【单选题】关于internet,下列说法不正确的是( )。
【单选题】在UML类图中,类与类之间存在关联(Association)等关系。关联关系的标准UML图形表示是(42)。
【判断题】FTP(文件传输协议)使用的默认端口号是21
【单选题】含水率为4%的砂重100克,其中干砂重( )克。
【判断题】Hi! My name is Zhou Mei. I’m your teacher. I’m from Beijing. This is Mike. He’s from America. He’s your teacher, too. This is Li Lei. He’s from Guangzhou. He’s new(新来的). 2、 Mike is a teacher, too.( ...
【简答题】An increasingly large number of Chinese plan to spend their time travelling to different countries and seeing more of the world when they _______.
【单选题】在UML类图中,类与类之间存在依赖(Dependency)等关系。依赖关系的标准UML图形表示是(44)。
【简答题】()是最根本的党内法规,是制定其他党内法规的基础和依据。
【简答题】给下列对话重新排序。 1. Hello, mom! 2. Good afternoon, Mike. 3. Hello! 4. Mom, this is Mike. 5. Good afternoon. 6. Nice to meet you. 7. Nice to meet you, too. 正确的顺序是: ________________________________