Dạng bài Đọc hiểu lớp 12
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
For many years, scientists have speculated that the cataclysmic impact of an asteroid with the earth was responsible for the demise of the dinosaurs approximately 65 million years ago. Previous discoveries and results have hinted that an asteroid two kilometers in diameter struck the Yucatan peninsula in Eastern Mexico. This impact, stronger than one thousand nuclear explosions, is speculated to have cast a cloud of dust and debris into the atmosphere, covering the entire surface of the earth and blocking out the sun and consequently lowering the surface temperature of the earth. With such a radical change in the earth’s environment, scientists believe that over 99% of all animal and plant species were eradicated. Only after millions of years did plants and animals even begin to recover. But, the reign of the dinosaurs had ended and the age of mammals had begun.
The crucial link that has held this theory together has been the element iridium. Iridium is not commonly found on either the surface of the earth or inside the crust. It is more commonly found in asteroids or meteorites throughout the solar system. Scientists have hypothesized that after the asteroid impacted the earth, an even layer of iridium sediment settled over the globe and eventually became part of its surface. The theory, of course, has depended on the discovery of such an existing layer of iridium.
Unfortunately scientists have never been able to offer absolute proof that this asteroid impact ever occurred. Recently, however, a discovery may go a long way toward validating these scientists’ theories. In 1996, a team of marine biologists excavated samples of rock from the floor of the Atlantic Ocean just the coast of Bermuda. Found thousands of meters below the sea, these samples contain iridium similar to those found in the Yucatan peninsula thousands of kilometers away. At first, scientists were skeptical whether the samples were from the same time period. But since carbon dating placed them to 65 million years ago, their doubts were quickly alleviated. Since then many of the other theories for the demise of the dinosaur have been finally laid to rest.
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
For many years, scientists have speculated that the cataclysmic impact of an asteroid with the earth was responsible for the demise of the dinosaurs approximately 65 million years ago. Previous discoveries and results have hinted that an asteroid two kilometers in diameter struck the Yucatan peninsula in Eastern Mexico. This impact, stronger than one thousand nuclear explosions, is speculated to have cast a cloud of dust and debris into the atmosphere, covering the entire surface of the earth and blocking out the sun and consequently lowering the surface temperature of the earth. With such a radical change in the earth’s environment, scientists believe that over 99% of all animal and plant species were eradicated. Only after millions of years did plants and animals even begin to recover. But, the reign of the dinosaurs had ended and the age of mammals had begun.
The crucial link that has held this theory together has been the element iridium. Iridium is not commonly found on either the surface of the earth or inside the crust. It is more commonly found in asteroids or meteorites throughout the solar system. Scientists have hypothesized that after the asteroid impacted the earth, an even layer of iridium sediment settled over the globe and eventually became part of its surface. The theory, of course, has depended on the discovery of such an existing layer of iridium.
Unfortunately scientists have never been able to offer absolute proof that this asteroid impact ever occurred. Recently, however, a discovery may go a long way toward validating these scientists’ theories. In 1996, a team of marine biologists excavated samples of rock from the floor of the Atlantic Ocean just the coast of Bermuda. Found thousands of meters below the sea, these samples contain iridium similar to those found in the Yucatan peninsula thousands of kilometers away. At first, scientists were skeptical whether the samples were from the same time period. But since carbon dating placed them to 65 million years ago, their doubts were quickly alleviated. Since then many of the other theories for the demise of the dinosaur have been finally laid to rest.
Quảng cáo
Câu 1: This passage mainly discusses a theory about _____.
A. archeological evidence from Mexico and the Atlantic Ocean
B. the extinction of the dinosaurs
C. which type of dinosaur roamed where
D. why the dinosaurs turned into birds and reptiles
-
Đáp án : B(0) bình luận (0) lời giải
Giải chi tiết:
Sentence: " For many years, scientists have speculated that the cataclysmic impact of an asteroid with the earth was responsible for the demise of the dinosaurs approximately 65 million years ago. "
Lời giải sai Bình thường Khá hay Rất Hay
Câu 2: According to the passage, approximately how large was the asteroid that scientists believe truck the Earth?
A. 1000 kilometers in diameter
B. 2 kilometers in diameter
C. 99 kilometers in diameter
D. 65 kilometers in diameter
-
Đáp án : B(0) bình luận (0) lời giải
Giải chi tiết:
Sentence : " Previous discoveries and results have hinted that an asteroid two kilometers in diameter struck the Yucatan peninsula "
Lời giải sai Bình thường Khá hay Rất Hay
Câu 3: The word “hinted” is closest in meaning to _____.
A. denied
B. disproved
C. flirted
D. implied
-
Đáp án : D(0) bình luận (0) lời giải
Giải chi tiết:
Hinted = gợi ý, ám chỉ
A. từ chối
B. bác bỏ
C. tán tỉnh
D. ám chỉ
Lời giải sai Bình thường Khá hay Rất Hay
Câu 4: The word “cast” is closest in meaning to _____.
A. excused
B. shone
C. dispersed
D. climbed
-
Đáp án : C(0) bình luận (0) lời giải
Giải chi tiết:
cast = nấu chảy
A. xin phép
B. chiếu sáng
C. phân tán, làm tan
D. trèo
Lời giải sai Bình thường Khá hay Rất Hay
Câu 5: What can be inferred from the passage about asteroid impact mentioned italicized words?
A. A planetary remained fairly constant.
B. New plants and animals evolved with the changed environment.
C. The gravitational force form the earth’s core is altered.
D. The climate remained fairly constant.
-
Đáp án : B(0) bình luận (0) lời giải
Giải chi tiết:
Sentence : " With such a radical change in the earth’s environment, scientists believe that over 99% of all animal and plant species were eradicated. Only after millions of years did plants and animals even begin to recover"
Lời giải sai Bình thường Khá hay Rất Hay
Câu 6: The word “reign” is closest in meaning to _____.
A. dominance
B. understanding
C. denial
D. extremity
-
Đáp án : A(0) bình luận (0) lời giải
Giải chi tiết:
reign = thống trị
A. sự thống trị
B. hiểu
C. phủ nhận
D. cực đoan
Lời giải sai Bình thường Khá hay Rất Hay
Câu 7: The word “It” refers to _____.
A. asteroids
B. crust
C. iridium
D. earth
-
Đáp án : C(0) bình luận (0) lời giải
Giải chi tiết:
Sentence: "The crucial link that has held this theory together has been the element iridium. Iridium is not commonly found on either the surface of the earth or inside the crust. It is more commonly found in asteroids or meteorites throughout the solar system."
Lời giải sai Bình thường Khá hay Rất Hay
Câu 8: What does the third paragraph of the passage mainly discuss?
A. The composition of the ocean floor in the Atlantic Ocean.
B. Recent discoveries that may confirm the asteroid impact hypothesis.
C. The discovery of ancient fossils located far beneath the ocean floor.
D. The major processes that have created the Earth’s crust.
-
Đáp án : B(0) bình luận (0) lời giải
Giải chi tiết:
Sentence : " Recently, however, a discovery may go a long way toward validating these scientists’ theories." and " a team of marine biologists excavated samples of rock from the floor of the Atlantic Ocean just the coast of Bermuda. Found thousands of meters below the sea, ..."
Lời giải sai Bình thường Khá hay Rất Hay
Câu 9: According to the passage, the iridium found beneath the ocean floor near Bermuda _____.
A. is similar to the iridium found on the Yucatan peninsula
B. originated from dinosaur remains
C. was chemically manufactured by miners
D. can be refined into fossil fuels
-
Đáp án : A(0) bình luận (0) lời giải
Giải chi tiết:
Sentence : "Found thousands of meters below the sea, these samples contain iridium similar to those found in the Yucatan peninsula thousands of kilometers away. "
Lời giải sai Bình thường Khá hay Rất Hay
Câu 10: The paragraph following the passage probably discusses _____.
A. the possibility of a future asteroid impact
B. the relationship between volcanic activity and dinosaur extinction
C. why dinosaurs lived where they did
D. recent computer imagery of dinosaur movement
-
Đáp án : A(0) bình luận (0) lời giải
Giải chi tiết:
Sentence:
- "Previous discoveries and results have hinted that an asteroid two kilometers in diameter struck the Yucatan peninsula in Eastern Mexico. This impact, stronger than one thousand nuclear explosions, is speculated to have cast a cloud of dust and debris into the atmosphere, covering the entire surface of the earth and blocking out the sun and consequently lowering the surface temperature of the earth."
- Iridium is not commonly found on either the surface of the earth or inside the crust. It is more commonly found in asteroids or meteorites throughout the solar system.
Lời giải sai Bình thường Khá hay Rất Hay
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