2026年3月托福机经套卷(第7套)Listen to an Academic Talk / 24 道题

Listen to an Academic Talk / 2

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What is the main focus of the talk?

AWays in which ancient peoples supplied nitrogen and moisture to their fields

BSimilarities between gardens of ancient Rome and Central America

CA method for studying planting practices of ancient cultures

DAn example of how modern agriculture can learn to benefit from ancient knowledge

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正确答案：C

Why do researchers inject plaster into soil?

ATo make the soil more stable

BTo protect plant roots in the soil

CTo replicate an ancient practice that existed in different parts of the world

DTo obtain casts that match decayed material in shape

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正确答案：D

What does the speaker say is a main feature of the agricultural system practiced in the Maya village in Central America?

AIt takes advantage of plants that do not decay quickly.

BIt combines a variety of crops that support each other's growth.

CIt relies on a complex irrigation system.

DIt changes crops from year to year.

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正确答案：B

What does the speaker imply about Roman garden designers?

AThey tried to replicate nature.

BThey considered roses to be more beautiful than other flowers.

CThey valued both beauty and practicality.

DThey were interested in foreign plant species.

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正确答案：C