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Why does the author mention a planet or a star in...

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 35 to 42.
Albert Einstein, a German born in March, 1879, is probably the most famous physicist in history. Einstein became interested in physics at an early age. When he was 5 years old, his father showed him a compass. Even at that young age, Einstein comprehended that something in space was making the needle move. From this early interest, Einstein would grow to become the physicist that formulated the special and general theories of relativity. He also contributed to the quantum theory and statistical mechanics. He received the Nobel Prize in Physics for his explanation of the photoelectric effect and for his contributions to Theoretical Physics. However, it was his Theory of Relativity that made Einstein a household name and people associated Einstein with the word "genius".
When Einstein saw that Newtonian mechanics was insufficient, he first began his scientific work. It could not make the laws of mechanics agree with the laws of the electromagnetic field. Einstein theorized that a theory of relativity must take the theory of gravitation into consideration. So Newton's law of gravity was not completely accurate. Einstein's equation E = mc2​ replaced Newton's law of gravity. Einstein's theory was believed correct because it took electromagnetic phenomena into consideration. It also made allowance for a characteristic of gravitation specifically in that it curves over space and time. This meant that matter such as a planet or a star could make space and time curve in response to the matter that existed. This theory was important because it took into consideration the fact that the universe is constantly changing and expanding
Einstein's works formed an important part of the foundation of modern physics, and brought great fame to Einstein. But they were completed without conferring with his scientific colleagues and with very little reference to existing scientific reading materials. For this reason, many scientists were resentful of him. However, Einstein truly deserved fame.
Why does the author mention a planet or a star in paragraph 2?
A. To suggest that matter is large in size
B. To show that only stars and planets exist in space
C. To provide an example of matter
D. To support the idea that the universe is changing
Kỹ năng đọc hiểu: Tìm thông tin chi tiết trong bài đọc
Giải thích chi tiết:
Tại sao tác giả đề cập đến một hành tinh hoặc một ngôi sao trong đoạn 2?
A. Để gợi ý rằng vật chất có kích thước lớn
B. Để thể hiện rằng chỉ các ngôi sao và hành tinh mới tồn tại trong không gian
C. Để đưa ra một ví dụ về vật chất
D. Để ủng hộ quan điểm vũ trụ đang thay đổi
Dựa vào cụm such as trong ... matter such as a planet or a star..., có thể thấy a planet a star là chỉ đơn giản là ví dụ của matter và không chứa đựng bất kỳ thông tin gì về kích thước, sự tồn tại của ngôi sao hay hành tinh trong không gian, hoặc sự thay đổi của vũ trụ.
Do vậy, phương án C là phù hợp nhất.
Ý nghĩa của câu: Điều này có nghĩa rằng vật chất, ví dụ như một hành tinh hoặc một ngôi sao, có thể khiến không gian và thời gian bị uốn cong khi phản ứng với các vật chất đã tồn tại.
Đáp án C.
 

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