题目内容
(请给出正确答案)
[主观题]
What may be influenced by air pollutants? [Clink on 2 answers. ]
A.Humans and animals.
B.The global climate.
C.Vegetations and plants.
D.Mineral materials.
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A.Humans and animals.
B.The global climate.
C.Vegetations and plants.
D.Mineral materials.
第6题
第7题
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