木头和金属做的筷子硬度一样大 ( )
-- I had a quarrel with my friend Jim yesterday,and now I _______ it.
-- Why not go and say sorry to him at once?It's never too late to mend.
读图,回答下列问题。
若函数y=m-1xm2-2为反比例函数,则m的值为( )