简述股份有限公司的若干重要原则。
2005年4月14日国家禁毒委部署开展的全国禁毒人民战争,为期()年。 ["一","二","三","五"]
一份完整的问卷设计程序的第一步是()。 ["确定问题的形式","确定问卷的结构","确定调查目的和对象","确定问题的编排"]
What is the result? () [" The program prints “lava”."," The program prints “java”."," An error at line 7 causes compilation to fail."," Complication succeeds but the program throws an exception."]
在冰雪路面上行车如转向过猛,极易造成(),为此转向时应做到早转、少转,慢转慢回。 ["车轮侧滑","侧翻","侧倾","掉头"]
简述什么是数据库管理系统(DBMS)?数据库管理系统的功能是什么?