2017年11月2日SAT官方每日一题---数学选择.

　　下面是2012年11月2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。下面我们就一起来看一下这个SAT官方每日一题吧。

　　SAT官方每日一题之数学---选择：

　　直接获取澳际名师服务点击进入>>>>有问题?找免费的澳际专家咨询! 或者通过在线咨询处留言，把您最关心的问题告诉我们。

　　Mathematics > Standard Multiple Choice

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

　　In a survey, a group of students from Westville High School were asked about their favorite movie genre. Each student in the group selected exactly one movie genre, and the data collected are summarized in the circle graph above. If 40 more students chose Action than Fiction, how many students were surveyed in total?

　　(A) 100

　　(B) 150

　　(C) 200

　　(D) 250

　　(E) 300

　　The correct answer is D

　　Explanation

　　From the circle graph,of the students surveyed chose Action andchose Fiction as their favorite movie genre. Hencestudents is equal toof the total number of students surveyed. Letbe the number of students surveyed; then the last statement can be written symbolically as. Solving forgives. Therore, the total number of students surveyed was.

　　下面为大家提供一些和这些SAT官方每日一题相似的题目，供大家练习：

　　Miguel is centimeters tall. At 2:00 p.m. one day, his shadow is centimeters long, and the shadow of a nearby fence post is centimeters long. In terms of , what is the height, in centimeters, of the fence post?

　　Answer Choices

　　(A)

　　(B)

　　(C)

　　(D)

　　(E)

　　The correct answer is C

　　Explanation

　　The situation described in the question can be pictured as in the figure below, where is the height, in centimeters, of the fence post.

　　There are two right triangles in the figure. One triangle is formed by part of the line from the sun to point , the perpendicular from Miguel’s head to the ground, and Miguel’s shadow along the ground. The other triangle is formed by part of the line from the sun to point , the perpendicular from the top of the fence post to the ground, and the fence post’s shadow along the ground. Since these two right triangles share the acute angle at , they are similar triangles. Since the corresponding sides of similar triangles are in proportion, it follows that. Solving this equation for , the height, in centimeters, of the fence post, yields

　　以上就是关于2012年11月2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。