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2017年12月3日SAT官方每日一题---数学选择.

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  为了让我们更好的适应sat考试,sat官网每天都会有sat官方每日一题,下面是小编为您整理的2015年12月sat官方每日一题,是数学选择,让我们一起来看一看这道数学选择吧。

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

  There are n students in a biology class, and only 6 of them are seniors. If 7 juniors are added to the class, how many students in the class will not be seniors?

  (A) n-3

  (B) n-2

  (C) n-1

  (D) n+1

  (E) n+2

  答案:D

  解析:

  At first, there are n students in the class, and 6 of them are seniors. It follows that initially n-6 students are not seniors. If 7 juniors are added to the class, there will be n-6+7, or n+1, students in the class who are not seniors.

  上面是小编为您整理的2015年11月sat官方每日一题,是数学选择,为了让我们更好的适应sat考试,sat官网每天都会有sat官方每日一题,让我们一起来看一看这道数学选择吧。

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