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1、閱讀理解精選4
The African elephant, the largest land animal remaining on earth , is of great importance to African ecosystem(生態(tài)系統). Unlike other animals, the African elephant is to a great extent the builder of its environment. As a big plant-eater, it largely shapes the forest-and-savanna(大草原) surroun
2、dings in which it lives, therefore setting the terms of existence for millions of other animals that live in its habitat.
It is the elephant's great desire for food that makes it a disturber of the environment and an important builder of its habitat. In its continuous search for the 300 pounds of
3、plants it must have every day, it kills small trees and under-bushes, and pulls branches off big trees. This results in numerous open spaces in both deep tropical forests and in the woodlands that cover part of the African savannas. In these open spaces are numerous plants in various stages of growt
4、h that attract a variety of other plant-eaters.
Take the rain forests 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 plant
5、s to grow on the forest floor. In such situations, the forests become suitable for large hoofed plant-eaters to move around and for small plant-eaters to get their food as well.
What worries scientists now is that the African elephant has become an endangered species. If the elephant disappears, s
6、cientists say, many other animals will also disappear from vast areas of forest and savanna, greatly changing and worsening the whole ecosystem.
41. What is the passage mainly about?
A. Disappearance of African elephants.
B. Forests and savannas as habitats for African elephants.
C. The effe
7、ct of African elephants' search for food.
D. The eating habit of African elephants.
42. What does the underlined phrase “setting the terms” most probably mean?
A. Fixing the time. B. Worsening the state.
C. Improving the quality. D. Deciding the conditions.
43. What do we know abo
8、ut the open spaces in the passage?
A. They result from the destruction of rain forests.
B. They provide food mainly for African elephants.
C. They are home to many endangered animals.
D. They are attractive to plant-eating animals of different kinds.
44. According to the passage, which of
9、the following statements is TRUE?
A. The African elephant is the largest animal on earth.
B. African elephants have 300 pounds of plants every day, including small trees and under-bushes.
C. The African elephant is in a way the builder of the environment like other land animals
D. If the African
10、 elephant disappears, the whole ecosystem won’t be affected.
45. The passage is developed mainly by .
A. showing the effect and then explaining the causes
B. pointing out similarities and differences
C. describing the changes in space order
D. giving examples
【答案與解析】 41—45
11、 CDDBA
本文主要講述了非洲大象的食物鏈對周圍環(huán)境的影響。
41. C 主旨大意題。 往往文章的第一段和最后一段都是透漏文章主旨的地方。而本文正是這樣。我們從這兩段可以讀出，這篇文章是關于非洲象尋找食物所帶來的影響的，所以應該選擇C。
42. D 詞義猜測題。根據上半句和下文existence for millions of other animals可知。
43. D 細節(jié)理解題。Open space出現在文中的第二段的第三句和第四句。從第四句中我們可以得知這樣的空地很容易吸引各種各樣的食草動物，所以選擇D。
44. B 細節(jié)理解題。根據文章第二段的第二句話可判斷B為正確答案。
45. A 推理判斷題。通讀后發(fā)現，這篇文章是先講述大象尋找食物所帶來的影響，然后解釋原因的，所以要選擇A。
廣東省2013年高考英語二輪復習 同步專題 閱讀理解4
