学习有压力是正常的,下面缓解学习压力的有效方法是( )
如图,抛物线y=ax2+bx+c(a、b、c为常数,a≠0)经过点A(﹣1,0),B(5,﹣6),C(6,0).
— This wine tastes a little bit strange.
— It is. It is made _____ apples.