Câu hỏi:
12/03/2020 1,049Read 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 30 to 34.
Genetic modification of foods is not a new practice. It has been practiced for thousands of years under the name of "selective breeding". Animals and plants were chosen because they had traits that humans found useful. Some animals were larger and stronger than others, or they yielded more food, or they had some other trait that humans valued. Therefore, they were bred because of those traits. Individuals with those traits were brought together and allowed to breed in the hope that their offspring would have the same traits in greater measure.
Much the same thing was done with plants. To produce bigger or sweeter fruit, or grow more grain per unit of land, strains of plants were combined and recombined to produce hybrids, or crossbreeds that had the desired traits in the right combinations. All the while, however, biologists wondered: is there a more direct and versatile way to change the traits of plants and animals? Could we rewrite, so to speak, the heredity of organisms to make them serve our needs better?
In the 20th century, genetic modification made such changes possible at last. Now, it was possible to alter the genetic code without using the slow and uncertain process of selective breeding. It even became possible to blend plants and animals genetically: to insert animal genes into plants, for example, in order to give the plants a certain trait they ordinarily would lack, such as resistance to freezing. The result was a tremendous potential to change the very nature of biology.
The word "blend" in paragraph 3 mostly means ______.
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Câu hỏi trong đề:
Tổng hợp đề thi thử THPTQG môn Tiếng Anh có đáp án !!
Sách mới 2k7: Tổng ôn Toán, Lí, Hóa, Văn, Sử, Địa…. kỳ thi tốt nghiệp THPT Quốc gia 2025, đánh giá năng lực (chỉ từ 110k).
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Trả lời:
Giải bởi Vietjack
Từ “blend” trong đoạn 3 gần nghĩa với _____.
A. combine (v): trộn, kết hợp
B. collect (v): thu thập
C. gather (v): tập trung
D. carry (v): mang, vác, xách
Thông tin: It even became possible to blend plants and animals genetically: to insert animal genes into plants, for example, in order to give the plants a certain trait they ordinarily would lack, such as resistance to freezing.
Tạm dịch: Thậm chí, người ta có thể trộn thực vật và động vật về mặt di truyền: ví dụ, lấy gen động vật chèn vào thực vật, để tạo cho cây một đặc điểm nhất định mà chúng thường thiếu, chẳng hạn như chống lại sự đóng băng.
Chọn A
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
I have left my book in _______ kitchen and I would like you to get it for me.
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Câu 2:
Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.
With so many daily design resources, how do you stay-up-date with technology without spending too much time on it?
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Câu 3:
Mark the letter A, B, C, or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges
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- Linda: “___________________”
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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
______, no one was absent from the farewell party last night.
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Câu 5:
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
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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
With very high price of oil, people have to ______ on petrol.
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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
Why are you always so jealous _______ other people?
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