Câu hỏi:
20/04/2022 255The creation of helium within stars___________
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:
Việc tạo ra helium trong các ngôi sao ________.
A. làm cho helium có nhiều ở sao già hơn nhiều so với sao trẻ
B. sản xuất hydro dưới dạng sản phẩm phụ
C. không thể đo được
D. tạo ra năng lượng
Đáp án: D
Giải thích: “...nuclear reactions that convert hydrogen to helium are responsible for most of the energy that stars produce”: các phản ứng hạt nhân chuyển đổi hydro thành helium chịu trách nhiệm cho hầu hết năng lượng mà các ngôi sao tạo raCÂU HỎI HOT CÙNG CHỦ ĐỀ
Câu 1:
I don't like to ask people for help as a rule but I wonder if you could ___________ me a favor.
Câu 2:
The government issued a warning to local companies that all waste must be disposed of___________ or they will face heavy fines.
Câu 3:
You shouldn't criticize him in front of his friends. It was insensitive of you.
Câu 4:
I extend my sincere ___________ to the family and friends of John Miller, who has suddenly left us at the age of 54.
Câu 5:
Before giving presentation, always ___________ the focus on the projector so that everyone can read what is on the screen.
Câu 6:
Read the following passage and mark the letter A, B, C, or D on your answer sheet to choose the word or phrase that best fits each of the numbered blanks from 25 to 29
Tourism is a big business. Millions of people around Europe spend their winters planning their destinations for the following summer, and their summers (25) ___________ to foreign climes for two weeks in the sun. They are the modern-day descendants of the aristocrats and the wealthy who would take months to complete the "Grand Tour” of Europe. But unlike their forefathers, tourists these days get a bad press. They're not (26) ___________ in the local culture, we're told they're just after the chance to behave a bit more wildly than they do at home. What's more, they damage the local environment and don't respect the locals and their way of life.
But are tourists really to blame? (27) ___________is it the fault of the tourist industry, which has failed to provide reasonably-priced alternatives? And if the local resort only offers a succession of bars for the tourists to visit, can we really criticize them for not doing more cultural activities? One holiday company, Far and Away, claims that tourists are crying out for more cultural holidays and believes that it has (28) ___________to come up with a range of package holidays which are affordable, culturally interesting, and environmentally friendly. Their brochure, which is to be (29) ___________ later this month, offers 200 holidays based on cultural themes, including history and architecture, learning the language, meeting the locals.
Câu 7:
Tomorrow will be mainly sunny. There may be a few showers but these are not expected to ___________ long.
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