Câu hỏi:
05/11/2021 534Read 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 36 to 42.
THE RING OF FIRE
The Ring of Fire is an enormous chain of volcanoes all around the Pacific Ocean. The ring goes from New
Zealand up to Asia and across the ocean to Alaska. From Alaska, the ring continues southward along the coast of both North and South America. More than seventy-five percent of the world’s volcanoes are situated in this ring.
Scientists are interested in studying the Ring of Fire because they can observe plate tectonics at work there. In 1912, a German scientist, Alfred Wegener, came up with the first theory of land movement. Wegener said continents are made up of lighter rocks resting on heavier material. Similar to the way large things move while floating on water, Wegener suggested that the positions of the continents were not fixed, but that they moved slightly. Later, scientists discovered most of Wegener’s ideas were right on the mark. They then developed the theory called plate tectonics.
According to plate tectonics, the surface of the Earth consists of a number of enormous plates or sections of rock, each about eighty kilometers thick. The plates float and slowly move at speeds between one and ten centimeters every year. That is about the rate your fingernails grow! Within the Ring of Fire, new material for the Earth’s plates is constantly being created as hot liquid rock called magma flows from the center of the Earth up to the ocean floor. All the existing plates on the Earth’s surface have to move slightly to make room for the new material.
As plates move both away from and toward each other, they run into each other. When they hit each other, one plate might move under another. This process is called subduction. Subduction frequently causes earthquakes. It may also result in the bottom plate melting due to the extreme temperatures under the top plate. The magma created in this process can rise to the Earth’s surface and come out through volcanoes, as can be seen along the Ring of Fire.
The word “They” in paragraph 2 refers to _________.
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Trả lời:
Giải bởi Vietjack
Đáp án:C
Kiến thức : Đọc hiểu
Giải thích: Từ "they" trong đoạn 2 đề cập đến _________.
A. mảng kiến tạo B. ý tưởng của Wegener
C. các nhà khoa học D. các giả thuyết
Thông tin: Later, scientists discovered most of Wegener’s ideas were right on the mark. They then developed the theory called plate tectonics.
Tạm dịch: Sau đó, các nhà khoa học phát hiện ra hầu hết các ý tưởng của Wegener đã đi đúng hướng. Sau đó, họ phát triển lý thuyết gọi là kiến tạo mảng.
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 sentence that best combines each pair of sentences in the following questions
Yuri Gagarin made a successful space flight in 1961. Human’s uncertainties about universe were enlightened only then
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Câu 2:
Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks.
Jack Jones took a gap year before starting university, and that was how he caught the bug for travelling.
Many teenagers choose to take a year off before starting their degree courses at university, a gap year, to have a break from years of (26) _________ study.
Jack had saved (27) ________ money after doing various jobs and decided he needed to learn about other cultures by visiting America and Asia. Usually, the way people spend their gap years depends on their personalities. Somebody (28) ________ is very adventurous is likely to do something more challenging than somebody who is quieter. Jack went for extreme adventure and has never looked back.
As soon as his university course finished, he set off on a three-year trip around the world. (29) ________, he decided only to use transport which was powered by natural energy, which meant relying on bicycles and his legs. When he had to cross water, he decided to work on ships to pay for his passage.
His reason for this decision was to tell his message about environmental change. He made sure to (30) _______ his message on to all the people he met along the way.
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4,979
Câu 3:
Mark the letter A, B, C, or D on your answer sheet to indicate the option that best completes each of the following exchanges
Emma and William are talking about Covid-19 pandemic.
- Emma: “Do you think people should wear face masks everywhere to protect themselves and others?”
- William: “______. Covid-19 virus is easily transmitted from person to person.”
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Câu 4:
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions
He didn’t have to go to prison but he was placed under house ___ for six months
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4,398
Câu 5:
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions
A student may want to know how many stages insects ____ before they become butterflies
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Câu 6:
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions
My grandmother has knitted a _________ pullover for me
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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
She still pursues her dream job as a firefighter __________ many obstacles
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