英语 填空题 简单 环境问题常用词汇与表达 — 英语填空题 大学英语听说 Environment and Society AI 三重审校通过 题目 Fill in the blank with the correct word: The release of harmful gases from factories into the air is called air ___. This kind of ___ is one of the most serious environmental problems facing our society today. 登录后查看答案与解析 用此考点生成试卷 本单元全部练习题 更多英语填空题