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    Our factory has been developing rapidly these days． This year’s production is five times ______ it was ten years ago．

    A. what B. that C. which D.as

    A

    【解析】

    试题分析：考查倍数的表达。倍数的表达方法：主语+be+倍数+ what+---。句意：目前我们工厂一直发展很快。今年的产品是十年前的十倍。故选A。

    考点：考查倍数的表达。

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