According to the author, why are synthetic materials especially appealing to young people?
答案: Because they are usually cheap.
本门课程完整答案:点击这里,查看 大学英语综合教程(高级)(郑州科技学院) 中国大学mooc答案满分完整版章节测验 m99029
答案: Because they are usually cheap.
本门课程完整答案:点击这里,查看 大学英语综合教程(高级)(郑州科技学院) 中国大学mooc答案满分完整版章节测验 m99029