小儿扁桃体过度肥大常可引起的是（）。
A.刺激性咳嗽
B.呼吸不畅
C.睡眠打鼾
D.吞咽阻挡感
E.言语缺乏共鸣
参考答案：A, B, C, D, E
He turns a deaf ear to his parents, _____ many times they have pointed out his weakness.
A．whatever
B．whichever
C．whenever
D．however
对水灾，地震、劫机、领导人更换、 * * 变动等重大事件的报道与解释，请用大众传播的社会功能理论予以分析。
