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  3. Which of the following is mentioned as a result of severe desertification? What can we learn about the policy choice in the las

Which of the following is mentioned as a result of severe desertification? What can we learn about the policy choice in the las

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问题 Which of the following is mentioned as a result of severe desertification?
What can we learn about the policy choice in the last sentence?
选项 A、It’s the best way to solve the desertification in America.
B、It’s the way which America is undertaking now.
C、The Americans will benefit a lot from it in the future.
D、It’s a costing and ineffective way to solve the desertification in America.
答案D
解析 由题干中的the policy choice in the last sentence定位到原文末段末句... then the policy choice is simply to pay now for the appropriate remedies or pay for later when productive benefits from arid land resources have been both realized and largely terminated．[精析] 语义理解题[考频：37]。由原文“那么现在政策上只有此选择：要么现在就为合理的补救付出代价，要么就在以后付出更加沉重的代价；那时从干旱土地资源中产生的利益已经被实现，同时也被开发殆尽”可以推知，此策略代价很高，并非有效地解决沙漠化的措施。故D)为正确答案。[避错] 原文并没有说这是最好的解决方式，而且联系下文可推知该策略可能导致各种代价，排除A)；由原文末句开头If可知这是假设，B)说现在美国正在实施，这与文意不符，排除：由原文“要么现在就为合理的补救付出代价，要么就在以后付出更加沉重的代价”可知C)“美国人在未来会因之受益颇多”不正确，排除。
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