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．contrived
B．converted
C．magnified
D．manifested
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单项选择题
In 1954 a survey _________ that nearly two out of every three men, women, and children in the United States now are protected by health insurance.
A．inherited
B．inhibited
C．induced
D．indicated
单项选择题
Last year when he traveled in France he pretended to be French, but his German_________ give him away.
A．accent
B．accessory
C．consensus
D．consent
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