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Câu hỏi:
Unless this biodiversity were maintained, marine life would be at stake.
- A. If this biodiversity were maintained, marine life would be at stake.
- B. If this biodiversity weren’t maintained, marine life would be at stake.
- C. If this biodiversity were maintained, marine life wouldn’t be at stake.
- D. If this biodiversity weren’t maintained, marine life wouldn’t be at stake.
Lời giải tham khảo:
Đáp án đúng: B
Kiến thức: Câu điều kiện loại 2
Giải thích: unless = if ... not: nếu ... không
Tạm dịch: Nếu sự đa dạng sinh học này không được duy trì, thì sinh vật biển sẽ bị đe dọa.
A. Nếu sự đa dạng sinh học này được duy trì, các sinh vật biển sẽ bị đe dọa. => sai về nghĩa
C. Nếu sự đa dạng sinh học này được duy trì, sinh vật biển sẽ không bị đe dọa. => sai về nghĩa
D. Nếu sự đa dạng sinh học này không được duy trì, sinh vật biển sẽ không bị đe dọa. => sai về nghĩa
Chọn B
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