IP数据报的首部没有地方用来指明“下一跳路由器的IP地址”,IP数据报如何放给下一跳路由器?
对全员进行教育思想的领导是院长的首要任务,园长的教育思想直接影响幼儿园教育的过程和管理质对全员进行教育思想的领导是院长的首要任务,园长的教育思想直接影响幼儿园教育的过程和管理质量。()
We are both pleased to hear the news. Both______are pleased to hear the news.We are both pleased to hear the news. Both______are pleased to hear the news.