2014-01-11 13:54:13 来源: Collegeboard 责编:楷维留学指南
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。
楷维留学小编为大家整理2014年1月10日SAT考试官方每日一题解析,希望对大家备考SAT考试有所帮助。
2014年1月10日SAT真题
Mathematics > Standard Multiple Choice 数学选择
Read the following SAT test question and then click on a button to select your answer.
,
,
,
,
, ...
The first term of the sequence above is
. Which of the following could be the formula for finding the
term of this sequence for any positive integer
?
(A)![]()
(B)![]()
(C)![]()
(D)![]()
(E)![]()
2014年1月10日SAT考试官方每日一题答案:B
解析:You do not know the value of the
term or the
term of the sequence, but you do know the values of the
,
, and
terms. The correct formula must give
as the value of the
term,
as the value of the
term, and
as the value of the
term. Choice E,
, gives
, not
, as the value of the
term. Choice A,
, gives
, not
, as the value of the
term. Choice C,
, gives
, not
, as the value of the
term. Choice D,
, gives
, not
, as the value of the
term. This leaves choice B,
, which gives the correct values for the
,
, and
terms of the sequence.
为大家提供与2014年1月10日SAT真题同类题型的一道题目,供各位考生练习:
If
percent of
is greater than
, which of the following must be true?
(A)
(B)
(C)
(D)
(E)
解析:If
percent of
is greater than
, then
. It follows that
, and so
.
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