题型:选择题 No one really knows exactly dfwhen the first people arrived in we now know as CaliforniaA.whatB.whenC.whereD.which 查看答案
题型:单项选择题 支气管哮喘患者,持续发作24小时,大汗淋漓,发绀,端坐呼吸,双肺散在哮鸣音。首选的治疗是()A.654-2静脉注射B.补液+氨茶碱+β2受体激动剂C.沙丁胺醇雾吸入+溴化丙托品吸入D.色甘酸钠吸入+糖皮质激素E.补液+糖皮质激素静脉滴注+氨茶碱静脉滴注 查看答案