2. 外语
  3. A copyright protects authors and creators against______reproduction or use of writings and other original works of authorship fo

A copyright protects authors and creators against______reproduction or use of writings and other original works of authorship fo

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问题 A copyright protects authors and creators against______reproduction or use of writings and other original works of authorship for the life of the author plus 50 years.
选项 A、undermined
B、unduplicated
C、unexpired
D、unauthorized
答案D
解析 形容词词义辨析。undermined“潜行的，被破坏的”；unduplicated“未复制的”；unexpired“未到期的”；unauthorized“未被授权的”。根据版权的相关知识，可知答案为D。
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