[单项选择]Questions 22 to 25 are based on the conversation you have just heard. A. By paying for single meals. B. By buying a weekend meal card. C. By ordering their meals in advance, D. By borrowing a student’s meal card.
参考答案:A 答案解析:[听力原文] How can weekend guests eat in the cafeteria
由选项可知本题询问如何买饭的细节。本题关键句为“there are ofte
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第1题: [单项选择]与人心肌组织具有共同抗原() A. 大肠杆菌014 B. 溶血性链球菌 C. 变形杆菌OX19 D. 大肠杆菌086 E. 肺炎球菌14型 参考答案:B
第36题: [单项选择]鞍区CT扫描后处理技术不包括() A. 根据不同的部位和病变灵活选用窗宽和窗位 B. 若病变和周围组织密度接近时,可适当调窄窗宽 C. 若伪影较多或需观察局部组织的丰富层次,可调低窗位,并适当调宽窗宽 D. 若伪影较多或需观察局部组织的丰富层次,可调高窗位,并适当缩小窗宽 E. 鞍区CT图像常用软组织窗和骨窗 参考答案:D 答案解析:根据不同的部位和病变灵活选用窗宽和窗位。若病变和周围组织密度接近时,可适当调窄窗宽;若伪影较多或需观察局部组织的丰富层次,可调低窗位,并适当调宽窗宽。鞍区CT图像常用软组织窗和骨窗,软组织窗窗宽350