A:土地可以买卖
B:土地禁止买卖
C:土地私有出现
D:农业水平提高
—Oh, I couldn't feel . I made few mistakes in it.
已知an为等差数列,bn为等比数列,其公比q≠1且bi>0i=1,2,⋯,n,若a1=b1,a11=b11,则( )