2026年1月托福机经套卷(第10套)Listen to an Academic Talk / 24 道题

Listen to an Academic Talk / 2

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共用录音 1

What is the main topic of the talk?

AHow scientists identify species using sound recordings

BResearch into sound-based communication in animals

CThe use of audio technology in wildlife research

DThe impact of environmental noise on animal communication

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正确答案：B

According to the speaker, what can researchers learn from recording and analyzing whale songs?

AThe age of each whale in a group

BHow large the whale population is

CThe intended purpose of whale communication

DWhether whales are experiencing environmental stress

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正确答案：B

What can be inferred from the talk about bird songs?

AThey vary depending on the time of year.

BThey are used mainly for long-distance communication.

CThey reflect important aspects of bird societies.

DThey are more complicated than the songs of whales.

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正确答案：C

Why does the speaker mention environmental noise?

ATo highlight a challenge in bioacoustics research

BTo show how sound affects animal behavior

CTo explain why it is more difficult to study land animals than ocean animals

DTo show how human activity affects animal communication

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正确答案：A