Read the following passage and mark A, B, C, or D to indicate the correct answer to each of the blanks from 46 to 50.
University researchers have taken samples from a preserved dodo specimen in an (46) to uncover the extinct bird‟s family tree. They worked with the British Natural History Museum to collect and study genetic material from large number of specimens: a preserved dodo, the extinct solitaire bird, and 35 kind of living pigeons and doves. Their analysis (47) the doo and the solitaire to be close relatives with the Nicobar pigeon, their nearest living relative. The dodo lived on Mauritius in the Indian Ocean. It was a flightless bird, bigger than a turkey. By 1681, all dodos had been (48) by hungry sailors. The solitaire, which looked a bit like a dodo, had gone the same way by 1800. By extracting short pieces of the dodo‟s DNA and (49) these with the DNA of living birds, the scientists were able to deduce when the dodo evolved away from its relatives into a separate entity. The scientists can now (50) assume that the dodo developed its distinctive appearance and features as a result of its geographical isolation. They are now convinced that it separated from the solitaire about 25 million years ago, long before Mauritius became an island.
(46).................
Hãy suy nghĩ và trả lời câu hỏi trước khi xem đáp án
Lời giải:
Báo saiattempt (n): nỗ lực intention (n): dự định
order (n): mệnh lệnh, yêu cầu assistance (n): hỗ trợ, giúp đỡ
in an attempt to do something: trong nỗ lực làm gì
University researchers have taken samples from a preserved dodo specimen in an (46) attempt to uncover the extinct bird‟s family tree.
Tạm dịch: Các nhà nghiên cứu ở trường đại học đã lấy mẫu từ một mẫu chim dodo được bảo tồn trong một nỗ lực để phát hiện ra cây gia phả của loài chim tuyệt chủng.