题型:问答题 简答题 Melody has a great interest in planting flowers, but her sister ______. She can’t even stay in the garden for one minute.A.can’tB.hasn’tC.doesn’tD.isn’t 查看答案
题型:问答题 简答题 患者男性,40岁,患肝硬化多年。昨日因吃鱼后出现呕血,量多,为鲜红色血块。入院后测血压,收缩压为10kPa,脉搏130次/分,患者神志恍惚、四肢厥冷、面色苍白。对该患者首选的止血措施为()。A.去甲肾上腺素加生理盐水分次口服B.凝血酶溶液口服C.冰盐水洗胃D.双气囊三腔管压迫止血E.纤维胃镜直视下止血 查看答案