第14题: [单项选择]{{B}}Passage One
Questions 26 to 28 are based on passage you have just heard.{{/B}} A. Forty percent. B. Seventy percent. C. Forty five percent. D. Seventy five percent. 参考答案:D 答案解析:[听力原文]
What percentage of the American young people graduate from high school by 1970
[解析] 细节题。