2. 外语
  3. We______our voice depending on the circumstances, particularly in relationship to background noise.

We______our voice depending on the circumstances, particularly in relationship to background noise.

admin2017-06-11  44
问题 We______our voice depending on the circumstances, particularly in relationship to background noise.
选项 A、improve
B、modulate
C、rectify
D、temper
答案B
解析 A项improve“改善”；B项modulate“调节，调整”；C项rectify“改正”；D项temper“调和”。
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