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题目内容
Recent research has identified ____________ bats' navigational tool, echolocation:smooth, vertical surfaces such as the metal or glass plates on buildings can trick a bat into thinking it is flying in open air.
- Aan explanation for
- Ba limitation of
- Ca principle of
- Da symptom of
- Ea deficiency in
- Fa component of
B,E显示答案
以上解析由 考满分老师提供。