He is __________ as a leader but he doesn’t have _________in teaching.

A．success; many experience

B．a success; much experience

C．success; an experience

D．success; a lot of experiences

20世纪90年代后我国形成的对外开放格局是（）

A.全方位，多层次、全领域

B.全方位、多层次、宽领域

C.分地区、分步骤、分层次

D.分阶段、分重点、分领域