慢性水锥型出水可通过()措施,延长无水采气期。 A.控水采气 B.堵水 C.带水采气 发布时间:2017-09-16 01:17 │ 来源:www.tikuol.com 题型:单项选择题 问题: 慢性水锥型出水可通过()措施,延长无水采气期。A.控水采气B.堵水C.带水采气D.排水采气
题型:单项选择题 Fifteen university students from Changjiang University were playing near the river, _____ they heard two little children _____ "help". [ ]A. when; shouting B. while; shoutingC. while; shouted D. when; to shout 查看答案
题型:单项选择题 患者,男,45岁,消化性溃疡反复发作20年,近1个月来出现食欲减退,上腹部饱胀及沉重感,呕吐频繁,呕吐量大且含有酸臭味的宿食,呕吐物中不含胆汁,吐后上腹饱胀减轻,腹痛消失,明显消瘦,可见到上腹部的胃蠕动波、胃型、胃振水音,应首先考虑的诊断是()。A.消化性溃疡合并幽门梗阻B.肠梗阻C.贲门梗阻D.弥漫性腹膜炎E.食管癌 查看答案