問題詳情


(E) Columbia University professor Dickson Despommier believes that future farms should bebuilt upward, in multistory skyscrapers. The skyscrapers he envisioned would be shaped like acone to 42. the maximum amount of sunlight. They would be able to 43. about a hundreddifferent kinds of plants annually. Solar collectors would supply energy. And nutrients for the cropswould come from treated sewage.Despommier argues that vertical farms would not only provide food 44. help fight globalwarming. 45. clearing forests to build more traditional farms, we could plant trees on existingfarms. Farmers who lose their jobs because of vertical farms could be employed to plant and carefor these forests. More space would also be freed up to plan crops 46. corn and rice, whicharen’t suited for growing in vertical farms. Although Despommier has already spent over ten years47. vertical farming, he still needs to find a way to make it more economically competitive withtraditional farms.
42.
(A) let in
(B) go off
(C) apply to
(D) zoom in on

參考答案

答案：[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)

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