42. A competitive market helps to _______ efficiency. (A) adopt (B) develop (C) generate (D) promote

問題詳情

42. A competitive market helps to _______ efficiency.
(A) adopt
(B) develop
(C) generate
(D) promote

參考答案

答案：D

統計：A:25,B:148,C:70,D:220,E:0

難度：適中

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