阿摩線上測驗
5 The artist mixed three inks to create the color spectrum he was seeking—a seamless _________ from dark to light blue.
(A)breakthrough
(B) constituent
(C) dimension
(D) gradation
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統計： A(2), B(7), C(8), D(16), E(0) #1670208
統計： A(2), B(7), C(8), D(16), E(0) #1670208
