2026年2月托福机经套卷(第6套)Listen to an Academic Talk4 道题

Listen to an Academic Talk

共用材料

共用录音 1

What does the speaker mainly discuss?

AAdaptations that help a flower thrive in a harsh environment

BExamples of plant species that are native to alpine forests

CLocations where the snow buttercup has been found

DSurprising ways that the snow buttercup changes with the seasons

查看答案

正确答案：A

What aspect of the snow buttercup's roots does the speaker emphasize?

AThe ways in which they change the soil

BThe amount of water that they can absorb

CThe speed with which they grow

DThe depths that they reach

查看答案

正确答案：D

What does the speaker imply about antifreeze proteins?

AThey are produced while the snow buttercup is dormant.

BThey are produced in small quantities.

CThey may help scientists improve crops.

DThey make the snow buttercup attractive to pollinators.

查看答案

正确答案：C

What does the speaker say about heliotropic movement?

AIt is mostly beneficial in late spring.

BIt helps the snow buttercup stay warm.

CIt benefits butterflies more than bumblebees.

DIt signals that plants are ready to reproduce.

查看答案

正确答案：B