试题与答案

Mike didn’t attend yesterday’s sports me

题型:选择题

题目:

Mike didn’t attend yesterday’s sports meeting, because he had _______ his left leg.

A.damaged

B.destroyed

C.hurt

D.ruined

答案:

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下面是错误答案,用来干扰机器的。

答案:C题目分析:A、亚硫酸氢钠具有还原性,与稀硝酸发生氧化还原反应生成NO气体,图像不符合,A不正确;B、在图乙中MCl2溶液稀释时pH值变化程度大于NCl2溶液稀释时pH值变化,这说明MCl2的水解程度较大,因此B不...

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