第18题: [单项选择]第六组： 患者，女，43岁，右下腹持续性疼痛5天，伴恶心、呕吐，呕出物为胃内容物。体温38.5℃。体检发现右下腹5cm×5cm大小肿块，触痛明显。 根据以上资料，最可能的诊断是 A. 粪块所致肠梗阻 B. 盲肠肿瘤 C. 急性化脓性阑尾炎 D. 阑尾周围脓肿 E. 盲肠扭转 参考答案:D
第29题: [单项选择]A. They can invite guests to meals at a reduced price. B. They receive cards that allow them to be served first. C. They can help decide what will be on the menu. D. They pay less per meal than those who eat there only part of the time. 参考答案:D 答案解析:[听力原文] How does the new plan benefit the students who eat all their meals at the school cafeteria
