There is something wrong with my car , I want to have it ____
A:repair
B:repairs
C:repaired
D:repairing
阅读唐朝诗歌:尽道隋亡为此河,至今千里赖通波。若无水殿龙舟事,共禹论功不较多。根据所学知识回答:
是建国以来党的历史上具有深远意义的伟大转折,是改革开放的开端( )