Why humans make and appreciate music is an evolutionary（進(jìn)化的） mystery.Recently David Schruth and his colleagues have a new explanation.They say the roots of human music can date back to the branches of trees more than 50 million years ago，when the first primates（靈長(zhǎng)類(lèi)）appeared.Early primates moved around forest by leaping（跳躍） from branch to branch，a very dangerous way to travel that relies on hand and eye working together and control over muscles.
Schruth argues that a primate that calls in a musical way is advertising that it has fine control over its vocal（聲音的） muscles.This might have convinced other primates that the caller also had fine control over its body.His another research shows the species that leap the most tend to have more complicated calls，which the team jokingly named as 'protomusical'.
Hagen，a worldwide famous scientist in this field，commented on the research："Some people would not include what we see in primates and songbirds as music.But I do see a continuity between human music and primate vocalizations."
Hagen doesn't think human music has a single，simple explanation.He argues that human ancestors originally used music-like vocalizations in two ways：groups vocalized together to send a signal of strength and unity to scare outsiders away，and mothers used vocalisations to communicate with babies.Also another idea：humans used music to strengthen social bonds.
All these ideas might be compatible，says Hagen.Protomusic could have evolved in primates both to attract companions and for territorial signaling.Later，as early humans began cooperating in large numbers，protomusic might have been repurposed so it could attract rather.jye.ai frighten outsiders，while also strengthening social bonds within groups.
（1）What is Schruth's finding？ DD
A．Primates have the most complex calls.
B．Human ancestors leap around trees skillfully.
C．Frequent movements sharpen early human calls.
D．Complicated vocalizations result from more leaps.
（2）What's Hagen's attitude to Schruth's research？ CC
A．Negative.
B．Skeptical.
C．Supportive.
D．Cautious.
（3）Which word can replace the underlined word in the last paragraph？ BB
A．Clever.
B．Reasonable.
C．Misleading.
D．Contradictory.
（4）What's the best title of the.jye.ai？ CC
A．Repurposed functions of music
B．Arguments on primates' evolution
C．Origins of music linked to leaping
D．Discoveries about the human origins
【答案】D；C；B；C
【解答】
【點(diǎn)評(píng)】
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發(fā)布：2024/4/20 14:35:0組卷：5引用：2難度：0.5
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（1）What can we know about Burlington School？
A．It is open all year.
B．It is located in London.
C．It provides no accommodation.
D．It offers no social practice classes.
（2）Which school offers the biggest discounts？
A．Burlington School.
B．New School of English.
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D．It offers General and Specialist English courses.發(fā)布：2025/1/6 16:30:6組卷：0引用：1難度：0.6 -
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