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 : 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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