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新SAT官方Daily Practise每日一题数学推理题

小站教育2017-05-16 15:12:29

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摘要：今天起，本系列将给大家带来SAT官方的每日一练真题，各个项目都有，持续更新，希望大家同步多练习。今天这里分享的是5月16日的数学推理题，一起来练习吧！

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

SAT官方Daily Practice 数学汇总，点击进入

T(m)=10m+40

Carlos decides to cook a steak. The interior temperature of the steak, T(m), in degrees Fahrenheit (°F), after cooking for m minutes is given by the function above. What does the number 10 in the function mean in this context?

A.The interior temperature of the steak, in degrees F, before Carlos starts cooking it

B.The increase in the interior temperature of the steak, in degrees F, every 1 minute the steak is cooked

C.The decrease in the interior temperature of the steak, in degrees F, every 1 minute the steak is cooked

D.The interior temperature of the steak, in degrees F, 1 minute after Carlos starts cooking it.

重点单词：

slope [sləup] n. 倾斜，斜坡，斜面，斜线，斜率

minutes ['minits] n. 会议记录，(复数)分钟

context ['kɔntekst] n. 上下文，环境，背景

multiple ['mʌltipl] adj. 许多，多种多样的

function ['fʌŋkʃən] n. 功能，函数，职务，重大聚会

temperature ['tempritʃə(r)] n. 温度，气温，体温，发烧

option ['ɔpʃən] n. 选择权，可选物，优先购买权

答案：B

解析：

Option B is correct. In this function, 10 is the slope, which represents the change in the temperature over time, in degrees F per minute.

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