2. 职称英语
  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  30
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 including——include
解析 本题为非谓语动词误用。dolphins’whistling calls作为that从句中的主语，repeated information作为句中的宾语，缺少谓语动词，因此include要用原形而不是-ing分词。
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