問題詳情

70. What positive effects of dust storms is mentioned in the passage?
(A) They can reduce the effects of drought in some areas.
(B) They prevent the transmission of some types of disease.
(C) They may help reduce carbon dioxide in the atmosphere.
(D) They often bring carbon dioxide to the rainforests.

參考答案

答案:C
難度:計算中-1
書單:沒有書單,新增

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