【单选题】Tom ________ the radio when I came in.
【简答题】一个完整的磁盘存储器由三部分组成,其中,______又叫磁盘机或磁盘子系统,是独立于主机的一个完整的设备;______是磁盘机与主机的接口部件;______用于保存信息。
【简答题】A.By watching some films about World Environment Day. B.By listening to some lectures and planting trees, etc. C.By planting trees, having some green concerts, bicycle parades, etc. D.By delivering so...
【简答题】A.By watching some films about World Environment Day. B.By listening to some lectures and planting trees, etc. C.By planting trees, having some green concerts, bicycle parades, etc. D.By delivering so...
【简答题】一个完整的计算机系统应当包括______系统和______系统。
【简答题】A.By watching some films about World Environment Day. B.By listening to some lectures and planting trees, etc. C.By planting trees, having some green concerts, bicycle parades, etc. D.By delivering so...
【单选题】Li Lei wants to be a singer.He music. [ ]
【简答题】压缩式制冷系统是一个完整的密封循环系统,组成这个系统的主要部件包括压缩机、(8)、(9)、和(10)。