备考，要多进行在线测试训练，也要注意认真学习答案解析。我觉得最实用的备考资源就是真题模拟、测试和解析啦。接下来就一起来看看今天SAT考试内容：sat数学在线测试及答案解析
sat数学在线测试及答案解析
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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