阿摩線上測驗
47 Which of the following is NOT mentioned as a reason for the decline of the bird population?
(A) Agriculture.
(B) Climate change.
(C) Harmful chemicals.
(D) Overfishing.
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統計： A(11), B(19), C(94), D(18), E(0) #1217632
統計： A(11), B(19), C(94), D(18), E(0) #1217632
