阿摩線上測驗
48. What did Arnall’s second equation have in common with the first one in terms of factors?
(A) Higher salaries
(B) Warmer weather
(C) Greater road conditions
(D) Better childhood memories
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統計： A(3), B(88), C(10), D(16), E(0) #2062611
統計： A(3), B(88), C(10), D(16), E(0) #2062611
