25×4____24×5
1+38____1×38
0×5×6____0+5+6
48×4+48____48×5
87×9____89×7
50×8____66×6
Did your grandma ____(dance, danced) in lots of cities?
具有对市场的灵活适应性、且有利于环境保护特点的农业地域类型是( )