唐代的()、()、()代表了这一时期音乐的主要成就。
参考答案:燕乐;曲子;变文
----- There ____ a wonderful football match between Class Four and Class Three during outdoor activity this afternoon. Would you like to watch?
----- Sure, I’d love to.
A.are
B.will be
C.will have
D.has
板式塔的压强降比浮阀塔及固定舌形塔都低,操作弹性范围()。
A.介于两者之间
B.与两者相等
C.比两者都小
D.比两者都大