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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
19
管理
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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