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专家解题:2012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:2014-08-31
   考题类型:概括大意与完成句子     Learn about Light1    Ancient civilizationswere amazed by the existence of light for thousands of years. The Greekphilosophers believed that light was made up of countless, tiny particles thatenter the human eye and create what we call vision. However, Empedocles and aDutch scientist named Christian Huygens believed that light was like a wave.According to them, light spread out and travelled like a straight line. Thistheory was accepted during the 19th century.2    ln 1905, Albert Einsteinpublished a research paper in which he explained what is referred to as thephotoelectric effect. This theory explains that particles make up light. Theparticles Einstein was referring to are weightless bundles(束)ofelectromagnetic(电磁)energy called photons(光子). Today, scientists agree that light has a dual(二重) nature — it is partparticle and part wave. It is a form of energy that allows us to see thingsaround us.3    Things that give offlight are known as sources of light. During the day, the primary source oflight is the sun. Other sources of light include stars, flames, flashlights,street lamps and glowing gases in glass tube.4    When we draw the waylight travels we always use straight lines. This is because normally light raystravel in a straight line. However, there are some instances that can changethe path and even the nature of light. They are reflection, absorption, interference(干扰), etc.5    Physicists have attemptedto measure the speed of light since the early times. In 1849, Hippolyte Fizeauconducted an experiment by directing a beam of light to a mirror locatedkilometers away and placed a rotating cogwheel(旋转齿轮)between thebeam and the mirror. From the rate of rotation of the wheel, number of wheel’s teeth anddistance of the mirror, he was able to calculate that the speed of light is 313million meters per second. In a vacuum(真空),however, thespeed of light is 299,792,458 meters per second. This is about a million timesfaster than the speed of an airplane.-23. Paragraph 2 ______A. How is the nature of light explained today?B. What are sources of light?C. How did physicists measure the speed of light?D. How does light travel?E. How did people think of light years ago?F. What causes a shadow?  专家解题:第一步:这道题采取查读法,我们首先确定A-F六项的信息词。信息词分别是:A选项:nature of light;B选项:sources of light;C选项:physicists,speed of light;D选项:light travel;E选项:people,think,years ago;F选项:causes,shadow。第二步:接下来找到第二段的中心句,第二段的中心句为倒数第二句Today, scientists agree that light has a dual(二重) nature — it is partparticle and part wave. 第三步:对比选项和中心句,原文说的是,今天,科学家们一致认同光是有二重性的,是由部分粒子(particle)和部分波(wave)组成的。A选项初夏了句子中的today,也出现了nature这个词。A选项意思是说,今天科学家们是如何解释光的本质的。与原文句子意思相符。所以本题答案选择A选项。24. Paragraph 3 ______A. How is the nature of light explained today?B. What are sources of light?C. How did physicists measure the speed of light?D. How does light travel?E. How did people think of light years ago?F. What causes a shadow? 专家解题: 第一步:本题考查第三段的段落大意,第三段的中心句为第一句:Things that give off light are known as sources of light. 第二步:对比选项和中心句,选项中B选项的信息词sources of light出现在中心句里面,所以本题答案选择B选项。25. Paragraph 4 ______A. How is the nature of light explained today?B. What are sources of light?C. How did physicists measure the speed of light?D. How does light travel?E. How did people think of light years ago?F. What causes a shadow?  专家解题:第一步:本题考查第四段的段落大意,第四段的中心句为第一句:When we draw the way light travels we always use straight lines. 第二步:对比选项和中心句,选项中D选项的信息词light travel出现在中心句里面,所以本题答案选择D选项。26. Paragraph 5 ______A. How is the nature of light explained today?B. What are sources of light?C. How did physicists measure the speed of light?D. How does light travel?E. How did people think of light years ago?F. What causes a shadow?  专家解题:第一步:本题考查第四段的段落大意,第五段的中心句为第一句:Physicists have attempted to measure the speed of light since theearly times.第二步:对比选项和中心句,选项中C选项的信息词physicists,measure,speed of light等都出现在了中心句里面。所以这道题的答案选择C选项。      为帮助考生用最轻松的方式通过职称英语考试,考职称网官方推荐:博大考神职称英语家庭式培训班,它是在家里上的面授班,通过打造轻松愉快的学习过程,帮助考生掌握职称英语的考试技巧,提供贴心的班主任全程督导服务帮助考生坚持学完所有课程,只要学习达标,即可通过考试,不过退款!(职称英语零基础通关QQ交流群:347526614)2015年如何轻松通过职称英语考试?】  <<<<<职称英语vip保过,不过退款!<>  <<<<<职称英语零基础也不怕?这里保过!<>  <<<<<什么是职称英语?有什么通过秘诀吗?<>  <<<<<职称英语教父幺建华揭秘过关技巧<>   <<<<<在家也可以上职称英语面授班!<>    <<<<<不用背单词也能通过职称英语!<>
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