The peregrine falcon, a predatory bird indigenous to NorthAmerica, was once in danger of extinction. In the 1960’s, scientists discovered by products 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 release 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 scientist, 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 spot do not. First, there is an abundance of pigeon 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.
The word “ledge” in "to make her home on a ledge of...” refers to...
Soal ini meminta untuk memilih referensi yan tepat atas kata ledge dalam paragraf 2.
Untuk mencari referensi di dalam teks dapat melakukan "Scanning," atau membaca cepat untuk mencari kata kunci. Kata kunci dalam pertanyaan tersebut adalah pilihan dari jawaban yang tersedia.
Perhatikan kalimat berikut:
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,...
Dapat ditarik kesimpulan bahwa "ledge" mengacu pada tepian pada lantai 33 sebuah gedung. Dalam bahasa Inggris berarti "shelf."
Jadi, jawaban yang tepat adalah D.
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