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专家解题:2013年职称英语考试理工类C级概括大意与完成句子真题及答案解析1

来源:博大考神职称考试网 发布时间:2014-08-29
  考题类型:概括大意与完成句子
  Ecosystem
  1    The word "ecosystem" is short for ecological (生态的) system. An ecosystem is where living creatures expand within a given area. You can say that an ecosystem is the natural environment where biological organisms (生物) such as plants, animals and humans co-exist in this world. So naturally that includes you and me. Yes, we are all members of an ecosystem!
  2    There are different kinds of ecosystems depending on the type of surface or environment. Most are naturally made such as the ocean or lake and the desert or rainforest. Some are man-made or artificial to encourage co-habitation (兴居) between living and non-living things in a monitored environment, such as a zoo or garden.
  3    Plants make up the biggest group of biological creatures within an ecosystem, and that's because they are the natural food producers for everyone. Plants raised in the earth need air and collect sunlight to help them grow. When they grow, the plants and its fruits or flowers eventually become a source of food to animals, microorganisms (微生物) and even humans, of course. Food is then converted to energy for the rest of us to function, and this happens in a never-ending cycle until the living creatures die and break up back in the earth.
  4    Ecosystems are the basis of survival for all living things. We depend on plants and animals for food. In order for us to exist, we need to grow and care about other organisms. We also need to care for the non-living things within our environment like our air and water so we can continue living as a population. Since plants, animals and humans are all of various species (物种), we all play a role in maintaining the ecosystem.
  5    To preserve our ecosystems, we should stop using too much energy, which happens when we consume more than our share of resources. Humans should not disturb the natural habitat (栖息地) of plants and animals, and allow them to grow healthily for the cycle to continue. Too many people in a habitat can mean displacement (搬迁): imagine being thrown out of your home because there is no more space for everyone. Worse, overpopulation can also ruin the environment and cause destruction of existing plants and animals.
  23. Paragraph 2 _________
  A. What is an ecosystem?
  B. How does an ecosystem work?
  C. Why are ecosystems important?
  D. What are different types of ecosystems?
  E. What can we do to help protect ecosystems?
  F. What destroys ecosystems?
  专家解析:
  第一步:首先划出A-F选项的信息词, A项What is,下定义的方式;B项how怎么样,work运行;C项Why为什么,important重要。D项different types不同类型;E项help帮助,protect保护;F项destroys破坏;
  第二步:找出段落的中心句。本段的中心句在第一句。There are different kinds of ecosystems depending on the type of surface or environment. 讲的是根据surface或environment的类型(type)有不同种类(different kinds)的ecosystem。六个选项中,选项D讲到了ecosystem的different types不同类型,所以,本题的答案为选项D。
  24. Paragraph 3 _________
  A. What is an ecosystem?
  B. How does an ecosystem work?
  C. Why are ecosystems important?
  D. What are different types of ecosystems?
  E. What can we do to help protect ecosystems?
  F. What destroys ecosystems?
  专家解析:
  第一步:找出段落的中心句。本段找不到中心句,在这种情况下,先做其他题目,排除掉CDE以后,在ABF中找答案。接着再排除A选项,该选项是对ecosystem下定义,这是第一段的内容;接着再排除F选项,因为该段中并没有出现和destroy(破坏)相关的内容;故只剩下选项B,讲的是ecosystem是怎么运行的,该段从植物讲到动物再讲到微生物,详细阐述了ecosystem的运行过程。故本题的答案为选项B 。
  25. Paragraph 4 _________
  A. What is an ecosystem?
  B. How does an ecosystem work?
  C. Why are ecosystems important?
  D. What are different types of ecosystems?
  E. What can we do to help protect ecosystems?
  F. What destroys ecosystems?
  专家解析:
  第一步:找出段落的中心句。本段的中心句在第一句:Ecosystems are the basis of survival for all living things.讲的是Ecosystem是所有生物(all living things)存活的基础。(basis of survival),也就是在讲ecosystem的重要性,即F选项说的为什么(why)ecosystem重要(important)故本题的答案为选项C。
  26. Paragraph 5 _________
  A. What is an ecosystem?
  B. How does an ecosystem work?
  C. Why are ecosystems important?
  D. What are different types of ecosystems?
  E. What can we do to help protect ecosystems?
  F. What destroys ecosystems?
  专家解析:
  第一步:找出段落的中心句。本段的中心句在第一句,即To preserve our ecosystems, we should stop using too much energy, which happens when we consume more than our share of resources.说的是:为了保护(preserve)ecosystem,应该……。也就是选项E说的做一些什么来保护(protect)ecosystems。
故本题的答案为选项E。
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