参考答案和解析
正确答案:D
解析:利用网上聊天人们可以实时地与全世界的人进行通信。
更多“With ______ you can communicate in real time with people all around the world.A.E-mailB.WW ”相关问题
  • 第1题:

    Must we clearn the room before we leave?No, you _______

    A.mustn't

    B.can't

    C.needn't


    参考答案:C

  • 第2题:

    Must I stay at the office this afternoon? ---No, you ______.

    A、don’t

    B、needn’t

    C、don’t need

    D、can’t


    参考答案: C

  • 第3题:

    —_______ I return the book to the library this week?— No, you _______.You can keep it until the end of this month.

    A.Must; needn’t

    B.Can; can’t

    C.May; mustn’t

    D.Can; mustn’t


    答案:A

  • 第4题:

    You ( ) Jenny at the meeting this morning because she left for Hong Kong last night.

    A、wouldn’t have seen

    B、shouldn’t have seen

    C、mustn’t have seen

    D、can’t have seen


    参考答案:D

  • 第5题:

    Just be patient. You ( ) expect the world to change so soon.

    A、will not

    B、may not

    C、can't

    D、needn't


    参考答案:C

  • 第6题:

    Circuit-switching technology is used in Public Switched Telephone Network(PSTN), Global System for Mobile Communications(GSM) and Code Division Multiple Access(CDMA). It is a ( ) information transfer mode.

    A.Connection oriented
    B.connectionless
    C.High bandwidth utilization
    D.Poor-real-time

    答案:A
    解析:
    电路交换技术用于PSTN、GSM和CDMA,它是一种(72)信息传输模式。