Survey the material first to get a sense of it: formulate some questions.

考查原始材料首先要了解它的意义：用公式解答问题。

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Utilising the cheap and plentiful coal tar that was an almost unlimited byproduct of London's gas street lighting, the dye works began producing the world's first synthetically dyed material in 1857.

煤焦油是伦敦煤气道路照明几乎无限的副产物，利用便宜量大的煤焦油，染厂于1857年开始生产世界上第一种合成染色材料。

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On June sixth,nineteen thirty-three, workers poured the first load of a building material called concrete.

VOA: special.2009.08.12

This is a course that introduces you to the New Testament literature, but also the history of other material from the very first one hundred years or so of early Christianity.

本课不仅介绍,新约文学，还会介绍其他文献的历史,可以追溯到基督教早期100年左右的时期。

耶鲁公开课 - 新约课程节选

I also want to note that the end of the material today, so this last topic here, that's the end of the material that's going to be on this first exam.

我还想告诉大家，今天这些内容结束的地方，这个最后的主题，也就是第一次考试,要考到的地方。

麻省理工公开课 - 化学原理课程节选

You can also manually control search results to display promotional material first, and monitor frequently searched words to anticipate increased product demand.

FORBES: 4 Ways To Get More From Your Website Redesign

Going from a state school to a prestigious engineering institution, he was floored on the first day when a professor expected everyone to have already learned the material in the first six chapters of an algorithms textbook.

CNN: His other car is on Mars

The material is his first since 2010, and has been appearing online via a mysterious, but apparently official, YouTube account called "3rdeyegirl".

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