患者,男性,42岁。反复上腹痛6年,今日突发上腹剧痛,迅速扩散到右下腹及全腹。查体:面色苍白,脉搏细弱,腹直肌强直,肝浊音界消失。应首先考虑的是( )
患者,男性,42岁。反复上腹痛6年,今日突发上腹剧痛,迅速扩散到右下腹及全腹。查体:面色苍白,脉搏细弱,腹直肌强直,肝浊音界消失。应首先考虑的是( )
胃溃疡出血
溃疡病合并幽门梗阻
溃疡病急性穿孔
胃溃疡恶变
急性心肌梗死
药物的毒性反应是
Which of the following activities are not communicative activities in teaching speaking?