Câu hỏi:
13/08/2020 31,960Choose A, B, C, or D that best completes each sentence. Humans_______ atmospheric carbon dioxide concentration by a third since the Industrial Revolution began.
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Trả lời:
Đáp án:
Dấu hiệu: since + mệnh đề thì QKĐ/ mốc tg trong quá khứ: kể từ...
=> dùng thì hiện tại hoàn thành
Chú ý: phân biệt với since (bởi vì)
=> Humans have increased atmospheric carbon dioxide concentration by a third since the Industrial Revolution began.
Tạm dịch: Con người đã tăng nồng độ khí CO2 trong khí quyển lên 1/3 kể từ khi Cách mạng công nghiệp bắt đầu.
Đáp án cần chọn là: B
CÂU HỎI HOT CÙNG CHỦ ĐỀ
Câu 1:
Choose A, B, C, or D that best completes each sentence. _______ the desalination plant, the company could offer an effective solution to the problem of water scarcity.
Câu 2:
Choose A, B, C, or D that best completes each sentence. The public praised the local farmers for _______ millions of trees on the surrounding hills.
Câu 3:
Choose A, B, C, or D that best completes each sentence. We admired the Japanese _______ the city of Fukushima after the disaster.
Câu 4:
Choose A, B, C, or D that best completes each sentence. All of the disasters resulted from_______ will continue to have a devastating effect on socio-economic development.
Câu 5:
Choose A, B, C, or D that best completes each sentence. They don’t forget _______ a short vacation in Cuc Phuong National Park last year.
Câu 6:
Choose A, B, C, or D that best completes each sentence. Certain _______ in the atmosphere, such as carbon dioxide, methane and nitrous oxide, block heat from escaping.
Câu 7:
Choose A, B, C, or D that best completes each sentence. Carbon dioxide is released through _______ processes such as respiration and volcano eruptions and through__________activities such as deforestation, land use changes, and burning fossil fuels.
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