搜题请搜索小程序“爱下问搜题”
问题 选择题

在某餐厅内抽取100人，其中有30人在15岁以下，35人在16至25岁，25人在26至45岁，10人在46岁以上，则数 0.35 是16到25岁人员占总体分布的（　　）

A．概率

B．频率

C．累计频率

D．频数

答案

∵某餐厅内抽取100人，

35人在16至25岁之间，

∴

35
100
=0.35是16至25岁人员占总体分布的频率，

故选B．

单项选择题

共享是中国特色社会主义的（）。必须坚持发展为了人民，发展依靠人民，发展成果由人民共享，做出更多的制度安排，使全体人民在共建共享中有更多的获得感。

A.根本体现

B.本质要求

C.重要特征

D.最终目的
查看答案
单项选择题

There was a woman in Detroit, who had two sons. She was worried about them, especially the younger one, Ben, because he was not doing well in school. Boys in his class played jokes on him because he seemed so (21) The mother (22) that she would help her sons to do (23) in school by herself. She told them to go to the Detroit Public Library to (24) a book a week and do a book report for her.
One day, in Ben’s class, the teacher held up a rock and asked (25) anyone knew it. Ben put up his hand and the teacher let him (26) . "Why did Ben raise his hand" all of his (27) whispered (耳语) and wondered. "He (28) said anything. What could he possibly want to say" To their surprise, Ben not only (29) the rock, but also said a lot about it. He (30) other rocks in its group and even knew (31) the teacher had found it. The teacher and the other students were (32) Ben had learned this from doing one of his book (33) .
Later Ben became the (34) student of his class. When he finished high school, he went to Yale University and (34) became one of the best doctors in the United States.

Ⅱ. 完形填空

/Close
阅读下面短文，从短文后各题所给的四个选项(A、B、C和D)中选出一个最佳选项。

A．top

B．slow

C．low

D．rich
查看答案