Câu hỏi :

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions.

A. They break off from glaciers

B. Seawater freezes 

C. Rivers freeze

D. Small pieces of floating ice converge

* Đáp án

* Hướng dẫn giải

Đáp án : A

Thông tin ở đoạn 3: “Icebergs are not like sea ice, which is formed when the sea itself freezes; rather, they are formed entirely on land, breaking off when glaciers spread over the sea.”

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