49 According to the passage, which of the following statements is true?
(A)The project discusses the sources of water on Earth in the sources section
(B)The project examines the ways in which humans pollute water in the distribution section
(C)The project examines the types of water management techniques in the treatment section
(D)The project says that new sources of clean drinking water can no longer be found

49根據通過下面的語句，這是真的嗎？
（A）該項目討論了在地球上的水源來源
（B）該項目研究的方法，使人類污染水體的分佈區
（C）該項目研究的水資源管理技術，在治療部分
（D）說，該項目新的乾淨的飲用水源，可以不再被發現

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project 項目
discusses 討論
sources 來源
section 部分

In the treatment section, we examine the ways in which both humans and nature pollute our water—and what can be done to clean it.

C)The project examines the types of water management techniques in the treatment section

The sources section reveals where water is found on Earth and how such areas can be protected. The kinds of sources available also determine the types of management techniques that can be used to make the most of every drop.