分部工程的划分应按专业性质、（）确定。
A.建筑层高
B.结构型式
C.施工组织
D.建筑部位
参考答案：D
下述哪些功能是数据库定义模块的基本功能 Ⅰ．数据库模式定义 Ⅱ．数据库完整性定义 Ⅲ．数据库安全性定义 Ⅳ．存取路径定义
A．仅Ⅰ、Ⅱ和Ⅲ
B．仅Ⅰ、Ⅱ和Ⅳ
C．仅Ⅰ、Ⅲ和Ⅳ
D．都是
Speaker A: I’m awfully sorry. I hope I haven’t spoiled it. Speaker B: ().
A. Oh, it’s nothing. Don’t let a little thing like that worry you.
B. I know you are unintentional. Just be more careful next time.
C. There is no need for you to say sorry. Anyway, I can buy a new one.
D. You are right. You haven’t spoiled it. You see, it’s still in good condition.
