试题题干
The 1920s in the United States has been described by many historians as a period of （ ）.
参考答案
正确答案：
试题解析
许多历史学家将美国20世纪20年代描述为物质成功(material success)和精神挫折(spiritual frustration)或混乱(confusion)和无目的(purposelessness)的时期。