─Shall we go shopping together this afternoon?
─ ____ .My mother will take me to see my grandparents.
A:That sounds great!
B:Yes,I'd like to.
C:OK,see you!
D:Sorry,I can't.
如图,已知∠AOC=∠BOD=90°,∠AOD=120°,则∠BOC的度数为( )
同被伊斯兰教、基督教、犹太教教徒奉为圣城的是( )
如果二次函数y=ax2+bx+c(a≠0)的图象如图所示,那么( )