Câu hỏi:
13/05/2020 344Read the following passage, and mark the letter (A, B, C or D) on your answer sheet to indicate the correct answer to each question.
Coincident with concerns about the accelerating loss of species and habitats has been a growing appreciation of the importance of biological diversity, the number of species in a particular ecosystem, to the health of the Earth and human well-being. Much has been written about the diversity of terrestrial organisms, particularly the exceptionally rich life associated with tropical rain-forest habitats. Relatively little has been said, however, about diversity of life in the sea even though coral reef systems are comparable to rain forests in terms of richness of life.
An alien exploring Earth would probably give priority to the planet's dominant, most-distinctive feature ― the ocean. Humans have a bias toward land that sometimes gets in the way of truly examining global issues. Seen from far away, it is easy to realize that landmasses occupy only one-third of the Earth's surface. Given that two- thirds of the Earth's surface is water and that marine life lives at all levels of the ocean, the total three-dimensional living space of the ocean is perhaps 100 times greater than that of land and contains more than 90 percent of all life on Earth even though the ocean has fewer distinct species.
The fact that half of the known species are thought to inhabit the world's rain forests does not seem uprising, considering the huge numbers of insects that comprise the bulk of the species. One scientist found many different species of ants in just one tree from a rain forest. While every species is different from every other species, their genetic makeup constrains them to be insects and to share similar characteristics with 750,000 species of insects. If basic, broad categories such as phyla and classes are given more emphasis than differentiating between species, then the greatest diversity of life is unquestionably the sea. Nearly every major type of plant and animal has some representation there.
To appreciate fully the diversity and abundance of life in the sea, it helps to think small. Every spoonful of ocean water contains life, on the order of 100 to 100,000 bacterial cells plus assorted microscopic plants and animals, including larvae of organisms ranging from sponges and corals to starfish and clams and much more.
The word "there" refers to
Đáp án chính xác
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Trả lời:
Giải bởi Vietjack
Đáp án là A
Từ “ there” ám chỉ đến
A. biển
B. các rừng mưa nhiệt đới
C. cây
D. bề mặt Trái Đất
Dẫn chứng: If basic, broad categories such as phyla and classes are given more emphasis than differentiating between species, then the greatest diversity of life is unquestionably the seA. Nearly every major type of plant and animal has some representation there
Nhà sách VIETJACK:
CÂU HỎI HOT CÙNG CHỦ ĐỀ
Câu 1:
Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions
British and Australian people share the same language, but in other respects they are as different as_________
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Câu 2:
Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions
Tony was clearly nervous; he was sitting right on the_________ of his chair
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Câu 3:
Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions
She _________ a bad cold just before Christmas
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Câu 4:
Mark the letter A, B, C or D on your answer sheet to indicate that best combine this pair of sentences in the following questions
“I spoke slowly. The foreigner could understand me.”
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18,019
Câu 5:
Mark the letter A, B, C or D on your answer sheet to indicate the most suitable respond to complete each of the following exchanges
- “ Would you mind if I borrowed your dictionary?” – “_________”
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17,300
Câu 6:
Mark the letter A, B, C or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions
They didn’t discover that the picture had been stolen until they came back home
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14,560
Câu 7:
Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions
What _________ milk shake do you want strawberry, chocolate or orange”
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