—He used to here, but he gets used to in a modern city with his son.
A:live, live
B:living, living
C:living, live
D:live, living
主要分布在30°~40°之间的大陆西岸的气候类型是 ( )
A.M可能是铝 B.反应前后M的化合价发生了改变
C.Ag的金属活动性比强 D.____.
已知二次函数y=ax2+bx-3的图象经过点A(2,-3),B(-1,0).