• 2022-06-07 问题

    GPRS的英文全称为:()。 A: AGlobal Packet Radio Service B: BGeneral Packet Radio Service C: CGeneral Packet Radio System D: DGlobal Packet Radio System

    GPRS的英文全称为:()。 A: AGlobal Packet Radio Service B: BGeneral Packet Radio Service C: CGeneral Packet Radio System D: DGlobal Packet Radio System

  • 2022-06-07 问题

    You can see()on the table. A: a packet of prawn B: two packets of prawn C: a packet of praw

    You can see()on the table. A: a packet of prawn B: two packets of prawn C: a packet of praw

  • 2021-04-14 问题

    PSTN (public switched telephone network) consists:

    PSTN (public switched telephone network) consists:

  • 2022-06-06 问题

    Please fasten your seat belt, open the sunshade, and make sure all electronic devices have been _____ A: switched off B: open C: switched on D: closed

    Please fasten your seat belt, open the sunshade, and make sure all electronic devices have been _____ A: switched off B: open C: switched on D: closed

  • 2022-05-31 问题

    Xiao Fei always keeps his phone switched on.

    Xiao Fei always keeps his phone switched on.

  • 2022-07-23 问题

    the ____ of love notes A: packet B: delivery

    the ____ of love notes A: packet B: delivery

  • 2022-06-07 问题

    Before the machine is switched on, ensure that no one can _________ when the machine is running.

    Before the machine is switched on, ensure that no one can _________ when the machine is running.

  • 2022-06-16 问题

    5. They switched m________ every 10-12 miles. (--a horse that you ride on)

    5. They switched m________ every 10-12 miles. (--a horse that you ride on)

  • 2022-06-16 问题

    5. They switched m________ every 10-12 miles. (--a horse that you ride on)‌

    5. They switched m________ every 10-12 miles. (--a horse that you ride on)‌

  • 2022-06-01 问题

    通常,我们把传输层、网络层、数据链路层、物理层的数据依次称为() A: 帧(fram,数据包(packet),段(segment),比特流(bit) B: 段(segment),数据包(packet),帧(fram,比特流(bit) C: 比特流(bit),帧(fram,数据包(packet),段(segment) D: 数据包(packet),段(segment),帧(fram,比特流(bit)

    通常,我们把传输层、网络层、数据链路层、物理层的数据依次称为() A: 帧(fram,数据包(packet),段(segment),比特流(bit) B: 段(segment),数据包(packet),帧(fram,比特流(bit) C: 比特流(bit),帧(fram,数据包(packet),段(segment) D: 数据包(packet),段(segment),帧(fram,比特流(bit)

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