【单选题】12-23.When I first arrived in Japan, I was surprised ____ the way people greeted each other.
【单选题】In ____Japan ,_____baseball is ____most popular sport.
【单选题】进港邮件,应在班机到达后( )小时内办理完交接手续
【简答题】操作系统是最重要、最基本的系统软件,没有操作系统,人与计算机将无法直接交互,无法合理的组织软件和硬件有效地工作。通常,没有操作系统的计算机被称为“___”。
【单选题】When I first arrived in Japan, I was surprised ________ the way people greeted each other.
【单选题】In ____Japan ,_____baseball is ____most popular sport.