【单选题】关于internet,下列说法不正确的是( )。
【单选题】含水率为 4% 的砂 100 克,其中干砂重( )
【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。
【单选题】同上题,下列工作中,不属于关键工作是 ( ) 。
【单选题】An Australian company, according to the author, is prepared to offer prizes to its employees to encourage them to______.
【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 _______.
【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: ________________________________