【简答题】London has already hosted the Olympics twice before and the 2012 Olympics will make it the first city in history to have held three Olympic s. The first London Olympics in 1908 These s were go...
【简答题】向monitor角色授予系统权限CREATE SESSION、CREATE TABLE的命令是____________________________。
【判断题】文中所说的“世界第三极”指的是西藏阿里,另外两极是南极和北极。
【判断题】创建类的对象时,系统会自动调用构造方法进行初始化。
【单选题】Let ___________ sweep the floor. [ ]
【判断题】一个关系满足第三范式(3NF),那么它的任何两个非主键字段之间不存在依赖关系。也就是消除了传递依赖。
【简答题】____是儒家思想的核心,礼是伦理规范,中庸是思想方法。
【简答题】The explosion of knowledge and the changes in technology will make education mainly focus on the acquisition and the application of information.