下列关于人体消化的叙述,正确的是（ ）
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，____ ____ .
把抛物线 y=12x2 平移得到抛物线m，抛物线m经过点A（-6，0）和原点O（0，0），它的顶点为P，它的对称轴与抛物线 y=12x2 交于点Q．
