A:I called you yesterday. You didn't answer it. B:Oh, sorry. I_ in the bathroom at that time.
A:was taking a shower
B:took a shower
C:take a shower
已知集合A={x|a﹣1<x<2a+1},B={x|0<x<1}
(1)若a=12,求A∩B.
(2)若A∩B=∅,求实数a的取值范围.
2014年11月8日,***主席在加强互联互通伙伴关系对话会上说:“亚洲各国就像一盏盏明灯,只有串联并联起来,才能让亚洲的夜空灯火辉煌。”这表明我国坚持( )