Because noises modulate radio frequency, radio stations use a band of frequencies to prevent interference with other stations.

admin2011-01-06  56

问题 Because noises modulate radio frequency, radio stations use a band of frequencies to prevent interference with other stations.

选项 A、govern
B、adapt
C、temper
D、renovate

答案A

解析 modulate指“调节”,与A项的govern(也可表示“调节”)含义接近。temper“使缓和”;adapt“使适应”;renovate“革新”。
转载请注明原文地址:https://jikaoti.com/ti/sTgsFFFM
0

随机试题
最新回复(0)