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Câu hỏi:
Acidification and_________have made 30% of the ocean reefs disappear since 1980.
- A. greenhouse gases
- B. water pollution
- C. global warming
- D. disaters
Lời giải tham khảo:
Đáp án đúng: C
Kiến thức: Đọc hiểu
Giải thích:
Trước động từ “have” (có) cần một danh từ đóng vai trò làm chủ ngữ.
global warming (n): nóng lên toàn cầu
Acidification and global warming have made 30% of the ocean reefs disappear since 1980.
(Quá trình axit hóa và sự nóng lên toàn cầu đã khiến 30% rạn san hô ở đại dương biến mất kể từ năm 1980.)
Thông tin: Besides, due to environmental pollution, 30% of the ocean reefs have been lost because of acidification and global warming since 1980.
(Bên cạnh đó, do ô nhiễm môi trường, 30% rạn san hô ở đại dương đã biến mất do quá trình axit hóa và nóng lên toàn cầu kể từ năm 1980.)
Đáp án: global warming
Chọn C
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