单项选择题
Which one of the following expressions is equivalent to ’X BETWEEN 15 AND 25’(25).
A.X>15 AND X<25
B.X=15 AND X=25
C.X>25 AND X<15
D.X>=15 AND X<=25
点击查看答案
<上一题
目录
下一题>
热门
试题
单项选择题
The methods used in Asynchronous Transfer Mode (ATM)are switch technology and(17)is used to describe this mode.
A.cell exchange
B.message exchange
C.information exchange
D.packet exchange
点击查看答案
单项选择题
打开123.DOC文档,未进行任何操作,则______。
A.撤销命令无效,恢复命令无效
B.撤销命令有效,恢复命令无效
C.撤销命令无效,恢复命令有效
D.撤销命令有效,恢复命令有效
点击查看答案&解析
相关试题
The most important program on any ...
Each Web(72)has its own unique ...
The smallest unit of information in...