Do you have a baseball bat?
Yes,____ ____ .
Does Ann have a baseball?
No, ____ ____ .
Do Jack and Jim have computers?
Yes, ____ ____ .
Does Chi Yong have a soccer ball?
No,____ ____ .
Do you have a tennis racket?
No,____ ____ .
下列属于五大湖工业中心的是( )
反比例函数y=﹣2x的比例系数k是____ .
阅读有关地图,回答下列问题。