新SAT每日一题数学计算题1

>>SAT习题解析：新SAT每日一题数学计算题1

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

Ann donates blood for the first time on May 15th, which is the 135th day of the year. She may donate again every 56 days. Which of the following inequalities can be used to determine the number of times, n, that Ann may donate this year? (Assume 1 year = 365 days.)

A.56n+135≤365

B.56(n-1)+135≤365

C.56n-1+135<365

D.56(n+135)<365

重点单词：

assume [ə'sju:m] vt. 假定，设想，承担; (想当然的)认为

determine [di'tə:min] v. 决定，决心，确定，测定

multiple ['mʌltipl] adj. 许多，多种多样的n. 倍数，并联

donate ['dəuneit] vt. 捐赠，转移(电子)

答案：B

解析：

Choice B is correct.

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