[试题](3)音阶(Scale)
[名词解释] 五声音阶(Pentatonic scale)
[填空题] 东亚音乐多采用()音阶,中亚和西亚采用()音阶。
[单选题]This was disaster on a cosmic scale.A . modestB . hugeC . commercialD . national
[单选题]Nobody had predicted the scale of impact of ( ) communications and that it world be one of the largest businesses in the history of mankind with and immense impact on all economies.[1分]A.microwaveB.satelliteC.cellD.cellular