2014届高三英语一轮单元复习训练：Modules 4～6综合技能测试（外研版必修3）_高考复习指南

　　the African savannas. In these open spaces are numerous plants in various stages of growth that attract a

　　variety of other planteaters.

　　Take the rainforests for example. In their natural

　　state, the spreading branches overhead shut out sunlight

　　and prevent the growth of plants on the forest floor. By

　　pulling down trees and eating plants, elephants make

　　open spaces, allowing new plants to grow on the forest

　　floor. In such situations，the forests become suitable for

　　large hoofed planteaters to move around and for small

　　planteaters to get their food as well.

　　What worries scientists now is that the African

　　elephant has become an endangered species. If the

　　elephant disappears, scientists say, many other animals

　　will also disappear from vast areas of forest and savanna,

　　greatly changing and worsening the whole ecosystem.

　　36．What is the passage mainly about?

　　A．Disappearance of African elephants.

　　B．Forests and savannas as

　　habitats for African

　　elephants.

　　C．The effect of African elephants' search for food.

　　D．The eating habit of African elephants.

　　答案：C　主旨大意题。往往文章的第一段和最后一段都是透露文章主旨的地方。而本文正是这样。这篇文章是关于非洲象寻找食物所带来的影响的，故选C项。

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