阿摩線上測驗
31. A smaller population may mean _______________.
(A) higher productivity, but a lower average income
(B) lower productivity, but a higher average income
(C) lower productivity, and a lower average income
(D) higher productivity, and a higher average income
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統計： A(11), B(66), C(90), D(157), E(0) #1821811
統計： A(11), B(66), C(90), D(157), E(0) #1821811
