2013-12-10 16:38:52 来源: 互联网 责编:楷维留学指南
楷维留学小编为大家整理2013年12月3日SAT考试官网每日一题,希望对大家备考SAT考试有所帮助。
Question of the Day. Can you answer today's question? 这就是SAT考试官网collegeboard的每日一题的训练。SAT考试不像托福、雅思或者GRE、GMAT考试,会有回忆机经,因此官网上的SAT真题就显得尤为重要。SAT考试官方每日一题可以让你熟悉SAT考试的出题方向及出题规律,有很大的参考价值,是每一位SAT考生都需要的备考资料。
2013年12月3日SAT真题类型:
Mathematics > Standard Multiple Choice 数学选择
Read the following SAT test question and then click on a button to select your answer.
There are
students in a biology class, and only
of them are seniors. If
juniors are added to the class, how many students in the class will not be seniors?
(A)![]()
(B)![]()
(C)![]()
(D)![]()
(E)![]()
2013年12月3日SAT考试官方每日一题答案:D
解析:At first, there are
students in the class, and
of them are seniors. It follows that initially
students are not seniors. If
juniors are added to the class, there will be
, or
, students in the class who are not seniors.
为大家提供与12月3日SAT真题同类题型的一道题目,供各位考生练习:
The stopping distance of a car is the number of feet that the car travels after the driver starts applying the brakes. The stopping distance of a certain car is directly proportional to the square of the speed of the car, in miles per hour, at the time the brakes are first applied. If the car’s stopping distance for an initial speed of
miles per hour is
feet, what is its stopping distance for an initial speed of
miles per hour?
(A)
feet
(B)
feet
(C)
feet
(D)
feet
(E)
feet
解析:The stopping distance is directly proportional to the square of the initial speed of the car. If
represents the initial speed of the car, in miles per hour, and
represents the stopping distance, you have that the stopping distance is a function of
and that
, where
is a constant. Since the car’s stopping distance is
feet for an initial speed of
miles per hour, you know that
. Therefore,
, and the car's stopping distance for an initial speed of
miles per hour is
feet.
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