A: What ____ your sister ____ (do) on the weekend?
B:She often ____ (watch) TV.
下列字词当中,读音有误的一项是( )
函数f(x)的定义域为R且满足:f(x)是偶函数,f(x-1)是奇函数,若f(0.5)=9则f(8.5)等于( )