The lecture given by the professor from Nanjing University covered the ________of audio d

The lecture given by the professor from Nanjing University covered the ________of audio devicesbeginning with Thomas Edison's first recording.

Achange  Brevolution

Creform  Devolution

答案

D 考查词义辨析。change“改变revolution“革命reform“改革evolution“演变,逐步发展。此处指音频设备的发展(过程)”

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