Câu hỏi:
30/12/2020 361Yuri Gagarin was the first person __________into space
Đáp án chính xác
Câu hỏi trong đề:
Top 5 Đề thi Học kì 1 Tiếng Anh 10 Thí điểm 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
Đáp án: D
Giải thích: Rút gọn mệnh đề quan hệ với số thứ tự ta dùng to V
Dịch: Yuri Gagarin là người đầu tiên du hành vào vũ trụ
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 word(s) CLOSEST in meaning to the underlined word(s) in each of the following
An international medical conference initiated by Davison resulted in the birth of the League of Red Cross Societies in 1991.
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30/12/2020
2,241
Câu 2:
Mark the letter A, B, C, or D on your answer answer sheet to indicate the underlined part that needs correction in each of the questions
The team leader demanded from his team members a serious attitude towards work , a good team spirit, and that they work hard
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30/12/2020
1,829
Câu 4:
Mark the letter A, B, C, or D on your answer answer sheet to indicate the underlined part that needs correction in each of the questions
By the time Robert will finish writing the first draft of his paper, most of the other students will have completed their final draft
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30/12/2020
981
Câu 5:
The team reached the top of the mountain. The team spent a night there.
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30/12/2020
851
Câu 6:
Read the following passage and mark the letter A, B, C, or D on your answer answer to each of the questions
An air pollutant is defined as a compound added directly or indirectly by humans to the atmosphere in such quantities as to affect humans, animals, vegetation, or materials adversely . Air pollution requires a very flexible definition that permits continuous change. When the first air pollution laws were established in England in the fourteenth century, air pollutants were limited to compounds that could be seen or smelled – a far cry from the extensive list of harmful substances known today. As technology has developed and knowledge of health aspects of various chemicals has increased, the list of air pollutants has lengthened. In the future, even water vapor might be considered an air pollutant under certain conditions. Many of more important air pollutants such as sulfur oxides, carbon monoxide, and nitrogen oxides, are found in nature. As the Earth developed, the concentrations of these pollutants were altered by various chemical reactions; they became components in biogeochemical cycle. Theseserve as an air purification scheme by allowing the compounds to move from the air to the water or soil on a global basis, nature's output of these compounds dwarfs that resulting from human activities.
However, human production usually occurs in a localized area, such as a city. In this localized regions, human output may be dominant and may temporarily overload the natural purification scheme of the cycle. The result is an increased concentration of noxious chemicals in the air. The concentrations at which the adverse effects appear will be greater than the concentrations that the pollutants would have in the absence of human activities. The actual concentration need not be large for a substance to be a pollutant; in fact the numerical value tells us little until we know how much of an increase this represents over the concentration that would occur naturally in the area. For example, sulfur dioxide has detectable health effects at 0.08 parts per million (ppm), which is about 400 times its natural level. Carbon monoxide, however, as a natural level of 0.1 ppm and is not usually a pollutant until its level reaches about 15 ppm.
The word "detectable" in the third paragraph is closest in meaning to
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30/12/2020
788
Câu 7:
Mark the letter A, B, C, or D on your answer sheet to indicate the semtence that best combines each pair of sentences in the following questions
People should not throw rubbish in the park. People should not cut down the trees in the park.
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30/12/2020
747
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