Câu hỏi:
24/04/2020 1,085For many people who live in cities, parks are an important part of the landscape. They provide a place for people to relax and play sports, as well as a refuge from the often harsh environment of a city. What people often overlook is that parks also provide considerable environmental benefits.
One benefit of parks is that plants absorb carbon dioxide - a key pollutant - and emit oxygen, which humans need to breathe. According to one study, an acre of trees can absorb the same amount of carbon dioxide that a typical car emits in 11,000 miles of driving. Parks also make cities cooler. Scientists have long noted what is called the Urban Heat Island Effect: building materials such as metal, concrete, and asphalt absorb much more of the sun’s heat and release it much more quickly than organic surfaces like trees and grass. Because city landscapes contain so much of these building materials, cities are usually warmer than surrounding rural areas. Parks and other green spaces help to mitigate the Urban Heat Island Effect.
Unfortunately, many cities cannot easily create more parks because most land is already being used for buildings, roads, parking lots, and other essential parts of the urban environment. However, cities could benefit from many of the positive effects of parks by encouraging citizens to create another type of green space: rooftop gardens. While most people would not think of starting a garden on their roof, human beings have been planting gardens on rooftops for thousands of years. Some rooftop gardens are very complex and require complicated engineering, but others are simple container gardens that anyone can create with the investment of a few hundred dollars and a few hours of work.
Rooftop gardens provide many of the same benefits as other urban park and garden spaces, but without taking up the much-needed land. Like parks, rooftop gardens help to replace carbon dioxide in the air with nourishing oxygen. They also help to lessen the Urban Heat Island Effect, which can save people money.
In the summer, rooftop gardens prevent buildings from absorbing heat from the sun, which can significantly reduce cooling bills. In the winter, gardens help hold in the heat that materials like brick and concrete radiate so quickly, leading to savings on heating bills. Rooftop vegetable and herb gardens can also provide fresh food for city dwellers, saving them money and making their diets healthier. Rooftop gardens are not only something everyone can enjoy, they are also a smart environmental investment.
According to the author, one advantage that rooftop gardens have over parks is that they______.
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Trả lời:
Giải bởi Vietjack
Đáp án C
Theo như nhà văn, 1 lợi ích mà khu vườn thượng vượt trội hơn công viên đó là chúng ______.
A. làm giảm tác động của Hiệu ứng nhiệt thành thị.
B. cung cấp thêm vào không khí khí ô-xi.
C. không yêu cầu sử dụng tới đất thành phố có giá trị.
D. ít đắt đỏ hơn so với không gian công viên truyền thống.
Dựa vào câu 38 có thể suy ra được ngay đáp án C.
Nhà sách VIETJACK:
CÂU HỎI HOT CÙNG CHỦ ĐỀ
Câu 1:
Mark the letter A, B, C or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions
Most of the classmates couldn't come. He invited them to the birthday party.
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Câu 2:
Mark the letter A, B, C or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.
I’m becoming increasingly absent-minded. Last week, I locked myself out of my house twice.
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Câu 3:
Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.
He is exhausted. He ______ around the whole afternoon trying to clean the house before the guests arrive.
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Câu 4:
Mark the letter A, B, C or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.
Although it’s a long day for us, we feel we are contented with what we do.
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Câu 5:
Mark the letter A, B, C or D on your answer sheet to indicate the most suitable response to complete each of the following questions.
John was in Hanoi and wanted to send a parcel to his parents. He asked a local passer-by the way to the post-office. Choose the most suitable response to fill in the blank in the following exchange.
-John: “Can you show me the way to the nearest post office, please?”
-Passer-by: “______”.
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Câu 6:
Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.
If she had known how awful this job was going to be, she______ it.
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Câu 7:
Mark the letter A, B, C or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
However old and worn his clothes were, they look clean and of good quality.
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