問題詳情

64.The post-World War II baby resulted in a 43 percent increase in the number of teenagers in the 1960s and 1970s.
(A) boost
(C) production
(B) boom
(D) prosperity

參考答案

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