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  3. Watt’s steam engine soon showed what it could do. It liberated industry from

Watt’s steam engine soon showed what it could do. It liberated industry from

游客2025-02-05  44
问题     Watt’s steam engine soon showed what it could do. It liberated industry from dependence on running water. The engine eliminated water in the mines by driving efficient pumps, which made possible deeper and deeper mining. The ready availability of coal inspired William Murdoch during the 1790s to develop the first new form of nighttime illumination to be discovered in a millennium and a half. Coal gas rivaled smoky oil lamps and flickering candles, and early in the new century, well-to-do Londoners grew accustomed to gaslit houses and even streets. Iron manufacturers, which had starved for fuel while depending on charcoal, also benefited from ever-increasing supplies of coal; blast furnaces with steam-powered bellows turned out more iron and steel for the new machinery. Steam became the motive force of the Industrial Revolution, as coal and iron ore were the raw materials. [br] In paragraph 3, the author mentions William Murdoch’s invention of a new form of nighttime illumination in order to
选项 A、indicate one of the important developments made possible by the introduction of Watt’s steam engine
B、make the point that Watt’s steam engine was not the only invention of importance to the Industrial Revolution
C、illustrate how important coal was as a raw material for the Industrial Revolution
D、provide an example of another eighteenth-century invention that used steam as a power source
答案 A
解析
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