【单选题】数据链路层的任务是将可能有差错的( )链路,改造成对网络层来说是无差错的传送线路。
【多选题】There are two broad categorizations of recruitment: ( ) recruitment and ( ) recruitment.
【单选题】病原菌不侵入血液,但其在局部产生的外毒素侵入血液引起特殊的中毒症状,称为
【单选题】数据链路层的任务是将可能有差错的( )链路,改造成对网络层来说是无差错的传送线路。
【判断题】Generally speaking, there are two broad categorizations of recruitment, and they are internal recruitment and external recruitment.
【判断题】There are two broad categorizations of recruitment: internal recruitment and external recruitment.