智能建筑管理系统必须以系统一体化、功能一体化、()、和软件界面一体化等多种集成技术为基础。
A、构架一体化
B、管理一体化
C、服务一体化
D、网络一体化
参考答案:D
用所给动词的适当形式填空。
1. He is _______ (clever) boy in the class.
2. We always have a great time_______(chat) with each other.
3. _______(take) a bus is much faster than walking,
4. Quiet! The students_______(have) an English class.
5. Could you tell me how_______(get) to the hospital?
6. My mother asks us _______(not watch) too much TV
读图,回答下列问题。
图中虚线区域是什么地貌类型,简述其形成原因。