48.According to the passage, which of the following is the main cause of global warming?
(A) Carbon dioxide.
(B) Organic food.
(C) Red meat.
(D) Cellular phone charger. 

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統計： A(62), B(14), C(3), D(6), E(0) #1203634

詳解 (共 1 筆)

#1307947
原本答案為D,修改為A
(共 13 字，隱藏中）
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