PTE Listening
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1 questions. Answer them all, then submit once for your section score.
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1.
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You will hear a recording. Type the missing word in each blank exactly as you hear it.
Solar panels convert sunlight into electricity through the photovoltaic effect, in which photons dislodge within a semiconductor material. Efficiency has climbed steadily as manufacturers refine silicon and reduce reflective losses. Meanwhile, falling production have made solar power increasingly competitive with fossil fuels in many electricity worldwide.