托福阅读长难句21天训练营Day(1).docx

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1、长难句解析21天训练营Dayl1. Only the last of these was suited at all to the continuous operating ofmachines, and although water power abounded in Lancashire andScotland and ran grain mills as well as textile mills, it had one greatdisadvantage: Streams flowed where nature intended them to and water-driven fac

2、tories had to be located on their banks whether or not thelocation was desirable for other reasons.2. Early in the century, a pump had come into use in which expandingsteam raised a pistonC舌塞）in a cylinder。气缸），and atmospheric pressurebrought it down again when the steam condensed inside the cylinder

3、 toform a vacuum .3. The final step came when steam was introduced into the cylinder todrive the piston backward as well as forward thereby increasing the speedof the engine and cutting its fuel consumption.4. Coal gas rivaled smoky oil lamps and flickering candles, and early in thenew century, well-to-do Londoners grow accustomed to gaslights houses