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Câu hỏi: 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.
Crows are probably the most frequently met and easily identifiable members of the native fauna of the United States. The great number of tales, legends, and myths about these birds indicates that people have been exceptionally interested in them for a long time. On the other hand, when it comes to substantive particularly behavioral information, crows are less well known than many comparable common species and, for that matter, not a few quite uncommon ones: the endangered California condor, to cite one obvious example. There are practical reasons for this.
Crows are notoriously poor and aggravating subjects for field research. Keen observers and quick learners, they are astute about the intentions of other creatures, including researchers, and adept at avoiding them. Because they are so numerous, active, and monochromatic, it is difficult to distinguish one crow from another. Bands, radio transmitters, or other identifying devices can be attached to them, but this of course requires catching live crows, who are among the wariest and most untrappable of birds.
Technical difficulties aside, crow research is daunting because the ways of these birds are so complex and various. As preeminent is generalists, members of this species ingeniously exploit a great range of habitats and resources, and they can quickly adjust to changes in their circumstances. Being so educable, individual birds have markedly different interests and inclinations, strategies and scams. For example, one pet crow learned how to let a dog out of its kennel by pulling the pin on the door. When the dog escaped, the bird went into the kennel and ate its food.
In line 5, the author mention the endangered California condor as an example of a species that is:
A. smaller than the crow
B. easily identifiable
C. featured in legends
D. very rare
Crows are probably the most frequently met and easily identifiable members of the native fauna of the United States. The great number of tales, legends, and myths about these birds indicates that people have been exceptionally interested in them for a long time. On the other hand, when it comes to substantive particularly behavioral information, crows are less well known than many comparable common species and, for that matter, not a few quite uncommon ones: the endangered California condor, to cite one obvious example. There are practical reasons for this.
Crows are notoriously poor and aggravating subjects for field research. Keen observers and quick learners, they are astute about the intentions of other creatures, including researchers, and adept at avoiding them. Because they are so numerous, active, and monochromatic, it is difficult to distinguish one crow from another. Bands, radio transmitters, or other identifying devices can be attached to them, but this of course requires catching live crows, who are among the wariest and most untrappable of birds.
Technical difficulties aside, crow research is daunting because the ways of these birds are so complex and various. As preeminent is generalists, members of this species ingeniously exploit a great range of habitats and resources, and they can quickly adjust to changes in their circumstances. Being so educable, individual birds have markedly different interests and inclinations, strategies and scams. For example, one pet crow learned how to let a dog out of its kennel by pulling the pin on the door. When the dog escaped, the bird went into the kennel and ate its food.
In line 5, the author mention the endangered California condor as an example of a species that is:
A. smaller than the crow
B. easily identifiable
C. featured in legends
D. very rare
Trong dòng 5, tác giả đã đề cập đến kền kền khoang cổ đang bị đe dọa ở California như một ví dụ về một loài:
A. nhỏ hơn con quạ
B. dễ nhận biết
C. đặc trưng trong truyền thuyết
D. rất hiếm
=> Theo thông tin trong cuối đoạn 1:
"On the other hand, when it comes to substantive particularly behavioral information, crows are less well known than many comparable common species and, for that matter, not a few quite uncommon ones: the endangered California condor, to cite one obvious example."
(Mặt khác, khi nói đến thông tin đặc biệt về hành vi, quạ ít được biết đến hơn nhiều loài thông thường tương tự và với vấn đề đó, kền kền khoang cổ ở California, không phải là một vài loài khá phổ biến, đang bị đe dọa, đã cho thấy một ví dụ điển hình.)
=> Như vậy, ta hiểu rằng tác giả đã đề cập đến kền kền khoang cổ đang bị đe dọa ở California như một ví dụ về một loài hiếm (quite uncommon ~ rare).
A. nhỏ hơn con quạ
B. dễ nhận biết
C. đặc trưng trong truyền thuyết
D. rất hiếm
=> Theo thông tin trong cuối đoạn 1:
"On the other hand, when it comes to substantive particularly behavioral information, crows are less well known than many comparable common species and, for that matter, not a few quite uncommon ones: the endangered California condor, to cite one obvious example."
(Mặt khác, khi nói đến thông tin đặc biệt về hành vi, quạ ít được biết đến hơn nhiều loài thông thường tương tự và với vấn đề đó, kền kền khoang cổ ở California, không phải là một vài loài khá phổ biến, đang bị đe dọa, đã cho thấy một ví dụ điển hình.)
=> Như vậy, ta hiểu rằng tác giả đã đề cập đến kền kền khoang cổ đang bị đe dọa ở California như một ví dụ về một loài hiếm (quite uncommon ~ rare).
Đáp án D.