【甲】他来自农村,老实,健壮,坚韧。来道北京后,他选择了当时城市底层老百姓很普通的行业﹣﹣拉洋车。他自尊好强,吃苦耐劳,经历了三起三落,他失去了生活的信心,最后变成了麻木,狡猾,自暴自弃的行尸走肉。
【乙】大家都围住他,对他说:“再见!再见!再见!”有的摸摸他,有的拥抱他,大家不约而同地你要向这个勇敢而出色的少年告别,真是热闹极了!
It's September 13th today. It's my birthday. I get up early at 5:30 in the morning. After breakfast, I go to the park with my parents. We take many photos. In the afternoon, my father buys a big birthday cake for me. My friends make many beautiful cards for me. We eat the birthday cake together. I am very happy.
组别
分数段(分)
频数
频率
A组
60≤x<70
30
0.1
B组
70≤x<80
90
n
C组
80≤x<90
m
0.4
D组
90≤x<100
60
0.2
请根据图表信息解答下列问题:
能正确反映图像对应实验操作的是 ( )
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