英语 词汇题 简单 把握作者观点与写作意图 — 英语词汇题 大学英语三级(CET-3) 阅读理解-仔细阅读 AI 三重审校通过 题目 Choose the word that best completes the sentence: In the last paragraph, the author gives several examples of air pollution in big cities, mainly to ______ readers of the serious harm it does to health. 登录后查看答案与解析 用此考点生成试卷 更多英语词汇题