The word them in paragraph 2 refers to __________.
A. a warmer climate
B. the brown bears
C. the genetic structure of polar bears
Giải bởi Vietjack
Tạm dịch : Từ “them” ở đoạn 2 đề cập đến __________.
A. khí hậu ấm hơn
B. gấu nâu
C. cấu trúc di truyền của gấu Bắc Cực
D. Shi Ping Liu và các đồng nghiệp
Chọn D
- A 2014 study by Shi Ping Liu and colleagues sheds light on this mystery. They compared the genetic structure of polar bears with that of their closest relatives from a warmer climate, the brown bears. This allowed them to determine the genes that have allowed polar bears to survive in one of the toughest environments on Earth. Một nghiên cứu năm 2014 của Shi Ping Liu và các đồng nghiệp đã làm sáng tỏ bí ẩn này. Họ so sánh cấu trúc di truyền của gấu Bắc Cực với họ hàng gần nhất của chúng ở vùng có khí hậu ấm hơn là gấu nâu. Điều này cho phép họ xác định các gen giúp gấu Bắc cực tồn tại ở một trong những môi trường khắc nghiệt nhất trên Trái đất.
It has been many years since the last time we said goodbye to each other.
The health department issued a warning about the outbreak of a communicative disease in the area, urging residents to take preventive measures.
Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.
She commuted that road alone countless times during the night. Then she came to realize the true extent of its peril.
Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
People are talking a lot about ultra-processed food (UPF). Experts say that UPF is bad for its health.
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.
Cutting down forests for farming purposes of locals is always banned by local authorities.
“I believe he will live well even if I'm not by his side”, she said.
The project was__________, and the team worked overtime to complete it.
Going on vacation this year is out of the __________ due to financial problems.
The Ode (30) _________ peace and international understanding. A singer in a Viennese choir called Beethoven's Ninth "wonderful". She added that it "moves from the darkness to the light".
according to the passage, all of the following are true, EXCEPT_______?
