第12题: [单项选择]What do they eat for lunch and for supper A. A green salad for lunch and some beefsteak for supper. B. Some bread and potatoes for lunch, and some meat for supper. C. Some bread for lunch and a green salad for supper. 参考答案:A 答案解析:[解析] 根据对话可知午餐是绿色沙拉,晚餐是牛排。故本题答案为A。 [听力原文] <10>-<12> M: What food shall I buy today W: I wan
第13题: [单项选择]流行性斑疹伤寒的实验室诊断方法常选 A. 血常规 B. 病原体接种分离 C. 外斐反应 D. 肥达反应 E. 补体结合试验 参考答案:C