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

In the very distant geological past, all animals were aquatic. The very first vertebrates or animals with backbones, of which we have any fossil record, lived in water. These vertebrates, the fish, were adapted to underwater living. Their streamlined bodies were covered with scales to reduce surface friction: they had muscular tails so that they could swim swiftly in such a dense medium as water; and they were endowed with gills for breathing underwater. Descendants of fishtype ancestors crossed the seashore barrier and accommodated themselves to life on land. As amphibians, they possessed limbs instead of fins and lungs instead of gills. But they never became completely free of the bonds that tied them to the water; even today many amphibians return to the water to lay their eggs. Millions of years after the first clumsy amphibians crawled over the land, newer types of land dwellers appeared, these animals give rise to the present-day reptiles and mammals. They were completely converted for land dwelling, with bodies and biological activities far different from those of fish. With these special adaptations, mammals have been able to colonize the woods and meadows, the deserts and high mountains, often far removed from the sea.

Of the animals with backbones, the first to appear were ______

A. fish

B. amphibians

C. birds

D. mammals

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Giải bởi Vietjack

Đáp án A
Giải thích: “The very first vertebrates or animals with backbones, of which we have any fossil record, lived in water. These vertebrates, the fish, were adapted to underwater living.”

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CÂU HỎI HOT CÙNG CHỦ ĐỀ

Câu 1

According to the passage, travel books, biographies and memoirs______.

A. are wonderful novels

B. tell stories of well-known places

C. are less popular than novels

D. are more valuable than novels

Lời giải

Đáp án C
Thông tin: First in order of popularity is novel-reading.... Next in order of popularity are travel books, biographies and memoirs.
Tạm dịch: Phổ biến nhất là đọc tiểu thuyết... Phổ biến tiếp theo là sách du lịch, tiểu sử và hồi ký.

Câu 2

According to paragraph 1, which of the following is NOT true?

A. Ordinary people may think that philosophy and science are difficult.

B. Reading about mathematics is mentally entertaining for a mathematician.

C. Philosophers and scientists do not read for pleasure.

D. A more advanced person takes greater pleasure in reading.

Lời giải

Đáp án C
The ordinary man may think that subjects like philosophy or science are very difficult and that if philosophers and scientists read these subjects, it is not for pleasure. But this is not true. Tạm dịch: Người bình thường có thể nghĩ rằng các chủ đề như triết học hoặc khoa học là khó khăn và với các triết gia và các nhà khoa học, đọc những sách này không phải là để vui. Nhưng điều này không đúng

Câu 3