A-A+ By 1970 what proportion of the population in 2022-08-01 21:03:10 问答库 阅读 167 次 问题详情 By 1970, what proportion of the population in the United States did NOT live in an SMSA?A.3/4B.2/3C.1/2D.1/3请帮忙给出正确答案和分析,谢谢! 参考答案 正确答案:D解析:本题为细节判断题。从第三段最后一句可以看出答案。