单选题:数据库系统的核心是( )。 题目分类:Access 题目类型:单选题 查看权限:VIP 题目内容: 数据库系统的核心是( )。 A.表 B.数据库 C.数据库管理系统 D.数据 参考答案: 答案解析:
以下程序段运行结束后,变量X的值为( )。 X=2Y=4DoX=x*yY=y+lLoop While y<4 以下程序段运行结束后,变量X的值为( )。 X=2Y=4DoX=x*yY=y+lLoop While y<4A.2 B.4 C.8 D.20 分类:Access 题型:单选题 查看答案
Arctic ice has never been melting so fast in__________ Arctic ice has never been melting so fast in__________A.rapid exaggeration of i 分类:Access 题型:单选题 查看答案
When we dream, there is less movement of electrical waves in When we dream, there is less movement of electrical waves in our brains.A.Right 分类:Access 题型:单选题 查看答案
Enormous sums of money have been spent on space exploration Enormous sums of money have been spent on space exploration.A.Much B.Large C.Sm 分类:Access 题型:单选题 查看答案
在窗体上添加一个命令按钮(名为Commandl),编写如下事件过程: Pfivate Sub Commandl_Clic 在窗体上添加一个命令按钮(名为Commandl),编写如下事件过程: Pfivate Sub Commandl_Click() Fori=l T0 4x= 分类:Access 题型:单选题 查看答案