I______goingforawalkaftersupper.Doyouwanttogotogetherwithme?
A、hadtobe
B、wouldlike
C、feellike
D、preferto
若A、B为5阶方阵，且Ax=0只有零解，且r(B)=3，则r(AB)=_________________.
AlthoughLindatriedhardintheexam,shedid______thanherbrother.
A、morebadly
B、muchbetter
C、muchbadly
D、muchworse
Willyou_________playingbasketball?
A、joinusin
B、jointo
C、joinusto
D、tojoinus
借款人在外国证券市场上发行以该国货币为面值的债券是指()
A、欧洲债券
B、外国债券
C、政府债券
D、企业债券