题目内容
Specialized and powerful programs, called _______ are typically used to create specialized commercial sites.
查看答案
搜索结果不匹配？点我反馈
更多问题
Web authoring programs that allow you to build a page without interacting directly with HTML code are known as _______.
Add-on programs for a variety of mobile devices including smartphones and tablets.
_______ make up the basic structure of a relational database with columns containing field data and rows containing record information.
This is a website that provides access to specific mobile apps that can be downloaded either for a nominal fee or free of charge.
微信支付 
支付宝支付