题目内容

The Set time display fields and the View time fields show the beginning, ending, and total time of the selection and the waveform currently in the Waveform display respectively.

A. 对
B. 错

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Always choose stereo files because they are needed by all of us.

A. 对
B. 错

If you record your own voice, first press the Record button, begin to speak and finally hit Stop button when you finish recording.

A. 对
B. 错

Press Undo in the Edit menu and you can travel back to previous states of the audio file.

A. 对
B. 错

You can hit the Undo button only once to remove one edit.

A. 对
B. 错

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