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  3. Bottlenose dolphins can call each other by name when they whistle, making t

Bottlenose dolphins can call each other by name when they whistle, making t

游客2024-12-23  50
问题     Bottlenose dolphins can call each other by name when they whistle,
making them the only animals besides humans know to recognize such 1.______
identity information, scientists reported on Monday.
    Dolphins communicate as humans by calling each other by name, 2.______
scientists in Fife reported on Monday.
    Scientists have long known that dolphins’ whistling calls including repeated 3.______
information thought to be their names, but a new study indicates dolphins
recognize these names even when voice cues are removed in the sound. 4. ______
    St Andrews University researchers studying in Sarasota Bay off
Florida’s west coast Florida discovered bottlenose dolphins used names
rather than sound to identify each other.
    The three-years-study was funded by the Royal Society of London. 5.______
    Dr Vincent Janik, of the Sea Mammal Unit at St Andrews University,
said they conduced the research on wild dolphins. 6.______
    "We captured wild dolphins using nets when they came near the
shore," he said.
    "Then in the deep water we recoded their whistles before synthesizing 7.______
them on a computer with the caller’s voice features removed so that we
have a computer voice of a dolphin." 8.______
    "Then we played it back to the dolphins through an underwater speaker
and we found they responded coolly. This showed us that the dolphins 9.______
know each other’s signature whistle instead just the voice." 10.______
    "Now we know they have labels for each other like we do."
    The findings are published in the US journal the Proceedings of the
National Academy of Sciences (PNAS). [br]
选项
答案 know——known
解析 本题为动词误用。渊组make…known表示“使……著称”，句意为“除了人类，宽吻海豚是唯一—种以能辨别同类身份著称的动物”。而make…know表示“使……知道”，不符合原文。
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