下列说法正确的是(    )        A.小明身高1.78 m,则他应该是

下列说法正确的是(   

       A.小明身高178 m,则他应该是高个子的总体这一集合中的一个元素

       B.所有大于0小于10的实数可以组成一个集合,该集合有9个元素

       C.平面上到定直线的距离等于定长的所有点的集合是一条直线

       D.任意改变一个集合中元素的顺序,所得集合仍和原来的集合相等

答案

D

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