第11题: [单项选择]肺结核外科手术的适应证是() A. 结核性胸膜炎 B. 复活的单侧纤维厚壁空洞,长期内科治疗未能使痰菌阴转者 C. 双侧毁损肺 D. 结核球 E. 支气管内膜结核 参考答案:B
第12题: [单项选择]Why did farmers reject Newbold's plow ( ) A. Their horses were frightened by it. B. They preferred lighter tools. C. It was too expensive. D. They thought it would ruin the land. 参考答案:D