Câu hỏi:
04/04/2020 376Mark the letter A, B, C, D on your answer sheet to show the underlined part that needs correction.
The amount of oxygen and nitrogen in the air almost always remain stable, but the amount of water vapor vary considerably.
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).
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Trả lời:
Đáp án A
Sửa lại: vary => varies
Động từ đi sau The amount of + uncountable Noun phải ở dạng số ít.
Dịch nghĩa: Lượng ôxy và nitơ trong không khí hầu như luôn luôn ổn định, nhưng lượng hơi nước biến đổi khá đáng kể.
CÂU HỎI HOT CÙNG CHỦ ĐỀ
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Câu 2:
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Câu 3:
Mark the letter A, B, C, D on your answer sheet to show the underlined part that needs correction.
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Câu 7:
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