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SAT写作素材之“发明创造”,你知道冰箱是谁发明的吗?

2018年03月28日18:00 来源:小站整理
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摘要:本文为大家带来5则SAT写作经典素材,主题是关于“发明和创造”,描述了一些贴近生活的发明,比如:我们现在离不开的无线通讯传输、电视、冰箱等。当作SAT课外阅读补充的材料也不错哦。

下面我们就一起来看看SAT写作素材吧,上次为大家介绍了一下蒸汽机、T型车,那么这次可是贴近生活的一些发明。希望宝宝们能够灵活运用。

SAT写作素材之“发明创造”,你知道冰箱是谁发明的吗?图1

SAT写作素材之一:Wireless transmission of a signal 无线电传输

On December 12, 1901,Guglielmo Marconi transmitted the Morse code letter "s" across theAtlantic from Cornwall, England, to St. John's, Newfoundland. Thisdemonstration of wireless transmission eventually paved the way for today'scomplex global (and interglobal) communications, including radio, radar, andeven signals from other planets.

SAT写作素材之二:First public demonstration of television 公开电视

On January 26, 1926, JohnLogie Baird displayed television for the first time in public at a departmentstore in London. This was the first major step in the advancement of televisionsince Paul Nipkow received a patent on his proposal for a mechanical televisionsystem in 1883. By 1993, there were 215 million television sets in the UnitedStates alone.

SAT写作素材之三:Silicon chip 硅晶片

After ENIAC, the firstcomputer, was invented in 1946, researchers sought a more practical way toperform highly complex calculations. In 1947, three engineers (John Bardeen,William Shockley, and Walter Brattain) demonstrated that it was possible toselectively control the flow of electricity through silicon. This discovery ledto the creation of microprocessors and has since paved the way for today'shigh-speed, efficient computers.

SAT写作素材之四:Flush toilet 抽水马桶

British nobleman JohnHarington devised the first flushing "water closet," which featured awooden seat with a cistern and a valve for flushing. However, it wasn't untilthe nineteenth century when extensive sewage systems were introduced, that theflush toilet became as popular as the outhouse, the chamber pot, and thesecluded tree.

SAT写作素材之五:Refrigerator 冰箱

Modern refrigeration wasinvented by Jacob Perkins, a Massachusetts native residing in London. Perkins'spatented machine closely resembles today's refrigerator: a compressed fluid -ether for Perkins, Freon for us - evaporates to cool goods, then re-condenses.Today, fewer than one percent of American homes lack this cool convenience.

以上就是小站为大家整理的SAT写作素材,希望能够帮助到大家。小站会一直陪在大家身边,备考SAT的宝宝们加油哦~

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