题干

某学校为了解本校八年级学生生物考试测试情况,随机抽取了本校八年级部分学生的生物测试成绩为样本,按A(优秀)、B(良好)、C(合格)、D(不合格)四个等级进行统计,并将统计结果绘制成如下统计图表.请你结合图表中所给信息解答下列问题:

等级

人数

A(优秀)

40

B(良好)

80

C(合格)

70

D(不合格)


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同类题3

阅读下面材料,在空白处填入适当的内容(1个单词)或括号内单词的正确形式。

        In my living room, there is aplaque that advises me to “bloom ____youare planted”. It reminds me of Dorothy. I got to know Dorothy in the early1980s, when I was teaching Early Childhood Development through a program. Thejob ____(responsible) requiredoccasional visits to the classroom of each teacher in the program. Dorothystands out in my memory as on one ____bloomed in her remote area.

       Dorothy taught in a remote school nearHarlan. To get to her school from the town of Harlan, I followed a road ____(wind) around the mountain. In theeight-mile journey, I crossed the same railroad track five times, giving thepossibility of ____(catch) by thesame train five times. Rather than feeling excited by this drive throughmountains, I found it depressing. The poverty level was shocking and the smallshabby houses gave me the greatest feeling of ____(hope).

        From the moment of my arrival at thelittle school, all my gloom disappeared. Upon arriving at Dorothy's classroom,I was greeted with smiling faces and treated like a queen. The children____(prepare) to show me their ____(late) projects. Dorothy told me witha smile that they were serving poke greens salad and cornbread they madethemselves for dinner.

        Lonely ____she was far away from the moderncivilization and convenience, she never ran out of reports of excitingactivities of her students. Her enthusiasm never cooleddown. She passed all the tests ____(excellent)and I found that Dorothy was really blooming where life had planted her.