問題詳情

52.According to this passage, the American households using digital cameras will increase if ______.
(A) their producers invest more money
(B) their operation becomes simpler
(C) their salesmen are more friendly
(D) their quality keeps improving

參考答案

答案:D
難度:適中0.666667
統計:A(0),B(0),C(0),D(2),E(0)

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