Câu hỏi:
20/07/2023 514
Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions from 19 to 23.
The peregrine falcon, a predatory bird indigenous to North America, was once in danger of extinction. In the 1960s, scientists discovered byproducts of the pesticide DDT in the birds' eggs, which caused them to be too soft to survive. The use of the pesticide had been banned in the United States, but the falcons were eating migratory birds from other places where DDT was still used. In order to increase the survival rate, scientists were raising the birds in laboratories and then releasing them into mountainous areas. This practice achieved only moderate success, however, because many of the birds raised in captivity could not survive in the wild.
There is now, however, a new alternative to releases in the wild. A falcon that has been given the name Scarlett chose to make her home on a ledge of the 33rd floor of a Baltimore, Maryland, office building rather than in the wild, and, to the surprise of the scientists, she has managed to live quite well in the city. Following this example, programs have been initiated that release birds like Scarlett into cities rather than into their natural wild habitat. These urban releases are becoming a common way to strengthen the species. Urban homes have several benefits for the birds that wild spots do not. First, there is an abundance of pigeons and small birds as food sources. The peregrine in the city is also protected from its main predator, the great horned owl. Urban release programs have been very successful in reestablishing the peregrine falcons along the East Coast. Though they are still an endangered species, their numbers increased from about 60 nesting pairs in 1975 to about 700 pairs in 1992. In another decade the species may flourish again, this time without human help.
What is the main topic of the passage?
Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions from 19 to 23.
The peregrine falcon, a predatory bird indigenous to North America, was once in danger of extinction. In the 1960s, scientists discovered byproducts of the pesticide DDT in the birds' eggs, which caused them to be too soft to survive. The use of the pesticide had been banned in the United States, but the falcons were eating migratory birds from other places where DDT was still used. In order to increase the survival rate, scientists were raising the birds in laboratories and then releasing them into mountainous areas. This practice achieved only moderate success, however, because many of the birds raised in captivity could not survive in the wild.
There is now, however, a new alternative to releases in the wild. A falcon that has been given the name Scarlett chose to make her home on a ledge of the 33rd floor of a Baltimore, Maryland, office building rather than in the wild, and, to the surprise of the scientists, she has managed to live quite well in the city. Following this example, programs have been initiated that release birds like Scarlett into cities rather than into their natural wild habitat. These urban releases are becoming a common way to strengthen the species. Urban homes have several benefits for the birds that wild spots do not. First, there is an abundance of pigeons and small birds as food sources. The peregrine in the city is also protected from its main predator, the great horned owl. Urban release programs have been very successful in reestablishing the peregrine falcons along the East Coast. Though they are still an endangered species, their numbers increased from about 60 nesting pairs in 1975 to about 700 pairs in 1992. In another decade the species may flourish again, this time without human help.
What is the main topic of the passage?
Đáp án chính xác
Câu hỏi trong đề:
Đề kiểm tra học kì 2 Tiếng anh 12 năm 2023 có đáp án !!
Sách mới 2k7: Tổng ôn Toán, Lí, Hóa, Văn, Sử, Địa…. kỳ thi tốt nghiệp THPT Quốc gia 2025, đánh giá năng lực (chỉ từ 110k).
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Trả lời:
Giải bởi Vietjack
Đáp án C
Câu hỏi cùng đoạn
Câu 2:
Why were the peregrine falcons in danger?
Why were the peregrine falcons in danger?
Đáp án chính xác
Lời giải của GV VietJack
Đáp án C
Câu 3:
In line 3, the word "banned" could be best replaced by ____________.
Đáp án chính xác
Lời giải của GV VietJack
Đáp án D
Câu 4:
According to the passage, where have the release programs been the most successful?
According to the passage, where have the release programs been the most successful?
Đáp án chính xác
Lời giải của GV VietJack
Đáp án D
Câu 5:
According to the passage, which of the falcon’s main predators?
According to the passage, which of the falcon’s main predators?
Đáp án chính xác
Lời giải của GV VietJack
Đáp án C
Nhà sách VIETJACK:
CÂU HỎI HOT CÙNG CHỦ ĐỀ
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Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the other three in the position of primary stress in each of the following question.
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Câu 3:
I am more confident in class whenever I prepare for the lesson carefully.
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Câu 4:
ASEAN is an organization on the Southeast Asian region that aims to _______ economic growth, social progress, and cultural development.
ASEAN is an organization on the Southeast Asian region that aims to _______ economic growth, social progress, and cultural development.
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Câu 5:
Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blank 29.
Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blank 29.
Xem đáp án »
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Câu 6:
About 1.3 billion people live in absolute poverty on_______ income of less than one US dollar a day. 70% of these people are women.
About 1.3 billion people live in absolute poverty on_______ income of less than one US dollar a day. 70% of these people are women.
Xem đáp án »
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