题干

甲、乙两位同学在一次用频率估计概率的实验中统计了某一结果出现的频率给出的统计图如图所示,则符合这一结果的实验可能是(  )

A:掷一枚正六面体的骰子,出现5点的概率

B:掷一枚硬币,出现正面朝上的概率

C:任意写出一个整数,能被2整除的概率

D:一个袋子中装着只有颜色不同,其他都相同的两个红球和一个黄球,从中任意取出一个是黄球的概率

上一题 下一题 0.0难度 选择题 更新时间:2018-07-16 07:23:18

答案(点此获取答案解析)

D

同类题3

阅读下面短文,从短文后各题所给的四个选项(A、B、C、D)中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。

    People say one man's trash(垃圾) is another man's treasure. That1 comes to me as I2 the house purchased in 1962 by my parents. My mother passed away in 1996. My father left the house3 my sister and me when he died a few months ago.

    After Dad was4 , we looked around the5 house where we grew up and that Dad loved so much. At first we felt so6 all the stuff left. Like so many of their generation, my parents7 everything. And like many in my generation, we faced anxious 8 about what to abandon and what to keep.

    As we started throwing out old phone books and every medical bill from every9 my parents ever saw, I also10 many hidden treasures. Mom's pocketbook was in their bedroom closet, which had everything in it, 11 her hairbrush with hair, as if she were still here. And Dad, who was a World War II veteran(退伍兵) and a world traveler,12 everything—from little spoons from all over the world to every letter he wrote to his parents while in the13. The letters he wrote during the war14 his thoughts as a young man. Later, in the basement, I15 our old kitchen table, which brought back 16 of my parents and sister and me having breakfast together .

    I'm realizing all these things17 my parents' life journey. Each time I go to18, I find something that reminded me of my childhood or teaches me something about my parents I19 knew. 20, from the shabby furniture to all the hidden treasures, means more to me than all the money in the world.