第30题: [单项选择]肺窗合适的窗宽、窗位是() A. WW100,WL40 B. WW400,WL50 C. WW1500,WL300 D. WW1500,WL-400 E. WW3000,WL-800 参考答案:D
第31题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. Lisa is having a hard time in school. B. Lisa is expecting a baby. C. Lisa is often very tired. D. Lisa is very busy this term. 参考答案:D 答案解析:[听力原文]
M: I didn’t expect Lisa to spend so much of her time helping me.
W: She really has a tight