Everyone has the right to be treated with ____( 尊重).
偶函数f(x)=Asin(ωx+φ)(A≠0,ω>0,0≤φ≤π)的图象向右平移π4个单位得到的图象关于原点对称,则ω的值可以为( )
Our teachers were very happy because ______ failed the exam.
①F(x)=|f(x);
②函数F(x)是偶函数;
③当a<0时,若0<m<n<1,则有F(m)﹣F(n)<0成立;
④当a>0时,函数y=F(x)﹣2有4个零点.
其中正确命题的序号为____.