阿摩線上測驗
42. What is the best title for this passage?
(A) Human Traits
(B) Heritability of Behavioral Characteristics
(C) Coffee, Tea, and Personality
(D) Optimism and Pessimism
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統計： A(17), B(486), C(5), D(13), E(0) #940807
統計： A(17), B(486), C(5), D(13), E(0) #940807