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SAT官方每日一题附答案和解析[写作](2019年8月28日)

来源:可可英语 编辑:max    |  可可官方微信:ikekenet

Writing & Language

To show how a common desk fan cools a person, Rhett Allain, a physics professor and writer for Wired magazine, performed a simple experiment. He wet a paper towel with warm water and wrapped it around a thermometer. Allain wrapped a second thermometer in a dry paper towel, and then he set both thermometers in front of a fan. Initially the fan was turned off. The temperature of the thermometer wrapped in the wet paper towel decreased -- at first rapidly, then more slowly -- eventually dropped below room temperature. After the fan was turned on, the temperature of the wet thermometer underwent another rapid decrease. By contrast, the temperature of the thermometer wrapped in the dry paper towel barely changed during the entire experiment. This experiment demonstrated the power of evaporation to cool wet objects, such as a sweaty person, and the role of a fan in making evaporation more effective.

A.NO CHANGE
B.but eventually dropping
C.yet eventually dropping
D.and eventually dropped

重点单词   查看全部解释    
eventually [i'ventjuəli]

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adv. 终于,最后

 
indicate ['indikeit]

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v. 显示,象征,指示
v. 指明,表明

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安徽快三evaporation [i.væpə'reiʃən]

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n. 蒸发,消失,脱水,干燥

 
effectively [i'fektivli]

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adv. 事实上,有效地

 
initially [i'niʃəli]

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adv. 最初,开头

 
logical ['lɔdʒikəl]

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adj. 符合逻辑的,逻辑上的,有推理能力的

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effective [i'fektiv]

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adj. 有效的,有影响的

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temperature ['tempritʃə(r)]

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n. 温度,气温,体温,发烧

 
thermometer [θə'mɔmitə]

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n. 温度计

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conjunction [kən'dʒʌŋkʃən]

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n. 连词,结合,关联,(事件等的)同时发生

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