●SQL Server is a RDBMS(Relational Database Management System)made by Microsoft.This means that the data is stored in two dimensional (74) .

●A multimedia system allows end users to share，transfer and process avariety of forms of information in a (75) manller.

●试题二

●试题三

●试题四

●在常用的字处理软件中，按下〈Alt〉键再拖动鼠标选择文本，可以 (1) ；按下〈Ctrl〉键再用鼠标拖动已选定的文本，可以 (2) 。