問題詳情


(C) Clean, fresh water is essential to life. Unfortunately, it’s not always 26. in some parts of the world. Thanks to a new invention, however, people who need water can now pull it straight out of the air. The Drought Master, which was invented by Terry LeBleu of Granite Shoals, Texas, can produce between 20 to 25 liters of drinkable water a day depending on 27. . (Jan S1)Selling for US$500, the Drought Master was already put to use by Texans looking to 28. the severe drought that hit the region in the summer of 2011. Though the price tag may seem a little steep, the machine easily pays for itself 29. that a liter of water costs about one penny in electrical charges. Those concerned about safety also 30. worry. An independent lab took samples of the water and found that it had no harmful bacteria and was free of metals.
26.
(A) productive
(B) available
(C) marvelous
(D) impressive

參考答案

答案：B
難度：適中0.5
統計：A(1),B(2),C(0),D(0),E(0)

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