我国封建社会宰相制度确立和废止的朝代分别是 [ ]
A、春秋、元朝
B、秦朝、清朝
C、西汉、清朝
D、秦朝、明朝
答案:D
On seeing that the famous actress came onto the stage with her boy friend _______ her, all the fans burst out screaming.
A.accompanying with
B.accompanying
C.accompanied with
D.accompanied
钢板吊架与大梁的连结,其最普遍又最完善的办法是()
A.焊接
B.用螺丝锁紧
C.铆接或焊接
D.铆接