Duolingo English Test Interactive Reading Practice #6 — Medium Level

Free DET (Duolingo English Test) Interactive Reading practice #6 — Medium level. Just DET Reading & Vocabulary questions, no grading — solve it yourself and check the answer or model response.

How to practice: This set collects only the Interactive Reading question type from the real DET (Duolingo English Test) — DET Reading & Vocabulary questions. No grading, no timer — solve it yourself, then tap each question to reveal the answer or model response.

Cities around the world are under growing pressure to become more sustainable. Traditional urban development has relied heavily on fossil fuels, private vehicles, and high-energy buildings. As concerns about climate change intensify, city governments are being pushed to rethink how cities are designed and managed. A growing number of urban areas are now implementing green policies aimed at reducing carbon emissions and improving the quality of life for residents.

One major shift is the push toward public and active transportation. Cities like Amsterdam, Copenhagen, and Bogotá have invested heavily in cycling infrastructure, making it safe and convenient for residents to commute by bicycle. Other cities have expanded bus rapid transit (BRT) systems, which offer metro-like speed and reliability at a fraction of the cost of building a subway. When people have reliable, affordable transport alternatives, car ownership and usage tends to decline, which reduces both congestion and air pollution.

Green building standards are another key component of sustainable urban development. Many cities now require new constructions to meet energy efficiency standards — including better insulation, solar panels, and energy-saving systems. In some cities, older buildings are being retrofitted with modern technology to reduce their energy consumption. These changes may require higher upfront costs, but they save money and resources over the long term.

The concept of green urban spaces — parks, community gardens, and tree-lined streets — is also gaining attention. Research shows that access to green spaces improves the mental and physical health of urban residents. Trees reduce air temperature in cities, cutting the need for air conditioning and lowering the urban heat island effect. As cities compete to attract residents and businesses, livability — including access to nature — has become an important factor in urban planning decisions.

Q1 · Multiple Choice
What is the main argument of this passage?
  1. A. Cities are becoming too expensive for most residents.
  2. B. Public transportation is better than private cars in every city.
  3. C. Cities are adopting various strategies to become more environmentally sustainable.
  4. D. Green spaces are the most important element of urban design.
Show Answer
Correct: Cities are adopting various strategies to become more environmentally sustainable.
Q2 · Multiple Choice
Which cities are mentioned as examples of strong cycling infrastructure?
  1. A. Tokyo, Seoul, and Shanghai.
  2. B. New York, London, and Paris.
  3. C. Amsterdam, Copenhagen, and Bogotá.
  4. D. Sydney, Toronto, and Berlin.
Show Answer
Correct: Amsterdam, Copenhagen, and Bogotá.
Q3 · Multiple Choice
What does the phrase 'urban heat island effect' most likely refer to?
  1. A. A special type of tropical island near cities.
  2. B. The phenomenon where cities are significantly warmer than surrounding rural areas.
  3. C. A policy that bans air conditioning in urban buildings.
  4. D. A type of green space designed to reduce city temperatures.
Show Answer
Correct: The phenomenon where cities are significantly warmer than surrounding rural areas.
Q4 · True / False
According to the passage, green building standards may require higher costs at first but save money over time.
Show Answer
Correct: True
Q5 · Highlight
Highlight the phrase that explains one economic advantage of Bus Rapid Transit systems over subways.
Show Answer
Correct: which offer metro-like speed and reliability at a fraction of the cost of building a subway

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