Task reminder: Follow the transcript as the audio plays. Click on words that differ from what you hear. Negative marking applies — incorrect selections lose marks.

1. Sample Text 1 — Biodiversity Loss

The planet is experiencing what scientists describe as a sixth mass extinction, driven by habitat destruction, overexploitation, pollution, invasive species, and climate change. Species are disappearing at a rate estimated to be one hundred to one thousand times above the natural background rate. This collapse threatens ecosystem services — including pollination, water purification, and climate regulation — on which all human life depends.

Incorrect words — audio says: “current” not “sixth”; “far” not “above”; “critical” not “natural”

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2. Sample Text 2 — Urban Growth

More than half of the world’s population currently lives in cities, a proportion expected to reach seventy percent by 2050. Cities generate approximately eighty percent of global GDP but are also responsible for the majority of energy consumption and greenhouse gas emissions. Managing urbanisation sustainably requires investment in public transport, affordable housing, and green infrastructure.

Incorrect words — audio says: “already” not “currently”; “two thirds” not “seventy percent”; “bulk” not “majority”

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