【摘 要】
：
原理说明式看图作文属科普说明文，常介绍工程和机械的运转流程，理解难度和写作难度都较大。要想写好原理说明式看图作文应注意下列几点： 一、 认真读图，了解原理 请先看下面一篇书面表达实例： 根据下列图示，简要说明植物光合作用的基本原理。再从环保的角度阐述植树造林的重要性。词数：100左右。 参考词汇：光合作用photosynthesis;二氧化碳carbon dioxide;叶绿素chloro
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原理说明式看图作文属科普说明文，常介绍工程和机械的运转流程，理解难度和写作难度都较大。要想写好原理说明式看图作文应注意下列几点： 一、 认真读图，了解原理 请先看下面一篇书面表达实例： 根据下列图示，简要说明植物光合作用的基本原理。再从环保的角度阐述植树造林的重要性。词数：100左右。 参考词汇：光合作用photosynthesis;二氧化碳carbon dioxide;叶绿素chloro
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