火墻&rdquo;系統進行攻擊。經過幾次攻守較量之后,該系統的防盜能力大大提高。質量的提高,贏得了客戶,為公司帶來豐厚收益。   材料二:科學家發現,鯊魚在近千萬年的歷    (共 704 字)     [閱讀本文] >>

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