We spent about one-third of our lives sleeping. We know relatively little about sleep

Câu hỏi :

We spent about one-third of our lives sleeping. We know relatively little about sleep.

A. Despite spending about one-third of our lives sleeping, we know relatively little about sleep.

B. We spend about one-third of our lives sleeping so that we know relatively little about sleep.

C. We know relatively little about sleep, as a result, we spend about one-third of our lives sleeping.

D. We shall know more about sleep if we spend more than one-third of our lives sleeping.

* Đáp án

A

* Hướng dẫn giải

Chúng ta đã dành ra 1/3 cuộc đời để ngủ. Chúng ta biết rất ít về giấc ngủ. 

= A. Mặc dù dành ra 1/3 cuộc đời để ngủ, nhưng chúng ta biết rất ít về giấc ngủ. 

Cấu trúc câu tương phản, đối lập: Despite N/V-ing, S V O (Mặc dù…, nhưng…).

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