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A Digital Code Has Wide Applications B Floppy Disks Are Outdated C CDs Are Durable D CD’s Working Principle Is Explained E
A Digital Code Has Wide Applications B Floppy Disks Are Outdated C CDs Are Durable D CD’s Working Principle Is Explained E
admin
2009-06-15
86
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B Floppy Disks Are Outdated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
*
选项
答案
C
解析
第二段说到在CD机上还原数码时依靠的是激光发射装置和接收器。由此我们可以推论出激光发射器和接收器是CD机的主要部件。所以C是答案。
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本试题收录于:
职称英语理工类基础题库职称英语分类
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职称英语
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