It is estimated that Antarctica boasts of the richest reserves of fres-考呗网题库移动版

单选题It is estimated that Antarctica boasts of the richest reserves of fresh water on earth.

参考答案D

解析:[D]

单选题The demand for energy resources may compel renegotiation of Antarctica’s treaties before their expiration.

单选题Many countries are racing against each other to increase their business and strategic influence on Antarctica.

单选题Antarctica’s harsh natural conditions constitute huge obstacles to the exploitation of its resources.