She doesn't like fruit. Her ____ habit isn't good. (eat)
5+3-6=( )
-- Only about three weeks.
黄海海战后光绪帝垂泪撰联:“此日漫挥天下泪,有公足壮海军威”,这副挽联纪念的是( )
不等式x+12-x≤0的解集为( )