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When a machine analyses the frequencies used b

2022-08-05 14:47:31 问答库 阅读 169 次

问题详情

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请帮忙给出正确答案和分析,谢谢!

参考答案

正确答案:B
解析:动词辨义。convert意为“转变,转换”,如:Heatconvertswaterintosteam.(热使水变为蒸汽。)relieve意为“减轻,解除”,如:Thisremedywillrelievethepain.(这种治疗将会减轻痛苦。)magnify意为“放大”,如:Themicroscopemagnifiedtheobjectonehundredtimes.(显微镜把物体放大了一百倍。)burst意为“爆炸,破裂”,如:Theboilerburnt.(锅炉爆炸了。)根据题意,声音被转化为线状模式,故选B)。

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