SAT1备考数学练习（六）

　　为了方便广大考生更好的复习，和谐英语网综合整理了SAT1备考数学练习，以供各位考生考试复习参考,希望对考生复习有所帮助。

　　sat考试官方网站每日一题小结，以下是SAT1数学部分。

　　Read the following SAT test question, 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

　　Correct Answer: D

　　Here"s Why:

　　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.

　　Difficulty: Medium

　　Question Type: Standard Multiple Choice