2025-2026学年高中英语人教版（2019）选择性必修三 Unit 4 Adversity and Courage 单元检测卷 （B卷） 一、填空题 (共10小题；每小题4分，满分40分) 1.Something should be done to prevent_______ (retire) people from feeling lonely and useless. 2.The nine coal miners had been trapped in the coal mine...