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专家解题:2012年职称英语考试理工类A级阅读理解历年真题及答案解析3

来源:博大考神职称考试网 发布时间:2014-08-29
  考题类型:阅读理解
  
    Small But Wise  On December 14, NASA blasteda small but mighty telescope into space. The telescope is called WISE and isabout as wide around as a trashcan. Don't let its small size fool you: WISE hasa powerful digital camera, and it will be taking pictures of some the wildestobjects in the known universe, including asteroids, faint stars, blazinggalaxies and giant clouds of dust where planets and stars are born.  “I'm very excited because we're going to beseeing parts of the universe that we haven't seen before, ” said Ned Wright, ascientist who directs the WISE project.  Since arriving in space, theWISE telescope has been circling the Earth, held by gravity in a polarorbit(this means it crosses close to the north and south poles with each lap).Its camera is pointed outward, away from the Earth, and WISE will snap apicture of a different part of the sky every 11 minutes. After six months itwill have taken pictures across the entire sky.  The pictures taken by WISEwon't be like everyday digital photographs, however, WISE stands for“Wide-field Infrared Survey Explorer.” As its name suggests, the WISE cameratakes pictures of features that give off infrared radiation.  Radiation is energy thattravels as a wave. Visible light, including the familiar spectrum of light thatbecomes visible in a rainbow, is an example of radiation, When an ordinarydigital camera takes a picture of a tree, for example, it receives the waves ofvisible light that are reflected off the tree. When these waves enter thecamera through the lens, they're processed by the camera, which then puts theimage together.  Waves of infrared radiation are longer thanwaves of visible light, so ordinary digital cameras don't see them,and neither do the eyes of humanbeings. Although invisible to the eye, longer infrared radiation can bedetected as warmth by the skin.  That's a key idea to whyWISE will be able to see things other telescopes can't. Not everything in theuniverse shows up in visible light. Asteroids, for example, are giant rocksthat float through space—but they absorb most of the light that reaches them.They don't reflect light, so they're difficult to see. But they do give offinfrared radiation, so an infrared telescope like WISE will be able to produceimages of them. During its mission WISE will take pictures of hundreds ofthousands of asteroids.  Brown dwarfs are another kind of deep-spaceobject that will show up in WISE's pictures. These objects are “failed” stars-whichmeans they are not massive enough to jump start the same kind of reactions thatpower stars such as the sun. Instead, brown dwarfs simply shrink and cool down.They're so dim that they're almost impossible to see with visible light, but inthe infrared spectrum they glow. -41. What is so special about WISE?A. It is as small as a trashcan.B. It is small in size but carries a large camera.C. Never before has a telescope carried a digital camera in space.D. Its digital camera can help astronomers to see the unknown space.  专家解题:  第一步:划出题干信息词,本题目的信息词是WISE,注意句子中的special。题目问WISE的特别之处是什么?第二步:信息词回归原文。在原文中并没有特别提到special相关词汇。但是第二段中提到的科学家所说的话是:“I'm veryexcited because we're going to be seeing parts of the universe that we haven'tseen before,”意思是“我太激动了,因为我们将要了解到从来没被看见过的太空区域的图像”,这些区域的图像是WISE进行拍摄的。可以推断出这也是WISE的特别之处,就是他可以让我们认识以前没有进入过的太空区域。第三步:对比原文和选项信息。选项A虽然是原文内容,但是题干问的是特别之处,小不会是WISE的特别之处,所以排除掉;选项B的a large camera,一个巨大的相机,原文中说WISE体积很小,所以排除掉;选项C的Never before 从来没有,原文并没有说WISE是进入太空的第一个数码相机,所以排除掉。选项D说他的摄像机可以帮助宇航员看到未知的太空, the unknownspace,和原文意思是一致的,保留。比较完四个选项,本题目答案是D。42. The camera on WISE A. is equipped with expensive computers.B. reflects light visible to the human eye.C. produces images of objects giving off infrared radiation.D. is similar to an ordinary digital camera.  专家解题:  第一步:划出题干信息词,题目信息词是The camera ,题目问的是WISE上的摄像机如何?原文中多处提到camera,因此就不可以作为有效信息词。本题目可以从选项入手进行回归。第二步:回归原文第四段最后一句:As its name suggests,the WISE camera takes pictures offeatures that give off infrared radiation.即WISE能够给infraredradiation特征的物体拍照。原文中的takespictures和C选项的produces images为同义改写。本题目的答案是C。43. It is true that infrared radiationA. is not detectable to human.B. looks bright than visible light.C. has longer waves that those of visible light.D. is visible light reflected off an object.  专家解题:  第一步:划出题干信息词:infrared radiation。第二步:信息词回归原文,定位到第六段第一句:Waves ofinfrared radiation are longer than waves of visible light, so ordinary digitalcameras don't see them,and neither do the eyes of human beings. 第三步:对比题干和原文信息,原文中说的是红外线的波长比可见光长,所以,普通的数码相机捕捉不到他们,人眼也看不到这种射线。明确提到了longer than waves of visible light,比较四个选项,C选项表述的意思和原文一致,所以这道题的答案选择C选项。44. Which of the following statements about asteroid is NOT true?A. The WISE telescope can catch and take pictures of them.B. They do not reflect light that reaches them.C. They are invisible to ordinary camera.D. They float through space giving off visible light.  专家解题:  第一步:划出题干信息词:asteroid。第二步:信息词回归原文,原文中关于asteroid的信息集中在第七段: Asteroids, for example,are giant rocks that float through space—but they absorb most of the light that reaches them. They don'treflect light, so they're difficult to see. But they do give off infraredradiation, so an infrared telescope like WISE will be able to produce images ofthem. During its mission WISE will take pictures of hundreds of thousands ofasteroids.第三步:对比题干和原文信息,A选项说WISE照相机能够拍到这些小行星,原文部分也说到了 WISE will takepictures of hundreds of thousands of asteroids.能够拍摄到他们的照片,所以A选项正确。B选项说他们不能够反射光,原文也说到了They don't reflectlight,B选项也正确。C选项说他们对于一般相机来说是不可见的,这个也正确。本文都在说WISE相机独特之处,能够拍到一般相机拍不到的东西。原文也说了they'redifficult to see,这些小行星很难看得到,既然看不到,那么一般相机也是肯定拍不出来的,所以C选项页正确。D选项说他们漂浮在太空中,并且能够发出可见光,这个和B是相反的,他们是不能够发出可见光的,如果能够的话,就能够看见了,也就不需要WISE相机了,一般相机都可以了。所以D选项为错误。本题答案选择D选项。45. It can be inferred from the last paragraph that brown dwarfsA. are power stars like the sun.B. become massive and active.C. are invisible to the WISE telescope.D. give off visible light.  专家解题: 第一步:划出题干信息词:brown dwarfs,本题目是推断题。题目问从最后一段可以推断出什么?回归时重点看段落的第一句和最后一句。第二步:信息词回归原文,最后一段第一句说:Brown dwarfsare another kind of deep-space object that will show up in WISE's pictures.意思是:褐矮星是另外一种来自宇宙深处能出现在WISE照片中的物体。最后一句说They're so dim thatthey're almost impossible to see with visible light, but in the infraredspectrum they glow. 意思是:他们发出的光如此之微弱,人们根本看不到,但是在红外频谱中,它们是发光的。这个褐矮星肯定能够发出可见光,虽然人类肉眼看不到,但是在红外频谱中,是可见的。选项中D选项的意思符合原文。所以本题目的答案为D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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