2026年3月托福机经套卷(第8套)Listen to an Academic Talk4 道题

Listen to an Academic Talk

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How does the speaker organize the talk on solar power?

AShe outlines solar power's history as an alternative energy resource.

BShe lists the technologies involved in generating solar energy.

CShe offers case studies of successful solar power projects.

DShe compares and contrasts the benefits and challenges of solar power.

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正确答案：D

Why does the speaker mention photovoltaic cells?

ATo describe how solar panels convert solar energy into electricity

BTo discuss innovations in the storage of solar energy

CTo explain the cost of installing solar electric systems

DTo explain the difficulty and expense of recycling solar panels

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正确答案：A

Why does the speaker note that all industries produce some carbon dioxide?

ATo provide context for a discussion of the solar industry's low carbon footprint

BTo suggest that there are reasons for skepticism of the solar industry

CTo introduce a discussion about the harmful pollutants given off by solar panels

DTo support the claim that solar power provides energy to underserved areas

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正确答案：A

According to the speaker, what is causing a rapid increase in waste from used solar panels?

ASolar panels produced in the last decade cannot be recycled.

BSolar panels in regions with heavy cloud cover are scrapped due to disuse.

CImprovements in panel efficiency are leading to frequent replacement

DOveruse of solar power is overwhelming panel-recycling systems.

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正确答案：C