中国古代八音含义为()
A.各个地区的音乐
B.各种音高的乐音
C.各个乐器的分类
D.各种地区和乐器
参考答案:C
— can you finish the report on food safety?
— In two days.
A.How far
B.How much
C.How often
D.How soon
三角形、矩形、喇叭形和楔形都是整理形态。( )