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Pet birds can not only imitate sounds, they can distinguish between language

游客2023-08-25  27
问题     Pet birds can not only imitate sounds, they can distinguish between languages, potentially offering new【C1】______on how the brain recognises speech, Japanese researchers say. It has already been【C2】______that monkeys, mice and other mammals can recognise different languages but this is the first time that birds have been found to【C3】______the ability, The Mainichi Daily News reported.
    A research team【C4】______Java Sparrows to English and Chinese translations recorded by exchange students of two well-known Japanese novels, The Tale of Genji and Natsume Soseki’s I Am a Cat. A bird sitting on a perch first listened to the English【C5】______and was only allowed to eat afterwards. Then the researchers played English and Chinese recordings at random and only allowed the bird to eat after hopping onto the perch with the English. The birds correctly identified the English recording 75 percent of the time. The same results were achieved with another two birds that were【C6】______to eat only when Chinese was played. "Humans are able to distinguish between languages, even ones they don’t know, from the intonation and pronunciation, and it seems that paddy birds have the【C7】______ability," said Keio University experimental psychology professor Shigeru Watanabe, who led the research.
    Watanabe said paddy birds like the Java Sparrow and parakeets, which are【C8】______vocally, learn sounds unique to their species after becoming adults, suggesting that they have a【C9】______ability to distinguish between sounds. The researchers did not use Japanese because it was the language the birds【C10】______listened to, the newspaper said.
A)possess I)confirmed
B)normally J)skilled
C)same K)version
D)suggestions L)low
E)clues M)rarely
F)high N)permitted
G)process O)different
H)exposed [br] 【C6】
选项
答案 N
解析 空前的were和空后的动词不定式符号to表明，本空应填一过去分词或形容词。结合前面提到的only allowed to eat afterwards以及only allowed the bird to eat after hoppingonto the perch with the English可知，空后提到的only when Chinese was played是鸟儿可以吃食物的条件，即鸟儿被允许吃食的条件，本空所填词是allowed的近义复现，故答案为N)permitted(允许)。
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