2. 外语
  3. A Digital Code Has Wide Applications B Floppy Disks Are Outdated C CDs Are Durable D CD’s Working Principle Is Explained E

A Digital Code Has Wide Applications B Floppy Disks Are Outdated C CDs Are Durable D CD’s Working Principle Is Explained E

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问题 A  Digital Code Has Wide Applications
B  Floppy Disks Are Outdated
C  CDs Are Durable
D  CD’s Working Principle Is Explained
E  CD-RWs Play Better Than CD-ROMs
F  CDs Are of Many Formats
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选项
答案B
解析 第六段能找到与答案有关的句子，即It may not be many more years before a completely new technology is invented and introduced to the public for music recording．
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