单项选择题
A.SPK B.Line In C.Line Out D.MIC In
A、一次性写入可重复读取光盘 B、多次写入可重复读取光盘 C、ROM光盘 D、RAM光盘
A.12 B.10 C.7 D.5
A.4.7GB B.650MB C.128MB D.1.44MB
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