問題詳情

＜C＞ The Sahara continues to grow __26__ a frightening pace, and northern Africafeels the impact. It’s hard to imagine living where villages are swallowed up by desert,sandstorms pollute the air, and people __27__ as farmers lose land to sand. Although thesituation is dire, an ambitious new project is helping African people fight back.Scientists have devised a solution called the Great Green Wall. __28__ by a groupof African countries, the project __29__ planting a massive belt of trees 7,000 km long and15 km wide.Scientists hope that this project will help slow the growing desert and produce moreland suitable for farming. __30__ it will take decades before the Great Green Wall iscomplete, holding back the inhospitable desert is certainly worth the effort.
26.
(A) at
(B) in
(C) on
(D) by

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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