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2026年1月托福机经套卷(第6套)Read an Academic Passage5 道题

Green Roof Benefits

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Green Roof Benefits Green roofs, or living roofs, are gaining prominence in urban areas due to their environmental benefits. These are roofs covered with vegetation to help manage stormwater by absorbing rainfall, decreasing runoff, and minimizing flooding risks. Another advantage of green roofs is their ability to improve air quality. Plants on the roof filter pollutants and capture dust. Additionally, green roofs reduce the urban heat island effect. Conventional roofs absorb and radiate heat, increasing urban temperatures. In contrast, green roofs keep buildings cooler by providing insulation and emitting moisture through their plants and soil. Green roofs offer energy-efficiency benefits. The insulation provided by soil and plants reduces the need for heating in winter and cooling in summer, leading to energy savings. Green roofs can also extend the lifespan of the roof by shielding materials from UV radiation and extreme temperatures, keeping the underlying structure sound for longer. Finally, green roofs support urban biodiversity. Their vegetative layers create habitats for insects and birds in cities where green spaces are limited. These microhabitats help sustain pollinator populations and promote ecological balance. █ Green roofs can even be designed to grow food, contributing to food security in urban environments. █ Despite these advantages, green roofs can be costly to install. █ However, many cities offer incentives to encourage their adoption.█
Question 1查看单题
The word "minimizing" in the passage is closest in meaning to
Amonitoring
Bpostponing
Ccontrolling
Dlowering
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正确答案：D
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Question 2查看单题
What is suggested about the urban heat island effect?
AThe characteristics of traditional roofs add to the problem.
BPlants on roofs are not able to combat the problem effectively.
CThe problem is also starting to affect rural areas around the world.
DThe problem affects only the exterior spaces between buildings.
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正确答案：A
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Question 3查看单题
How do green roofs contribute to energy efficiency?
ABy eliminating the need for heating and air conditioning
BBy creating microhabitats for pollinators
CBy offering natural insulation and releasing moisture
DBy absorbing most of the Sun's UV radiation
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正确答案：C
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Question 4查看单题
Why does the author mention vegetative layers?
ATo support the claim that pollinator populations in cities are increasing
BTo show how insect and bird populations can be supported by green roofs
CTo discuss one potential way to provide access to food for urban residents
DTo address the concern that green roofs may be too costly to maintain
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正确答案：B
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Question 5查看单题
There are four locations █ in the passage that indicate where the following sentence could be added.
Additionally, green roofs require ongoing maintenance to ensure proper drainage, plant health, and structural integrity.
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