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SAT官方每日一题附答案和解析[数学](2017年4月24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 number of data objects stored in a company's "cloud" increased at a rate of 190% per year for 5 years. At the end of the fifth year, the number reached 762 billion objects. From the beginning of the sixth year, 1 billion objects were being added daily to the company's cloud. If the growth rate had not changed in the sixth year, approximately how many more objects would have been on the company's cloud at the end of the sixth year than the actual number of objects based on the constant daily increase? (Use 365 days per year.)

A.1.1 trillion objects
B.2.2 trillion objects
C.320 billion objects
D.397 billion objects

重点单词   查看全部解释    
multiple ['mʌltipl]

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adj. 许多,多种多样的
n. 倍数,并联

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approximately [ə'prɔksimitli]

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adv. 近似地,大约

 
constant ['kɔnstənt]

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adj. 经常的,不变的
n. 常数,恒量

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steady ['stedi]

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adj. 稳定的,稳固的,坚定的
v. 使稳固

 
initial [i'niʃəl]

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n. (词)首字母
adj. 开始的,最初的,

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previous ['pri:vjəs]

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adj. 在 ... 之前,先,前,以前的

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