题目

  When students and parents are asked to rate subjects according to their importance, the arts are unavoidably at the bottom of the list．Music is nice, people seem to say, but not important．Too often it is viewed as mere entertainment, but certainly not an education priority（优先）．This view is shortsighted．In fact, music education is beneficial and important for all students． Music tells us who we are．Because music is an expression of the beings who create it, it reflects their thinking and values, as well as the social environment it came from．Rock music represents a life在函数y=x+12x-1中，自变量x的取值范围是x≥-1且x≠12x≥-1且x≠12．