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SAT官方每日一题附答案和解析[数学](2018年3月13日)

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Mathematics>Standard Multiple Choice

Read the following SAT test question and then click on a button to select your answer.

The temperature T in degrees Celsius of a chilled drink after the drink has been sitting on a table for m minutes is represented by the function below.

T(m)=32-28*3^(-0.05m)

What is the best interpretation of the number 32 in this context?

A.The drink is originally 32 degrees Celsius.
B.Every 32 minutes, the temperature warms by 3 degrees Celsius.
C.After 32 minutes, the drink will fully warm to the ambient temperature.
D.After the drink has been sitting for a very long time, the temperature of the drink will approach 32 degrees Celsius.

重点单词   查看全部解释    
temperature ['tempritʃə(r)]

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n. 温度,气温,体温,发烧

 
multiple ['mʌltipl]

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adj. 许多,多种多样的
n. 倍数,并联

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approach [ə'prəutʃ]

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n. 接近; 途径,方法
v. 靠近,接近,动

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minutes ['minits]

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n. 会议记录,(复数)分钟

 
context ['kɔntekst]

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n. 上下文,环境,背景

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interpretation [in.tə:pri'teiʃən]

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n. 解释,阐释,翻译,(艺术的)演绎

 
function ['fʌŋkʃən]

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n. 功能,函数,职务,重大聚会
vi. 运行

 

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