2. 计算机
  3. By using MP3，a 600M-byte music CD can be (1)_____to 50M bytes or less．It can be streamed(downloaded in chunks)so that you can b

By using MP3，a 600M-byte music CD can be (1)_____to 50M bytes or less．It can be streamed(downloaded in chunks)so that you can b

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问题 By using MP3，a 600M-byte music CD can be  (1)_____to 50M bytes or less．It can be streamed(downloaded in chunks)so that you can begin listening to the opening bars while the  (2)_____ ofthe life arrives in the background。And most important，MP3 music files retain good listening  (3)_____ that  (4)______compression schemes lacked．That  (5)_____ of features makes accessing anddistributing music on the Web practical for the first time．
(4)_____
A．earlier
B．front
C．later
D．Backward
选项 A、 
B、 
C、 
D、 
答案A
解析
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