皮皮学，免费搜题
登录
搜题
【单选题】
在ACCESS“学生”表中有学号、姓名、性别、入学成绩、身高字段。SQL语句：Select性别，AVG（入学成绩）FROM学生group by性别其功能是：（）A.
计算并显示“学生”表中所有学生入学成绩的平均分
B.
对学生表中记录按性别分组显示所有学生的性别和入学平均分
C.
计算并显示“学生”表中所有学生的性别和入学成绩的平均值
D.
对“学生”表中的记录按性别分组显示性别及对应的入学成绩的平均分
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】As the railroads and the highways shaped the American West in the past centuries, a new electhical generating（发电）and transmission（输送）systen for the 21 th century will leave a lasting mark on the West,...
【简答题】阅读理解。 As the railroad and the highways shaped the American west in the past centuries, a new electrical generating (发电) and transmission (输送) system for the 21st century will leave a lasting mark on t...
【单选题】在幻灯片浏览窗格中,要删除选中的幻灯片,不能实现的操作是( )。
A.
按下键盘上的Delete键
B.
按下键盘上的BackSpace键
C.
单击工具栏上的隐藏幻灯片按钮
D.
右击选择“删除幻灯片”命令
【单选题】What does the word 'renaissance' mean in the context?
A.
The art revival in 14-16 centuries in Europe which originated in Italy.
B.
The recovery of Italian football from a downturn in European Championship.
C.
The recovery of an entertaining football from a defense dominated football.
D.
The revival of fans' support for Italian football.
【简答题】阅读理解 As the railroads and the highways shaped the American West in the past centuries, a new electrical generating(发电)and transmission(输送) system for the 21st century will leave a lasting mark on the ...
【判断题】The West Lake has influenced garden design in the rest of China as well as Japan and Korea over the centuries.
A.
正确
B.
错误
相关题目：
参考解析：
知识点：
题目纠错 0
发布
