Section_ⅣOther_Parts_of_the_Module

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　　The Industrial Revolution

　　In Europe, in the second half of the eighteenth century, there was an important change in society. This change was called the "Industrial Revolution". Until then① Europe had been a farming society. With the Industrial Revolution, factories appeared② and mass③ production④ became possible for the first time⑤. The factories were built in towns and as a result⑥， the population of towns and cities greatly increased.

　　These changes became possible because of⑦ inventions⑧ such as the steam engine.This was invented in 1769 by James Watt and was the main⑨ energy source during the Industrial Revolution. At first⑩ the steam engine was used in mines, but it was soon used in factories and on the railways.

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　　①until then 直到那时

　　②appear vi.出现，露面

　　不用于被动语态。

　　③mass n．大量

　　a mass of/masses of 很多，许多

　　④production n．生产；产量

　　⑤for the first time 为介词短语，意为"第一次"。

　　the first time 是名词词组，可作连词用，引导时间状语从句。

　　⑥as a result 结果

　　as a result of 由于，后接宾语。

　　⑦because of 由于，其后接名词、代词、动名词等。

　　because conj.因为，其后接从句。

⑧invention n．发明；创造