問題詳情

The undersea world isn’t as quiet as we thought, according to a New Zealand researcher. Fish can“talk” to each other and make a range of 11 by vibrating their swim bladder, an internal gas-filledorgan used as a resonating chamber to produce or receive sound.Fish are believed to speak to each other for a number of reasons, such as to attract mates, scare offpredators, or give directions to other fish. Damselfish, for example, have been found to make sounds toscare off 12 fish and even divers. Another discovery about fish sounds is that not all fish are 13“talkative.” Some species talk a lot, while others don’t. The gurnard species has a wide vocal repertoireand keeps up a constant chatter. Codfish, 14 , usually keep silent, except when they are laying eggs.Any goldfish lover who hopes to strike up a conversation with their pet goldfish is 15 . Goldfishhave excellent hearing, but they don’t make any sound whatsoever. Their excellent hearing isn’tassociated with vocalization.
11.
(A) choices
(B) objects
(C) accents
(D) noises

參考答案

答案：D
難度：適中0.681818
統計：A(2),B(2),C(2),D(15),E(0)

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