2. 外语
  3. Braille, the universally accepted______ of writing used by blind persons, consists of sixty-three characters.

Braille, the universally accepted______ of writing used by blind persons, consists of sixty-three characters.

admin2012-03-02  69
问题 Braille, the universally accepted______ of writing used by blind persons, consists of sixty-three characters.
选项 A、catalog
B、system
C、pattern
D、scheme
答案B
解析 catalog“目录”；system“系统”：pattern“模式”；scheme“方案”。
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大学英语四级

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