Ancient Aqueducts
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Ancient Aqueducts
Aqueducts are among the most impressive engineering feats of ancient civilizations. █ Aqueducts are structures built to transport water from a distant source to cities and towns. █ The Romans, in particular, perfected the construction of aqueducts, using gravity to carry water over long distances. █ Roman aqueducts were made of stone, brick, and concrete and included tunnels, bridges, and pipes. █ The aqueducts were essential to the growth and sustainability of Roman cities. They supplied water for public baths, fountains, households, and agriculture. One famous example is the Pont du Gard in France. Built in the first century A.D., it spans 50 kilometers and features a three-tiered bridge that remains standing today.
Aqueducts were not unique to the Roman Empire. Ancient Greece, Persia, and India also developed systems for water transport. Persian aqueducts, known as qanats, were underground channels tapping groundwater sources. These systems were exceptionally durable and could last for centuries. However, constructing and maintaining aqueducts required significant resources and labor. Despite these challenges, aqueducts were essential investments in ancient infrastructure and played a crucial role in development.
Question 1查看单题
The word "feats" in the passage is closest in meaning to
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正确答案：B
Question 2查看单题
Why does the author mention public baths, fountains, households, and agriculture?
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正确答案：D
Question 3查看单题
What specific ancient structure is mentioned in the passage as still existing today?
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正确答案：B
Question 4查看单题
What problem with ancient aqueducts is mentioned in the passage?
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正确答案：D
Question 5查看单题
There are four locations █ in the passage that indicate where the following sentence could be added.
This meant that the source of the water had to be higher than the city to which it was brought.