贵州省银河中学2010届高三下学期3月月考（英语）

适用年级：高三
试卷号：91562

试卷类型：月考
试卷考试时间：2017/7/20

1.选择题(共1题)

分解因式{#mathml#} $x^{4} + 2 x^{3} - 35 x^{2}$ {#/mathml#}，结果为（）

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Recently some studies have found that learning ____________ second language can lead to _______________ increase in one’s brain power.

A．a; the	B．不填; the
C．a; an	D．the; an

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—Mike got “F” in his history test.
— ？He has been working so hard on it.

A．How come	B．So what
C．What for	D．Why not

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试卷分析