解决问题。
(1)和一共多少元?
□○□=□
(2)你还能提出什么问题?并解答。
(1) 8+7= 15 (2)"略"
It's said that they ________ a better life ever since they moved to the US.
A.had enjoyed
B.have been enjoying
C.were enjoying
D.would enjoy
下面关于可视化编程技术的说法错误的是 (36) 。
A.可视化编程的主要思想是用图形化工具和可重用部件来交互地编制程序
B.可视化编程一般基于信息隐蔽的原理
C.一般可视化工具有应用专家或应用向导提供模板
D.OOP 和可视化编程开发环境的结合,使软件开发变得更加容易