2026年4月托福机经套卷(第2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?

AThe ways that a sea creature changes its appearance

BThe ways that predators react to surprising behaviors

CThe ways that different animals capture prey

DThe ways that different species use dynamic mimicry

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正确答案：A

Why does the speaker discuss the owl butterfly?

ATo point out a limitation of dynamic mimicry

BTo highlight a hunting technique used by owls

CTo distinguish between two kinds of mimicry

DTo explain how mimicry can confuse experienced researchers

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正确答案：C

What does the speaker say is a limitation of changing shape?

AIt sometimes does not result in the intended shape.

BIt is not enough by itself to protect an animal from a predator.

CIt requires a significant amount of time.

DIt can quickly make muscles become tired.

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正确答案：B

Why does the speaker mention balloons?

ATo describe the pattern on a butterfly's wing

BTo show how camera equipment was raised and lowered

CTo explain how certain cells function in the mimic octopus

DTo emphasize how flexible the flatfish's muscles are

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正确答案：C