阿摩線上測驗
21. What is the passage mainly about?
(A) A popular puppet show
(B) A famous study conducted in 2010
(C) Human nature
(D) Two well-known philosophers
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統計： A(5), B(7), C(105), D(13), E(0) #3332100
統計： A(5), B(7), C(105), D(13), E(0) #3332100
