单项选择题
W: Would you mind my visiting your class tomorrow morning, Professor Smith?M: No, not at all. But I don’t have classes tomorrow morning. Perhaps you can go to my class on Friday morning.Q: What do we learn from the conversation?（）
A．He doesn't want her to visit.B．She will visit his class tomorrow morning.C．The class is boring.D．She can't visit his class tomorrow morning.
单项选择题 A．弥漫性甲状腺肿大伴有血管杂音 B．弥漫性甲状腺肿大伴有触痛C．甲状腺肿大、质硬，表面不光滑 D．放射性核素扫描为冷结节Graves病的典型体征
单项选择题 W: Hurry up, darling. We have to meet your aunt at the railway sta6on at 9:25.M: Don’t worry. We still have 40 minutes to go.Q: What time is it now?（）
单项选择题 A．小肠憩室 B．单个小肠肠袢C．大网膜 D．部分小肠肠壁Littré疝是指嵌顿的疝内容物为
