Wasting wood is a serious problem in conserving the resources, which are distributed unevenly and affected by other natural fact

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问题 Wasting wood is a serious problem in conserving the resources, which are distributed unevenly and affected by other natural factors.
  
Throwing away food means wasting the resources used in its production, such as water. This is especially foolish in dry countries such as Spain. The problem is set to get worse as climate change makes rainfall patterns less predictable.
Visas offer governments a way to control their borders, whether to regulate the flow of immigrants or to pick-out threats to security. But the paperwork and fees they entail also deter legitimate tourists and business travelers.

选项 A、正确
B、错误

答案A

解析 文中“deter legitimate tourists and business travelers”可以推断出作者认为签证的流程工作和费用会影响游客的行程。
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