阿摩線上測驗
39. According to paragraph 3, which of the following causes weight gain in chickens?
(A) a different diet from other chickens
(B) a human adenovirus
(C) thyroid function
(D) an upper respiratory infection
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統計： A(7), B(156), C(7), D(30), E(0) #908349
統計： A(7), B(156), C(7), D(30), E(0) #908349
