Câu hỏi:
20/04/2022 147
Most of the helium in the universe was formed___________
Most of the helium in the universe was formed___________
Đáp án chính xác
Câu hỏi trong đề:
Bộ 25 đề thi thử THPT Quốc gia môn Tiếng anh có đáp án năm 2022 !!
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).
Quảng cáo
Trả lời:
Giải bởi Vietjack
Hầu hết helium trong vũ trụ được hình thành.
A. trong một thời gian rất ngắn
B. trong phút đầu tiên của sự tồn tại của vũ trụ
C. trong không gian liên sao
D. trước phần lớn hydro
Đáp án: A
Giải thích: “However, when the universe was less than one minute old, no helium could have existed...”, “By the time the universe was a few minutes old, helium production had effectively ceased.”: Tuy nhiên, khi vũ trụ chưa tồn tại được đầy một phút, không có helium nào có thể tồn tại...Vào thời điểm vũ trụ tồn tại đã được vài phút, việc sản xuất helium trên thực tế đã chấm dứt. việc sản xuất Heli chỉ diễn ra trong vài phút.
Nhà sách VIETJACK:
CÂU 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.
Xem đáp án »
20/04/2022
5,357
Câu 2:
The government issued a warning to local companies that all waste must be disposed of___________ or they will face heavy fines.
Xem đáp án »
20/04/2022
2,409
Câu 3:
You shouldn't criticize him in front of his friends. It was insensitive of you.
Xem đáp án »
20/04/2022
2,389
Câu 4:
I extend my sincere ___________ to the family and friends of John Miller, who has suddenly left us at the age of 54.
Xem đáp án »
20/04/2022
1,606
Câu 5:
Before giving presentation, always ___________ the focus on the projector so that everyone can read what is on the screen.
Xem đáp án »
20/04/2022
1,558
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.
Xem đáp án »
20/04/2022
1,034
Câu 7:
Tomorrow will be mainly sunny. There may be a few showers but these are not expected to ___________ long.
Xem đáp án »
20/04/2022
1,012
về câu hỏi!