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What are the possible causes of colony—collaps

2022-08-01 20:04:24 问答库 阅读 166 次

问题详情

What are the possible causes of colony—collapse disorder given by the scientists?
A.Worsening environment.
B.Disease and chemicals.
C.Dwindling number of flowers around.
D.Changes in genes’ structures. 请帮忙给出正确答案和分析,谢谢!

参考答案

正确答案:B
第四的开头是Itcouldbethatdiseaseiscausingthedisappearance0fthebees.第五段的开头是Anothercauseofcolony-collapsedisordermaybecertainchemicalsthat…,这是科学家给出的两个可能造成这种现象的原因。

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