ENA抗原中主要包括下列哪些抗原（）
A.Sm
B.RNP
C.Jo-1
D.Scl-70
E.SSA和SSB
参考答案：A, B, C, D, E
Michael Jackson gained popularity at a time when MTV was establishing _____ as a creative force.
A．it
B．him
C．himself
D．itself
到达主义
