【单选题】关于口腔护理的目的,下列叙述不正确的是()
【单选题】TCP/IP 协议族是理解计算机网络和因特网的关键。下图给出了现实生活中邮政系统的工作过程与网络基于 TCP/IP 协议进行信息传输的过程示意图,仔细理解该图,注意理解、区分与命名,回答问题。 计算机网络中网络协议 (IP) 的核心作用是 ____ 。
D.
前述 ( 网络传输路径的确定 ) 和 ( 负责从源计算机到目的计算机的数据包的发送 )
【单选题】Which of the following is TRUE about Douglas Fraser?
A.
He was proud to have finished high school education.
B.
He became a successful leader thanks to his education.
C.
He wished he hadn't dropped out of school.
【单选题】计算机网络中网络协议(IP)的核心作用是____。
【多选题】型式试验的结果应当作为设计文件鉴定合格的依据,()合格后,方可进行制造许可评审或批量制造。
【单选题】Which of the following is TRUE about Douglas Fraser?
A.
He was proud to have finished high school.
B.
He became a successful leader thanks to his education.
C.
He wished he hadn't dropped out of school.