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托福写作-《时代周刊》素材20th科技进展-Household

2019-01-25 19:14 小马过河 admin

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摘要:小编今天又带来新资料了。要想考好托福,必须对于自己不足有深刻的认识,才能针对性地进行学习,提升。这样比漫无目地仓促买资料 咨询补习班好的多!小编花了不少时间整理托福写作-《时代周刊》素材20th科技进展-Household,快来下载领取吧!下面我们一起来看看: Household appliances dramatically changed the 20th century lifestyle by eliminating much of the

   小编今天又带来新资料了。要想考好托福,必须对于自己不足有深刻的认识,才能针对性地进行学习,提升。这样比漫无目地仓促买资料 咨询补习班好的多!小编花了不少时间整理托福写作-《时代周刊》素材20th科技进展-Household,快来下载领取吧!下面我们一起来看看:

  Household appliances dramatically changed the 20th century lifestyle by eliminating much of the labor of everyday tasks. Engineering innovation produced a wide variety of devices, including electric ranges, vacuum cleaners, dishwashers, and dryers. These and other products give us more free time, enable more people to work outside the home, and contribute significantly to our economy.

  The engineer's role in transforming the domestic environment throughout the century has been enormous. It began with electrification, which brought light and power into homes. The household appliances that followed in the first half of the century depended on two basic engineering innovations - resistance heating and small, efficient motors. These technologies were incorporated into devices ranging from electric stoves and heaters to vacuum cleaners and dishwashers. In the second half of the century new technologies like the magnetron and microprocessor transformed the household environment yet again, spawning new appliances with sensors, timers, and programming devices. Always, design innovations focused on making appliances lighter, smaller, more energy efficient, and more useful.

  小编特意整理的托福写作-《时代周刊》素材20th科技进展-Household,希望能给大家的备考带来更多的启发,能真正让您了解到自己的不足,转而有目的地进行查漏补缺,早日考试圆满。希望了解更专业、更有效的备考信息,请咨询在线老师,竭诚为您排忧解难!

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