在蓄滞洪区内的建设项目投入生产或使用时，其防洪工程设施应当经（）验收。
A.水利部
B.建设行政主管部门
C.国务院
D.水行政主管部门
参考答案：D
在投资建设领域贯彻科学发展观，其首要目标应是( )。
A．质量、成本、工期三控制
B．投资经济效益最大化
C．实现投资决策科学化、民主化
D．加强科技创新能力建设
The relational database model requires the data be (110) through programs that don’t rely on the position of the data in the database. This is in direct (111) to the other database mode, where the program has to follow a series of pointers to the data it seeks. A program (112) a relational database simply asks for the data it seeks; the DBMS performs the necessary searches and (113) the information. The (114) on how the search is done are specific to the DBMS and vary from product to product.
A．erases
B．provides
C．proves
D．values
