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【简答题】
衡量声卡性能的技术指标主要有数字/模拟转换方式、（）、MIDI功能、分辨率、信噪比等。
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】听力原文：W: This machine has so many buttons．I can't figure out which one makes it run． M: You'd better read the instructions first Pressing the buttons at random may cause the machine to break down． Q: W...
A.
Read the operational manual.
B.
Try the buttons one by one.
C.
Make the machine run slowly.
D.
Ask her instructor for advice.
【单选题】The machine is too old. Don't make it ______ for long time. [ ]
A.
run
B.
to run
C.
running
D.
runs
【单选题】---Would you please show me ___ to run the machine?----Sure.
A.
which
B.
what
C.
how
D.
when
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