A.善聽(tīng) B.對(duì)立 C.觀察 D.敏銳
A.維護(hù)自身權(quán)威 B.探究問(wèn)題 C.進(jìn)一步說(shuō)明情況 D.對(duì)聽(tīng)眾反應(yīng)反饋