【单选题】2000年某县发现喘憋性肺炎的流行,暴露总人口数为l8 217,经调查诊断发病例数共2782例,有23名急性患者死亡,下列说法正确的是
【简答题】If a speaker of one speech variety wants to understand a speaker of another speech variety, understanding is more likely than______.
【单选题】The speaker will introduce six departmental managers one by one.
【单选题】患者男性,89岁,因“反复气促4年余,突发胸闷、气促6小时”来诊。入院时间:10月23日14:09,出院时间:11月07日10:00。患者体重指数18.9kg/m。诊断:
①冠心病、陈旧性心肌梗死、心功能Ⅳ级、急性心力衰竭;
②高血压病3级(极高危)。医师予强心利尿等对症支持治疗和冠心病二级预防。由于患者心脏明显扩大,心率达100~110次/分,左心室射血分数(LVEF)仅为30%,医师给予硝...
【单选题】The speaker will introduce six departmental managers one by one.