A. 腹股沟斜疝 B. 脐疝 C. 股疝 D. 白线疝 E. 腹股沟直疝
A. 克罗恩病 B. 肠多发性息肉 C. 结肠黏膜相关性淋巴瘤 D. 肠结核 E. 溃疡性结肠炎
A. is polite and gracious to foreigners B. makes jokes about the host culture C. finds the native people unsympathetic D. enjoys the customs of the host culture