2026年6月托福机经套卷(第3套)Listen to an Academic Talk / 24 道题

Listen to an Academic Talk / 2

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What is the podcast mainly about?

APlants that thrive in the arctic tundra

BThe role of microbes in worsening climate change

CThe advanced methodologies used to study permafrost

DThe comparative analysis of carbon dioxide and methane emissions

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正确答案：B

Why does the speaker mention the carbon content of permafrost?

ATo illustrate the potential impact of permafrost thaw

BTo advocate for increased funding for permafrost research initiatives

CTo emphasize the scale of the permafrost regions

DTo imply that the atmosphere lacks sufficient carbon to impact climate change

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正确答案：A

What does the speaker imply about the feedback loop of thawing and gas emissions?

AIt might lead to a decrease in global temperatures.

BIt could stabilize permafrost regions.

CIt may affect global warming trends.

DIt ensures a reduction in microbial diversity.

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正确答案：C

What does the speaker imply about the monitoring of permafrost regions?

AIt is unnecessary because of our comprehensive understanding of climate change.

BIt is imperative for creating strategies that address environmental issues.

CIt is impractical because of the extensive size of these regions.

DIt is a globally implemented and effective measure.

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正确答案：B