题目内容:
During 1930s,why did the percentage of 17-year-olds who graduated from high school jumped greatly?
A.Because they believed high school education is necessary. B.Because they couldn’t find jobs and they had no better choices.
C.Because the cost of going to school was reduced.
D.Because they believed high school education could help them make more money in the future.
参考答案:
答案解析: