• 2022-06-06
    下面哪条命令可以将“tx”用户的主要群组设置为“guests”
    A: usermod -g guests tx
    B: usermod -G guests tx
    C: gpasswd -a tx guests
    D: gpasswd -M tx guests
  • A

    内容

    • 0

      实现两个相同类型数加法的函数模板的声明是 A: add(Tx,Ty) B: Tadd(x,y) C: Tadd(Tx,Ty) D: Tadd(Tx,y)

    • 1

      Which of the following are the duties of a receptionist? A: providing check-in and checkout services to guests B: answering any questions from the guests C: handling complaints from unsatisfied guests D: taking messages for the guests

    • 2

      Tx是指什么?

    • 3

      7.列表guests=[“萧峰”,”杨过”,”令狐冲”,”张无忌”,”郭靖”],下列选项正确的是( )。 A: guests[2]的值为’杨过’ B: guests[3]的值为’张无忌’ C: guests[-5]的值为’郭靖’ D: guests[-4]的值为’萧峰’

    • 4

      中国大学MOOC: 为使波形同步应使Tx与Ty成整数倍关系,即Ty=n Tx。