陕西榆林地区“乌金(煤)遍地”,资源非常丰富。5年前开始,该地“村村点火,处处冒烟”,被人们戏称为“黑三角”。据此回答下列各题。
—I think it is enjoyable, I sometimes have some trouble in study.
下列词语中加线的字,每对读音都完全相同的一组是( )
— Which do you like better, beef noodles or tofu noodles?— I ______ beef noodles to tofu noodles. I used to have them for breakfast.
将多项式x5y﹣9xy5分别在下列范围内分解因式:(1)有理数范围;(2)实数范围;(3)复数范围.