問題詳情

(C.)Statistics from the World Health Organization show that about 900 million peopleworldwide don’t have access 61 drinking water and that every year more than 3.5million people die from 62 unsanitary water.     Dean Kamen and his team at DEKA Research in New Hampshire invented a device knownas Slingshot, which can produce clean water from almost any source, including river water,ocean water, raw sewage, etc. According to Kamen, Slingshot is a portable machine that canbe 63 by cow dung. It boils, distills and vaporizes the polluted water. It is designedto transform most of the undrinkable water into water that can be used and drunk64 . And it does this on less electricity than it 65 to run a hair dryer.
61.
(A) with
(B) of
(C) to
(D) over

參考答案

答案：C
難度：適中0.5
統計：A(0),B(1),C(1),D(0),E(0)

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