下列关于土地改革意义的说法不正确的是( )
如图,点A,B,C,D在同一条直线上,点E,F分别在直线AD的两侧,且AE=DF,∠A=∠D,AB=DC.
(1)求证:四边形BFCE是平行四边形;
(2)若AD=10,DC=3,∠EBD=60°,则BE等于多少时时,四边形BFCE是菱形.
函数f(x)=(12)x2-x-2的单调递增区间为( )
It's hard to stop smoking, a____people know it's really harmful.