[audioFiles]audio_eufj_058_20101[/audioFiles]A、He thought that sign languages a

游客2024-03-02  21

问题  

选项 A、He thought that sign languages are substandard languages.
B、He thought that sign languages are natural languages.
C、He thought that sign languages are artificial languages.
D、He thought that sign languages are international languages.

答案 B

解析
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