巴族的舞蹈出现在古代史籍的记载中的是()。
A.巫舞
B.傩舞
C.《巴渝舞》
D.昭武舞
参考答案:C
_____ works entered the writing competition this year than last year. [ ]
A. Many more
B. Too many
C. Much more
D. Too much
某事故树的结构函数为T=X1+X1X2+X1X3,则导致该事故的最基本原因是( )。
A.X1,X1X2,X1X3 B.X1,X1X3C.X1 D.X2,X3