第2题: [单项选择]Questions 21—23 are based on a global boycott of KFC. You now have 15 seconds to read Questions 21—23.How many chickens become the KFC chain’s fried meals every year A. 500 million, B. 600 million. C. 700 million. D. 800 million. 参考答案:C 答案解析:[听力原文]21-23 People for the Ethical Treatment of Animals, the animal welfare group, is beginning
第5题: [单项选择]男性,40岁,HBsAg(+)30年,2个月来发热并右上腹痛。查体:体温39℃,肝肋下5cm,中等硬度,表面稍不平,压痛(+)。甲胎蛋白(+)。何种解释不正确() A. 肝脏CT检查阴性(肿物直径<2cm) B. 肝脏B超检查阴性(肿物<2cm) C. X线肝血管造影阴性(肿瘤直径<1cm) D. 放射性核素肝显像阴性(肿物直径<3cm) E. AFP阴性(可以否定肝癌) 参考答案:E
第11题: [单项选择]医院感染中下呼吸道感染的诊断标准是() A. 痰菌定量培养分离病原菌数≥103cfu/ml B. 痰菌定量培养分离病原菌数≥104cfu/ml C. 痰菌定量培养分离病原菌数≥105cfu/ml D. 痰菌定量培养分离病原菌数≥106cfu/ml E. 痰菌定量培养分离病原菌数≥107cfu/ml 参考答案:D 答案解析:医院感染中发生下呼吸道感染时,病原学诊断痰细菌定量培养分离病原菌数≥106cfu/ml。