My brother ______ a soccer ball and I _____one.
A:have, has
B:has, have
C:have, have
D:has, has
下列命题正确的是( )
已知抛物线与x轴交于点(﹣1,0),(2,0),且过点(1,3),求这条抛物线的解析式.
小明利用图中的压强计进行探究液体内部压强的实验.