正确答案: B

直方图

题目：根据某地6～16岁学生近视人数的调查资料制作统计图表，以反映患者的年龄分布，宜用的图表形式是______。

解析：解析：本题考查信息处理基础知识。

查看原题

举一反三的答案和解析：

[单选题]

B． 1.45 C． 20 D． 20.697395

0.078125B． 1.45

[单选题]● 下列关于文件夹的叙述中，不正确的是 （34） 。（34）

文件夹在外存储器的存储位置不能用文件路径表示

[单选题]●The development process in the software (74) involves four phases: analysis，design,implementation, and testing.(74)

lifecycle

[单选题]The metriC assigneD to eaCh network DepenDs on the type of protoCol.Some simple protoCol, like RIP, treats eaCh network as equals.The (71) of passing through eaCh network is the same;it is one (72) Count.So if a paCket passes through 10 network to reaCh the Destination, the total Cost is 10 hop Counts.Other protoCols, suCh as OSPF, allow the aDministrator to assign a Cost for passing through a network BaseD on the type of serviCe requireD.A (73) through a network Can have Different Costs(metriCs).For example, if maximum (74) is the DesireD type of serviCe, a satellite link has a lower metriC than a fiBer-optiC line.On the other hanD, if minimum (75) is the DesireD type of serviCe, a fiBer-optiC line has a lower metriC than a satellite line.OSPF allow eaCh router to have several routing taBle BaseD on the requireD type of serviCe.（71）

Cost