单项选择题
M: Are you going home for summer holidays?W: I’ve agreed to stay on here as a research assistant.Q: What can be inferred about the woman?（）
A．She will be working during the summer holiday.B．She is looking forward to going home.C．She will travel during the holiday.D．She needs to hire another research assistant.
单项选择题 A．高碳酸血症 B．低氧血症C．两者均有 D．两者均无冠心病，急性肺水肿A． B． C． D．
单项选择题 W: How many classes do you have today?M: Just one, from three to six.Q: What does the man mean?（）
单项选择题 A．血尿酸高于正常 B．尿尿酸240mg/24hC．二者均有 D．二者均无原发性高尿酸血症致痛风肾慢性肾功能不全期A． B． C． D．
