托福考试必读阅读试题：生态系统的稳定.docxVIP

Word文档下载后（可任意编辑） 第 第 PAGE 1 页 共 NUMPAGES 1 页 托福考试必读阅读试题：生态系统的稳定 想要在阅读中获得高分，我们就要在平时多加训练，要注意总结答题技巧和方法，今天就为大家整理了这篇练习题，在托福考试还有很多相关的内容和试题，如果大家有需要可以到网站去看看哦！那么现在我们就先来看一下这篇文章吧！ 11.Which of the sentences below best expresses the essential information in the highlighted sentence in the passage? Incurred choices change the meaning in important ways or leave out essential information.  ○Ecologists now think that the stability of an environment is a result of diversity rather than patchiness.  ○Patchy environments that vary from place to place do not often have high species diversity.  ○Uniform environments cannot be climax communities because they do not support as many types of organisms as patchy environments.  ○A patchy environment is thought to increase stability because it is able to support a wide variety of organisms.  12.The word “adjacent” in the passage is closest in meaning to  ○Foreign  ○Stable  ○Fluid  ○Neighboring  Paragraph 6: Ecologists are especially interested to know what factors contribute to the resilience of communities because climax communities all over the world are being severely damaged or destroyed by human activities. The destruction caused by the volcanic explosion of Mount St. Helens, in the northwestern United States, for example, pales in comparison to the destruction caused by humans. We need to know what aspects of a community are most important to the community’s resistance to destruction, as well as its recovery.  13.Look at the four squares [ ] that indicate where the following sentence could be added to the passage.  In fact, damage to the environment by humans is often much more severe than damage by natural events and processes.  Where would the sentence best fit? Click on a square to add the sentence to the passage.  14.Directions: An introductory sentence for a brief summary of the passage is provided below. Complete the summary by selecting the THREE answer choices