【简答题】Customs officers at a London airport yesterday found 500,000 pounds worth of drugs which were being smuggled ( 走私 ) into Britain in boxes marked “Urgent Medical Supplies.” The 1 might have suspected f...
【简答题】Company A signed a contract with company B for a batch of textile on CIF term. The contract stipulated that the date of shipment is from Oct. 10 to Oct.Since liner company speeded up loading and all o...
【简答题】FTP 的工作过程: FTP 运行时使用两个 TCP 连接,一个是控制连接,另一个是数据连接。控制连接是在执行 FTP 命令时由 发起请求同服务器建立的连接,它不传输数据,只用来传输控制数据传输的 集及其响应。 FTP 服务器监听端口 以等待控制连接建立请求。建立连接后一直保持连接状态,而数据连接端口 仅在数据传输时开启。 FTP 客户端的端口号随机产生。
【单选题】下面结尾段运用了什么方法 ? In a word,it is necessary and urgent to levy tax to combat air pollution. I would suggest the government should work out a feasible package of regulations as soon as possible to get thi...
【单选题】This work is urgent. It ____ today.
【单选题】Does Tan think the work is as urgent as this report suggests?
【单选题】( )是科目汇总表核算程序下登记总账的直接依据
【简答题】FTP协议使用了两个连接:控制连接和数据连接。在FTP服务器上控制连接使用的端口号是( ),数据连接使用的端口号是( )。
【单选题】API(Active Pharmaceutical Ingredient)药物是( )