●By using MP3，a 600M-byte music CD can be (70) to 50M bytes or less.It can be streamed(downloaded in chunks)so that you can begin listening to the opening bars while the (71) of the file arrives in the background．And，most important，MP3 music files retain

题目

●By using MP3，a 600M-byte music CD can be (70) to 50M bytes or less.It can be streamed(downloaded in chunks)so that you can begin listening to the opening bars while the (71) of the file arrives in the background．And，most important，MP3 music files retain good listening (72) that (73) compression schemes lacked．That (74) of features makes accessing and distributing music on the Web practical for the first time.

(70) A．pressed

B．compressed

C．press

D．compress

(71) A．past

B．other

C．rest

D．host

(72) A．voice

B．mass

C．quantity

D．quality

(73) A．earlier

B．front

C．backward

D．later

(74) A．add

B．combination

C．difference

D．condition

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更多“●By using MP3,a 600M－byte music CD can be (70) to 50M bytes or less.It can be streamed(dow ”相关问题

  • 第1题：

    下面关于CAN总线的叙述中，正确的是：（）。

    A.CAN能够实现多主通信方式

    B.CAN通信时采用奇偶校验方式

    C.各型ARM芯片均没有内嵌CAN控制器，只能通过外扩CAN控制器的方式才能形成CAN节点接入CAN总线

    D.CAN采用长帧通信，一个数据帧最多可以传送128个字节


    正确答案：A

  • 第2题：

    奔驰W211车门控制单元连接的总线系统属于 。

    A．CAN -B

    B．CAN- C

    C．CAN -D

    D．MOST


    错误

  • 第3题：

    大众车系舒适CAN总线系统中CAN-H和CAN-L之间没有终端电阻。


    错误

  • 第4题：

    ---- Look! The man at the gate ________ be our headmaster. He is always standing there every morning.

    --- - No, it ________ be him. He is holding a meeting in the office now.

    A.must, can’t B.must, mustn’t C.can’t, can’t D.can’t, mustn’t


    正确答案：A

  • 第5题：

    大众车系舒适CAN总线睡眠时，CAN-H的电压是0V，CAN-L的电压是 。


    D

  • 第6题：

    关于汽车CAN-BUS总线系统说法错误的是 。

    A．CAN-C总线可以单线模式运行

    B．CAN-B总线可以单线模式运行

    C．CAN-BUS总线是双绞线物理结构

    D．CAN-BUS总线实行双向数据传输


    CAN-BUS 总线实行双向数据传输

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