阿摩線上測驗
31. What is the best title for this passage?
(A) The early history of printing presses
(B) The life of Johann Gutenberg
(C) The publication of Gutenberg Bible
(D) The oldest known printed piece
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統計： A(252), B(10), C(10), D(9), E(0) #392871
統計： A(252), B(10), C(10), D(9), E(0) #392871
