①在對(duì)方發(fā)言完畢再提問(wèn) ②在對(duì)方發(fā)言停頓和間歇時(shí)提問(wèn) ③在議程規(guī)定的辯論時(shí)間提問(wèn) ④在己方發(fā)言前后提問(wèn)