仅就at home表示“在意义而言,主语只能是。因为at表示的人做某事的地方,如工作、学习、休息、开会、看电影、乘坐飞机等等,暗示某人做某事。如at bank, at school, at home, at a meeting, at lunch, at airport, at the theatre, at war等等。不能说the washing machine ** at home. 你提问...
分析:电脑显示reboot and select proper boot device or insert boot media in select boot,表示未找到启动磁盘。如果此前未曾修改cmos启动项,则一般为硬盘出现故障如接触不良或损坏而未能通过开机通电自检,或者是硬盘主引导记录损坏,或者是主机插入非启动光盘或u盘。处理办法: 1、关机...
1、at all :完全,根本,多否定条件句。如用于肯定句,疑问句。可作 "真的实" 解。 eg. if it were not for the sun,we could not live at all. 2、in all:总的来说,总之,一共。 eg. there were twenty in all at the meeting. 会上共有二十人。 there were ...