—Yes. It's fantastic. I learned a lot it.
A:to
B:with
C:on
D:from
关于影响聚落形成和发展的因素叙述正确的是 ( )
若x,y为实数,且满足|x﹣3|+y-3=0,则(xy)2012的值是____
真核生物的遗传物质存在于( )