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Câu hỏi:
Why were the peregrine falcons in danger?
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A.
because they were prized by hunters and hunted to near extinction
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B.
because of pesticides used by American farmers
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C.
because they ate birds from other countries where DDT was still used
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D.
because they migrated to countries where their eggs could not survive
Lời giải tham khảo:
Đáp án đúng: C
Tại sao những con chim ưng peregrine lại gặp nguy hiểm?
A. bởi vì chúng được đánh giá cao bởi những người thợ săn và bị săn đuổi đến gần tuyệt chủng
B. do nông dân Mỹ sử dụng thuốc trừ sâu
C. bởi vì họ ăn chim từ các quốc gia khác nơi DDT vẫn được sử dụng
D. vì chúng di cư đến những nước mà trứng của chúng không thể tồn tại được
Thông tin: 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.
Tạm dịch: Việc sử dụng thuốc trừ sâu đã bị cấm ở Hoa Kỳ, nhưng những con chim ưng đang ăn thịt các loài chim di cư từ những nơi khác, nơi DDT vẫn được sử dụng. Để tăng tỷ lệ sống sót, các nhà khoa học đã nuôi chim trong phòng thí nghiệm và sau đó thả chúng vào các vùng núi. Tuy nhiên, cách làm này chỉ đạt được thành công vừa phải, vì nhiều loài chim được nuôi nhốt không thể sống sót trong hoang dã.
Hãy trả lời câu hỏi trước khi xem đáp án và lời giải -
A.
Câu hỏi này thuộc đề thi trắc nghiệm dưới đây, bấm vào Bắt đầu thi để làm toàn bài
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