Câu hỏi:
28/08/2021 481Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks Light pollution is the existence of too much unwanted, artificial light in the environment. Too much light pollution has (5) _______ effects on people. It upsets ecosystems, has bad health effects, and wastes energy. In upsetting ecosystems, light pollution poses a serious threat in particular to night wildlife, having damaging impacts on plant and animal physiology. It can affect the migratory patterns of animals, change competitive interactions of animals, and cause physiological harm. The rhythm of life as we know it is controlled by the natural daily patterns of light and dark. (6) _______, the disruption to these patterns does harm to the ecological dynamics. With respect to adverse health effects, many species, especially humans, are dependent on natural body cycles, and the production of melatonin, (7) _______ are regulated by light and dark (e.g., day and night). If humans are exposed to light while sleeping, melatonin production can be affected. This can lead to sleep disorders and (8) _______ health problems such as increased headaches, worker fatigue, stress, some forms of obesity due to lack of sleep and increased anxiety. Health effects are not only due to over-illumination or excessive (9) _______ of light over time, but also improper spectral composition of light. (Adapted from https://www.globeatnight.org/light-pollution.php)
Đáp án chính xác
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
Kiến thức: Đại từ quan hệ
Giải thích:
Trong mệnh đề quan hệ:
- that: thay thế cho danh từ chỉ người và vật, không đứng sau dấu “,”
- whom: thay thế cho danh từ chỉ người đóng vai trò làm tân ngữ
- which: thay thế cho danh từ chỉ vật
- whose + N: thay thế cho tính từ sở hữu
Dấu hiệu: trước chỗ trống là dấu “,” => loại A, D.
Cần điền đại từ quan hệ thay thế cho cụm từ chỉ vật “the production of melatonin” => dùng “which”.
With respect to adverse health effects, many species, especially humans, are dependent on natural body cycles, and the production of melatonin, (7) which are regulated by light and dark (e.g., day and night).
Tạm dịch: Đối với các tác động xấu đến sức khỏe của nhiều loài, đặc biệt là con người, phụ thuộc vào chu kỳ cơ thể tự nhiên và việc sản xuất melatonin, được điều chỉnh bởi ánh sáng và bóng tối (ví dụ, ngày và đêm).
Chọn C.
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 underlined part that needs correction in each of the following questions
A panel of uninterested judges who had never met the contestants before judged the singing contest with justice
Xem đáp án »
28/08/2021
4,758
Câu 2:
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions
When you grow up, you must learn how to become independent _______ your parents
Xem đáp án »
28/08/2021
4,253
Câu 3:
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions
The journalist had to _______ because what he had written in his article about the celebrity's private life was wrong
Xem đáp án »
28/08/2021
3,906
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
Last night, she _______ a big diamond ring by her husband-to-be at her birthday party
Xem đáp án »
28/08/2021
3,717
Câu 5:
Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best completes each of the following exchanges
Jenny and Anna are having a discussion about interesting career options.
- Jenny: "I think teaching is one of the most rewarding jobs because it gives you a chance to create impacts on future generations."
- Anna: “_________________”
Xem đáp án »
28/08/2021
3,552
Câu 6:
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
You were supposed to hand in this assignment two days ago
Xem đáp án »
28/08/2021
2,741
Câu 7:
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
The most diligent students, who always put efforts into what they do, will succeed
Xem đáp án »
28/08/2021
2,528
về câu hỏi!