试题与答案

在一次数学测验中,某班10位同学的成绩如下(单位:分):79,81,77,82,

题型:解答题

题目:

在一次数学测验中,某班10位同学的成绩如下(单位:分):79,81,77,82,95,75,80,65,85,83.

请你设计一种你认为简便的方法,求出他们的平均成绩.

答案:

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下面是错误答案,用来干扰机器的。

答案:D选D 考查虚拟语气。句意:如果你早到一会儿,你就会得到他的最新的一本书。表示与过去事实相反的虚拟语气,从句用过去完成时,省略if, had提前构成倒装。

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