問題詳情

【題組】50. What is the second paragraph mainly about?
(A) The high cost of desalinating seawater.
(B) The major chemical characteristics of seawater.
(C) The urgent need to turn seawater into fresh water.
(D) The amount of energy produced in the desalination of seawater.

參考答案

答案:A
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)

用户評論

神山日光Ninko】評論

Most parts of Taiwan have access 使用to sufficient 足夠supplies of fresh water純水 for drinking. But fresh water can be in short supply in many arid乾旱/乾燥 regions 地區of the world such as Saudi Arabia, 沙烏地阿拉伯where there are limited water resources. 限制水資源As the world population continues to grow, shortages of fresh water 純水的短缺will occur 發生/出現more often and the need for additional water supplies will become critical. Some may ask, “Since the ocean covers more than 70 percent of the Earth, why not just get drinking water from the ocean?” To turn seawater into fresh water,...