Only when a maxim under Cooperative Principle is blatantly violated and the hearer knows that it is being violated do conversational implicature arise.
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Utterance is based on sentence meaning; it is the realization of the abstract meaning of a sentence in a real situation of communication or simply in a context.
A. 对
B. 错
苯妥英钠治疗癫痫时不会出现的不良反应为（）
A. 齿龈增生
B. 幼红细胞性贫血
C. 肠道反应
D. 三叉神经痛
49.主要用于静脉麻醉的是
A. 苯巴比妥
B. 戊巴比妥
C. 异戊巴比妥
D. 司可巴比妥
E. 硫喷妥钠
50.解救苯巴比妥类药物中毒的错误用药
A. 高锰酸钾溶液洗胃
B. 硫酸镁导泻
C. 静脉滴注碳酸氢钠碱化尿液
D. 静脉滴注呋塞米利尿
E. 静脉注射甘露醇利尿
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