2026年5月托福机经套卷(第5套)Listen to an Academic Talk / 24 道题

Listen to an Academic Talk / 2

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According to the speaker, what question was the first experiment designed to answer?

AWhether a specific percentage of bees in the hive are forager bees

BWhether forager bees maintain the same level of activity throughout the day

CWhether forager bees are the most active bees in the hive

DWhether all forager bees contribute the same amount of work

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正确答案：D

According to the speaker, what specific information did the microtransponders provide the researchers?

AThe number of trips the forager bees made in and out of the hive

BThe amount of energy used by the forager bees during foraging

CThe average flight speed of the forager bees

DThe total amount of nectar and pollen that the forager bees gathered

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正确答案：A

What does the speaker say happened after the researchers removed most of the "elite foragers" from the hive?

AThe colony collapsed.

BForaging activity increased immediately.

CForaging activity decreased at first and then returned to earlier levels.

DBees that specialized in maintaining the hive became forager bees.

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正确答案：C

According to the speaker, what do the results of the second experiment suggest?

AThat only a small number of bees are capable of foraging

BThat the population size of beehives is highly variable

CThat individual bees adjust their behavior in response to the colony's needs

DThat forager bees play a more important role in the hive than previously assumed

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正确答案：C