维生素C和食盐都是人体所需要的重要物质。下列说法正确的是( )。
函数y=ln|x﹣1|的图象与函数y=﹣cosπx(﹣2≤x≤4)的图象所有交点的横坐标之和等于( )
— Rosie, Could you lead me to the school hospital? I don't know the way.
— No problem. Let's go.