第23题: [单项选择]What does the woman mean A. He has got a headache. B. His foot was hurt (使受伤,伤害) yesterday. C. She has got a headache. 参考答案:B 答案解析:[听力原文] A: Is everyone here B: No. John hurt his foot yesterday and has to stay at home. A:
第31题: [单项选择]下列选项中与原发性肺结核特点相符的是() A. 右肺尖结核病变 B. 肺门厚壁空洞 C. 肺门、纵隔淋巴结肿大 D. 右肺阴影 E. 双肺粟粒样改变 参考答案:C 答案解析:原发性肺结核系肺结核的一种类型,多发生在儿童或少年。当人体首次感染结核杆菌时,大多数产生免疫力而不发生肺结核,但有少数发展为原发性肺结核。主要病变表现为肺内原发病灶、引流淋巴管炎、肺门淋巴结肿大(总称