2013-11-30 17:07:03 来源: 互联网 责编:楷维留学指南
2013年11月2日SAT真题
SAT真题类型: Writing > Identifying Sentence Errors 句子改错
The following sentence contains either a single error or no error at all. If the sentence contains an error, select the one underlined part that must be changed to make the sentence correct. If the sentence contains no error, select choice E.

(A)
(B)
(C)
(D)
(E)
2013年11月2日SAT考试官方每日一题答案:E解析:There is no error in this sentence. The plural present tense verb “indicate” agrees with the plural subject “the results.” The phrase “both safer and” appropriately introduces the compound subject complement “both safer and more effective.” And the verb phrase “was … assumed” appropriately indicates an action that occurred in the past: i.e. what scientists thought before the new studies.
2013年11月3日SAT真题
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.

In the figure above,
and
. If the dashed lines bisect the angles with measures of
and
, what is the value of
?
(A)![]()
(B)![]()
(C)![]()
(D)![]()
(E)![]()
解析:

First, add the labeled points
,
,
,
,
, and
to the figure, as shown above. Then segment
bisects
, so
, and
. Thus,
. Similarly,
, because
and
are of equal measure and the sum of their measures is
. From the figure, it follows that
. Therefore,
.
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