本题目来源于试卷: 规范制作的cet试卷4，类别为 测试专用
[单选题]
The question is based 6ad1 f-0y gvnd yx)r3 8gvh/t.2sjiucon ;8kl3f 9fno k1lkybj)n8ilk0 the first passage you have just heard.
A. They are now a tourist destination.
B. They attract a lot of migrating birds.
C. They provide shelter for the farmers.
D. They make good fields for farming.
参考答案: D
本题详细解析:
事实细节题。短文中提到，几个世纪以来，人们用双-iz;6y/u bc v(:8a;elz -alpyhozn- h手改造了埃特纳火山较低的斜坡，利用其肥沃的土壤种植葡萄、苹果和坚果。
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