2015届高三（人教版选修7）一轮复习单元测试Unit 5英语试卷

适用年级：高三
试卷号：80523

试卷类型：专题练习
试卷考试时间：2017/8/18

1.选择题(共4题)

1.若关于x的一元二次方程的两个根为x₁=1，x₂=2，则这个方程是（）

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2.已知关于x的方程x²﹣（2k﹣1）x+k²=0有两个不相等的实数根，那么k的最大整数值是（）

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3.已知x=2是一元二次方程x²+mx+2=0的一个解，则m的值是（）

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4.已知x=2是一元二次方程x²+mx+2=0的一个解，则m的值是（）

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In the face of all these difficulties, we're not discouraged and keep ________ good spirits.

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It's dark and little Anne can't find her way home. She really doesn't know what ________(do)．

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Her talent and experience qualified her ________ the key post in the company.

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They prepared manmade rubber as a substitute________ the natural rubber that they could no longer obtain.

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After years abroad, he returned to his hometown, ________ he spent his childhood.

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试卷分析