Braille, the universally accepted ______ of writing used by blind persons, consists of sixty three characters.

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问题 Braille, the universally accepted ______ of writing used by blind persons, consists of sixty three characters.

选项 A、mode
B、system
C、pattern
D、scheme

答案B

解析 单词辨义。依题意,应为“盲人使用的书写方法。”选择项中只有system意为方式、方法。故选B。
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