阿摩線上測驗
23.According to the article, what was the main reason for one-child policy?
(A) Air pollution.
(B) Economy.
(C) Educational qualities.
(D) Technical development.
答案：登入後查看
統計： A(12), B(157), C(21), D(7), E(0) #1573201
統計： A(12), B(157), C(21), D(7), E(0) #1573201
