What are the technical matters mentioned as the difficulty arising in the process of obtaining fresh

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. The prevention of rapid melting iceberg

B. The filtering water and the funneling it to shore in a large amount 

C. The purifying the fresh water and carrying it to shore 

D. The prevention of rapid melting and the funneling to shore in great volume

* Đáp án

* Hướng dẫn giải

Đáp án : D

Thông tin ở câu đầu tiên đoạn cuối: “The difficulty arises in other technical matters, such as the prevention of rapid melting in warmer climates and the funneling of fresh water to shore in great volume.”

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