2026年6月托福机经套卷(第3套)Listen to an Academic Talk4 道题

Listen to an Academic Talk

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What is the main purpose of the new devices that the speaker discusses?

ATo reverse habitat loss along monarch butterfly migration routes

BTo help butterfly researchers share data

CTo track the movements of monarch butterflies

DTo identify the breeding grounds monarch butterflies use

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正确答案：C

According to the speaker, what did researchers know about monarch butterfly migrations before the new devices were developed?

AThe habitats monarch butterflies rely on during migration

BThe effects of climate on the success of monarch butterfly migrations

CThe stopover sites along monarch butterfly migration routes

DThe starting and ending points of monarch butterfly migrations

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正确答案：D

What does the speaker say is a surprising finding revealed by early data about monarch butterflies?

ASome migrate only during daylight hours.

BSome take multiple detours during a single migration.

CSome pause longer than expected at stopover sites.

DSome fly for longer periods than previously thought.

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正确答案：C

What limitation of the new devices does the speaker mention?

AThey can only collect data from a limited number of butterflies at a time.

BThey can be affected by weather conditions.

CThey cannot track butterflies during stopovers along migration routes.

DThey cannot explain why butterflies make certain detours during migration.

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正确答案：B