According to the text, the immigration wave brought more advantages and impetus to the American economy.
英语阅读与写作（第三次开课）
章节列表
Unit One Writing to Define: What is Stockholm Syndrome?10Unit Two Writing to Classify: Id, Ego and Superego10Unit Three Writing to Exemplify: A Parent’s View10Unit Four Writing to Compare and Contrast: A Fable for Tomorrow10Unit Five Writing to Explore Cause and Effect: Why They Came10Unit Six Writing to Argue: College Today10