This article summarizes the common ways of guessing the word meanings according to transliteration, general knowledge, word-building and context clues, etc.

文中概述了阅读理解中常用的猜测生词词义的方法，包括根据词音猜词、普通常识猜词、利用构词法猜词和利用上下文关系猜词。

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This paper introduces general knowledge of drilling well, common failures of drilling well, and diving operation of drilling well.

本文介绍了钻孔井一般情况，钻孔井的常见故障及钻孔井潜水作业。

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This article mainly introduces the general prevent principle of physical injury about tennis, and knowledge of common physical injury about type, name, symptom, prevent and therapy etc.

本文主要介绍网球运动损伤的一般预防原则、常见运动损伤的种类、名称、症状、预防和治疗等。

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