题目内容
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提问人:网友elite_stu
发布时间:2022-01-06
[主观题]
Which of the following is a possible cause of the colony-collapse disorder?A.Population ex
Which of the following is a possible cause of the colony-collapse disorder?
A.Population explosion.
B.Decreasing number of flowers around
C.Genetically modified products.
D.Diseases and chemicals.
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