一 Don't you think it is ______ for us to read everyday?
一 Yeah. Reading can make us smart.
A:important
B:popular
C:strange
用配方法解方程x2+4x-1=0,下列配方结果正确的是( )
以知集合M={0,1},P={x|13<3x+1<9,x∈N},则M∩P=( )
罪恶的“三角贸易”航程路线是( )