第21题: [单项选择]胃、十二指肠溃疡急性穿孔最可靠的诊断依据是() A. 上腹部刀割样剧痛 B. X线检查可见膈下游离气体 C. 板状腹 D. 腹部压痛、反跳痛 E. X线检查可见小的液一气平面 参考答案:B 答案解析:溃疡穿孔后,胃肠道气体进入腹腔,立位时向膈下聚集,X线检查表现为膈下游离气体,是诊断溃疡急性穿孔最重要的依据。
第28题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. Straight ahead on the street. B. On the left. C. On the right. D. Over there. 参考答案:B 答案解析:[听力原文]
M: Excuse me, please! Where’s the school
W: Which one The Infants’ School is over there.