—The TV says that it will rain harder this weekend.
—_______. We’re planning to have a picnic.
A:I don’t think so
B:I hope so
C:I’m afraid not
D:I hope not
306×5=____
508×8=____
67×6=____
读图题
《史记·周本纪第四》记载,(武王)封尚父(姜子牙)于营丘,日齐。这反映了当时实行的制度是( )