【单选题】【消耗次数：1】
产品说明书在向消费者介绍产品特点、性能、用途、使用维修方法的同时，还包含指导消费者使用和维修产品的知识，这体现了产品说明书的（）
①
说明性
②
实事求是性
③
指导性
④
形式多样性
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imagining
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carries out
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as much
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so much
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that much
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the less
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imaginable
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might well
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