单项选择题

When a machine analyses the frequencies used by a particular voice and draws a graph of them, sound is ______ electronically into a pattern of lines.

A．relieved
B．converted
C．magnified
D．burst
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单项选择题
One of the most spectacular qualities of man is notably his ______ to any kind of natural environment.
A．inclination
B．domination
C．adaptability
D．availability
单项选择题
I'm in no ______ this evening to listen to his silly jokes.
A．emotion
B．mood
C．tendency
D．sense
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