【題組】48.By 1970, what proportion of the population in the United States did NOT live in an SMSA?(A)3/

問題詳情

【題組】48.By 1970, what proportion of the population in the United States did NOT live in an SMSA?
(A)3/4
(B)2/3
(C)1/2
(D)1/3

答案：D
難度：適中0.5
統計：A(0),B(1),C(0),D(1),E(0)