– So kind of you to give me a ride to the station. – ___________.
A:Never mind.
B:My pleasure.
C:It doesn't matter.
D:Glad you like it.
①发展封建经济 ②打击旧贵族势力
③刺激宗室成员建立军功的欲望 ④强化对基层的管理
计算,能简算的要简算.
12.5×16×0.5=____