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SAT官方每日一题附答案和解析[写作](2019年10月16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 -- and eventually dropped below room temperature. After the fan was turned on, the temperature of the wet thermometer plummeted another 30°C. 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.

Which choice offers an accurate interpretation of the data in the graph?

A.NO CHANGE
B.continued its slow decrease.
C.underwent another rapid decrease.
D.fluctuated before stabilizing at approximately 20°C.

重点单词   查看全部解释    
999彩票开户approximately [ə'prɔksimitli]

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adv. 近似地,大约

 
accurately ['ækjuritli]

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adj. 准确地
adv. 精确地,准确地

 
thermometer [θə'mɔmitə]

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n. 温度计

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contrast ['kɔntræst,kən'træst]

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n. 差别,对比,对照物
v. 对比,成对照<

 
eventually [i'ventjuəli]

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adv. 终于,最后

 
interpretation [in.tə:pri'teiʃən]

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n. 解释,阐释,翻译,(艺术的)演绎

 
graph [grɑ:f]

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n. 图表,示意图
vt. (以图表)表示

 
effective [i'fektiv]

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adj。 有效的,有影响的

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evaporation [i.væpə'reiʃən]

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n. 蒸发,消失,脱水,干燥

 
temperature ['tempritʃə(r)]

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n. 温度,气温,体温,发烧

 


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