2015届高三（人教版选修8）一轮复习单元测试Unit 4英语试卷

适用年级：高三
试卷号：80544

试卷类型：专题练习
试卷考试时间：2017/8/18

1.选择题(共6题)

1.某社区准备在甲乙两位射箭爱好者中选出一人参加集训，两人各射了5箭，他们的总成绩（单位：环）相同，小宇根据他们的成绩绘制了尚不完整的统计图表，并计算了甲成绩的平均数和方差（见小宇的作业）．

甲、乙两人射箭成绩统计表

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2.某社区准备在甲乙两位射箭爱好者中选出一人参加集训，两人各射了5箭，他们的总成绩（单位：环）相同，小宇根据他们的成绩绘制了尚不完整的统计图表，并计算了甲成绩的平均数和方差（见小宇的作业）．

甲、乙两人射箭成绩统计表

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3.一元二次方程2x²+3x+1=0的根的情况是（）

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4.一元二次方程2x²+3x+1=0的根的情况是（）

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5.如图，已知BD垂直平分线段AC，∠BCD=∠ADF，AF⊥AC

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6.如图已知∠AOB，OA=OB，点E在OB边上，四边形AEBF是矩形，请你只用无刻度的直尺在图中画出菱形AOBG．（请保留画图痕迹）．

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—I am working on ________ screen adaptation of my latest science fiction.
—You can dream of making ________ fortune out of it.

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________(drive) by a greater demand for green products, the food company has set higher standards to ensure the quality.

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In some languages,100 words make up half of all words ________(use) in daily conversations.

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10.

________(free) from endless homework on weekends, the students now find their own activities, such as taking a ride together to watch the sunrise.

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11.

He never hesitated________ (help) those in trouble because he was a kindhearted man.

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12.

The bank is reported in the local newspaper to ________(rob) in broad daylight yesterday.

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13.

The success of a government should be measured ________terms of the happiness of the people as well as the development of economy.

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试卷分析