2017年3月20日SAT官方每日一题---数学选择.

　　下面是2014年3月20日的SAT官方每日一题的内容，是关于数学方面的，题型是选择。SAT官方每日一题是collegeboard每天都会发布的题目，关于SAT考试的三个部分的各个题型。大家和澳际小编一起来看一下这个SAT官方每日一题吧。

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

　　If is the set of positive integers that are multiples of , and if is the set of positive integers that are multiples of , how many integers are in the intersection of and ?

　　(A) None

　　(B) One

　　(C) Seven

　　(D) Thirteen

　　(E) More than thirteen

　　The correct answer is E

　　Explanation

　　The intersection of sets and is the set of integers that are in and also in . Set consists of all positive integers that are multiples of , and set consists of all positive integers that are multiples of , so the intersection of

and is the set of positive integers that are multiples of both and . This is the set of all positive integers that are multiples of . There are an infinite number of positive integers that are multiples of , so there are more than thirteen integers in the intersection of and .

　　以上就是关于2014年3月20日SAT官方每日一题中数学部分的详细内容，包括了题目和选项以及答案，后面附有一道相关的练习题。大家可以在备考SAT的过程中关注SAT每日一题的内容，这样就可以更好有不间断的练习，也就能在日积月累的过程中得到提高。