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声卡的主要功能是支持（）。

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声卡的主要功能是支持（）。

A.图形、图像的输入、输出

B.视频信息的输入、输出

C.波形声音及MIDI音乐的输入、输出

D.文本及其读音的输入、输出

参考答案:

答案：波形声音及MIDI音乐的输入、输出

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