Updated 2026-08-28upper
Duolingo English Test Read Aloud Practice #10 — Upper Level
Free DET (Duolingo English Test) Read Aloud practice #10 — Upper level. Just DET Speaking questions, no grading — solve it yourself and check the answer or model response.
How to practice: This set collects only the Read Aloud question type from the real DET (Duolingo English Test) — DET Speaking questions. No grading, no timer — solve it yourself, then tap each question to reveal the answer or model response.
Q1 · Read Aloud
The principles of supply and demand form the cornerstone of modern economic theory. In a competitive market, the price of a good or service is determined by the interaction between the quantity that producers are willing to supply at various price levels and the quantity that consumers are willing to purchase. When demand for a product exceeds supply, prices tend to rise, incentivizing producers to increase output and creating a new equilibrium. Conversely, when supply outstrips demand, prices fall, signaling producers to scale back production. Understanding this dynamic is fundamental to any serious analysis of enterprise behavior, market strategy, and the allocation of resources in a capitalist economy. Today, data-driven modeling allows economists and business stakeholders to anticipate shifts in supply and demand with increasing precision, enabling more responsive and competitive decision-making.
Show Pronunciation Tips
economic (stress: e-co-NOM-ic) — four syllables, stress on third; 'ec' sounds like 'ek'; enterprise (stress: EN-ter-prise) — three syllables, stress on first; the final syllable 'prise' rhymes with 'prize'; competitive (stress: com-PET-i-tive) — four syllables, stress on second; do not reduce the middle syllables; strategy (stress: STRA-te-gy) — three syllables, stress on first; the 'gy' ending sounds like 'jee'; revenue (stress: REV-e-nue) — three syllables, stress on first; the 'ue' ending sounds like 'yoo'; stakeholder (stress: STAKE-hold-er) — three syllables, stress on first; the 'stake' rhymes with 'lake'
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