因呕血住院的患者,下列哪项表现最能支持其存在门脉高压() A.脾大 B.腹壁静脉曲胀 发布时间:2017-08-12 19:30 │ 来源:www.tikuol.com 题型:单项选择题 问题: 因呕血住院的患者,下列哪项表现最能支持其存在门脉高压()A.脾大B.腹壁静脉曲胀C.痔核D.食管下段静脉曲胀E.腹水
题型:单项选择题 The rate of racial progress varies in different areas of the country, but in the past ten years _________ more improvement.A.there isB.it isC.there have beenD.there has been 查看答案