职业道德是人们在职业工作和劳动中应遵循的与()紧密相联系的道德原则和规范总和。
A.法律法规
B.文化修养
C.职业活动
D.政策规定
参考答案:C
将抛物线y=3x2向上平移3个单位后,所得抛物线的顶点坐标是( )
The relational database model requires the data be (71) through programs that don’t rely on the position of the data in the database. This is in direct (72) to the other database mode, where the program has to follow a series of pointers to the data it seeks. A program (73) a relational database simply asks for the data it seeks; the DBMS performs the necessary searches and (74) the information. The (75) on how the search is done are specific to the DBMS and vary from product to product.
(72)处填()。
A.conduct
B.contract
C.contrast
D.construct