2012-2013学年陕西省榆林实验中学高二上学期期末考试英语试卷（带解析）

适用年级：高二
试卷号：90322

试卷类型：期末
试卷考试时间：2017/7/19

1.选择题(共3题)

1.（10宜昌15）．除去下列物质中的杂质，所用的试剂和方法不正确的是

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2.（10宜昌15）．除去下列物质中的杂质，所用的试剂和方法不正确的是

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3.把3.9gNa₂O₂放入100mL水中，充分反应后，计算：

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—How about _______ Christmas evening party?
—I should say it was _______ success.

A．a;a

B．the;a

C．a;不填

D．the;不填

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________ their hats into the air, the fans of the winning team let out loud shouts of victory.

A．To throw	B．Thrown
C．Throwing	D．Being thrown

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_________ to reach them on the phone, we sent an email instead.

A．Fail

B．Failed

C．To fail

D．Having failed

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______, we’ll go camping.

A．weather permits	B．If weather will permit
C．weather permitting	D．weather permitted

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Only then _________the importance of my health.

A．did I realize

B．had I realized

C．I realized

D．I had realized

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试卷分析