阿摩線上測驗
46. What is the main idea of this article?
(A) Explaining the details of a research in Canada
(B) Explaining the importance of food, sleep, and sex
(C) Explaining the main purpose of neural networks
(D) Explaining the relation between dopamine and music
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統計： A(19), B(38), C(46), D(569), E(0) #2053397
統計： A(19), B(38), C(46), D(569), E(0) #2053397
