A:①②
B:①③
C:②④
D:③④
在数列an中,若a1=2,an=11-an-1n≥2,n∈N*,则a2011a2012a2013等于( )
我国的吐鲁番盆地“早穿皮袄午穿纱”的现象,说明当地( )
_____ fans would like to go to Brazil to watch the World Cup.