第10题: [单项选择]Where is Mary going A. Miss Gao and her friends. B. Miss Gao and her family. C. Miss Gao and her pictur 参考答案:B 答案解析:[听力原文] M: Hello, Miss Gao! What’s that F: It’s a picture of my family.
第12题: [单项选择]When you are with an old man, you should do all except ______. A. standing up when you have a talk with him B. giving your seat to him on the bus C. interrupting him if he talks too much D. showing your respect to him 参考答案:C
第21题: [单项选择]下列对细菌血清学诊断的描述中不正确的是()。 A. 血清学诊断试验取患者急性期和恢复期双份血清标本,当后者的抗体效价比前者升高4倍以上才有意义 B. 伤寒、副伤寒的肥达试验属于直接凝集试验 C. 立克次体的外斐试验属于沉淀试验 D. 乳胶凝集试验可用于检测脑膜炎奈瑟菌、流感嗜血杆菌等抗体 E. 风湿病的抗O试验属于中和试验 参考答案:C 答案解析:常用于细菌性感染的血清学诊断方法有直接凝集试验(伤寒、副伤寒的肥达试验,立克次体的外斐试验,钩端螺旋体病的显微镜凝集试验等);乳胶凝集试验(检测脑膜交奈瑟菌、流感嗜血杆菌等抗体);沉淀试验(梅毒的VD