1.与某人争论某事__________________________________

48.___________adj.残疾的；伤残的→n.______________

47.___________v.举止；举动；行为表现→n.________________

46.___________n.印象；感想→v.________；给某人留下印象____________________

45.___________adj.无理的；粗鲁的→有礼貌的__________;n.______________

44.___________n.习惯；风俗；传统→海关____________；顾客_____________

43.___________n.方式；样式；方法→礼貌；规矩___________；有礼貌_________________

42.____________vt.介绍；引进；提出→n._____________；自我介绍___________________

41.____________vi.道歉→n.__________;向某人道歉___________________________

40.__________v.打断；中断→n._____________