第3题: [单项选择]Passage One Questions 26 to 28 are based on the passage you have just heard. A. Three. B. Four. C. One. D. None. 参考答案:A 答案解析:[听力原文] (26) Many a fire is caused by carelessness, laziness and stupidity. Many people are ca
第36题: [单项选择]X线平片提示可能存在慢性胰腺炎的征象是() A. 胰腺区多发性小结石和钙化 B. 十二指肠环增大、淤张、充气 C. 十二指肠黏膜皱襞增粗,降段内缘受压 D. 结肠充气,结肠切断征 E. 胸腔积液 参考答案:A 答案解析:慢性胰腺炎X线平片可出现胰腺钙化和胰腺结石形成,呈斑点状,胰石多位于主胰管内,大小不等。