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Invisibility is crucial to construct identity in Ralph Ellison’s novel Invisible Man.Being invisible like a formless phantom and having only the voice echoing is a way of pushing the human existence to its ultimate state.Without the distraction of the body,the human identity could stand out like a candle in the darkness.The process of breaking out of the body is significant to the modern man,because modernity causes a sense of identity loss in them. 相似文献
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A new type of real-time holographic three-slit interferometer is presented.It uses a calcite polarized optical element to obtain objective light and reference light to record a hologram.Its remarkable feature is to use a beam of fixed slit diffracted light as the reference light to record the lateral slit diffracted wave front,and to use also the same diffracted light as the illuminating light to reconstruct the wave front.This insures the phase distribution of the reconstructed wave front against the influence by the small natural direction drift of the laser beam and also by the tiny external vibration.The stabillity,reliability and measuring accuracy of this apparatus are improved notably. 相似文献
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Once upon a time,there was a brave 1)knight called George.George travelled by horse across many lands.
One day,he came to a small village and met a man who lived in a cave.The man told the knight about the awful things about the village.A terrible dragon had come to live in the lake and attacked the village every day. 相似文献
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A novel light scattering technique for mapping metal surface corrosion is presented and its results on copper exposed to atmosphere are reported. The front end of the instrument is made up of a sensor module comprising a thin beam light emitting diode （LED） illuminating a small spot on the metal surface, and a matched pair of photodetectors, one for capturing the reflected light and the other for sampling the scattered light. The analog photocurrent signals are digitized and processed online by a per- sonal computer （PC） to determine the corrosion factor defined in terms of the two current values. By scanning the sample surface using the light beam and by computing the corrosion factor values simultaneously, a three dimensional graph and a two dimensional contour map are generated in the PC using Matlab tools. The values of the corrosion factor measured in different durations of exposure to atmosphere, which obey a bilogarithmic law, testify to the validity of our mathematical model. 相似文献
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《课堂内外(高中版)》2007,(2)
On a dark desert highway cool wind inmy hairWarm smell of colitas rising up throughthe airUp ahead in the distance I saw a shim-mering lightMy head grew heavy and my sight grewdimI had to stop for the nightThere she stood in the doorwayI heard the mission bellAnd I was thinking to myself“This could be Heaven or this could beHell”Then she lit up a candle and sheshowed me the wayThere were voices down the corridor,I thought I heard them say……Welcome to the Hotel CaliforniaSuch a lovel… 相似文献
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《海外英语》2006,(4):22-23
Four monks decided to meditate silently without speaking for two weeks.By nightfall on the first day,the candle began to flicker and then went out. I The first monk said, "Oh,no!The candle is out."The second monk said,"Aren't we not supposed to talk?" The third monk said, "Why must you two break the silence?"The fourth monk laughed and said, "Ha! I'm the only one who didn't speak." 相似文献
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Tess of the d’Urbervilles,Tomas Hardy’s masterpiece,was published in 1891,marking a turning point in Hardy’s literary life.This essay attempts to analyze Tess of the d’Urbervilles in the light of Ecocriticism and seeks to throw a new light on this novel.Through a close study of the relationship between Tess and nature,the essay interprets the process of Tess’s tragedy as the inharmonious relationship between nature and the modern civilization which is represented by Alec and Angel.In this way,this thesis tries to provide a fresh perspective that may enable us to realize the importance of environmental protection and have a better understanding of this novel. 相似文献
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《Reading and Writing(高中版)》2007,(3)
一 Nearly a week passed before the girl was able to explain which had happened to her. One afternoon she set out from the coast on a small boat and was caught in a storm. Towards evening, the boat struck a rock but the girl jumped into the sea. Then she swam to the shore after spending the whole night in water. During that time she covered a distance from eight miles. Early next morning,she saw a light ahead. 相似文献
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Illumination system with compound parabolic retro-reflector for single LCOS panel projection display
ZHEN Yan-kun YE Zi ZHANG Wen-zi ZHAO Ting-yu YU Fei-hong 《浙江大学学报(A卷英文版)》2007,8(12):2021-2026
In this paper, a new illumination system with ultra high performance (UHP) lamp is proposed for projection display. Parabolic reflector (PR) and compound parabolic retro-reflector (CPR) were jointly used to collect and collimate the light generated from UHP lamp. A polarization converter system (PCS) was used to increase the light efficiency of the projection display system. A beam transformer between PCS and 2f imaging systems was directly used to make the illumination meet the requirement of projection display system. With the consideration of the loss of reflection, the light efficiency in this projection display system was estimated to be 15.6%. 相似文献
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《英语大王(小学)》2007,(Z1)
Little Donkey* 15 a good drjver. He stoPs*at the red He waits*at the yellow light He goes when the light 15 green He drives*on the rightside*ofthe road.one day，Litt}e Donkey went by Plane to the UK*to see his best friend HO飞e .Little Horse was 50 haPPyt… 相似文献
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《希望月报(上半月)》2005,(9)
从前在偏远的山上,有两条龙住在寒冷黑暗的山洞里。这两条龙名叫黑龙和红龙,它们心地善良而又乐于助人。Once upon a time,far away in a mountain,there were two dragons living in a cold and dark cave.The dragons were named the Black Dragon and the Red Dragon.They were kind-hearted animals and liked to help people. 相似文献
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陈擎珺 《读与写:教育教学刊》2013,(1):8-11
On the perspective of psychoanalytic criticism,three human psyche models propounded by Freud,Jung and Lancan were employed to reveal the psychological trace of the tragic character,the grandmother in The Acorn-gatherer.Back to the country life in late Victorian England,a lonely elderly widow had to bring up her illegitimate grandson,but her grandson couldn’t bear her mistreatment,left home and died accidentally.The old grandmother bore the hardship strenuously but had to live her old and ailing days lonely which is like a candle guttering in the wind.Deluged with the social discrimination and bias led by the collective unconscious,her help doesn’t come from anyone in the utilitarian oriented grass roots.Nor does it come from the Lord’s real redemption owing to a country woman’s limited knowledge and inwardness.Under the great strain from the grey society,she was gradually distorted mentally.As a result,she was victimized by the grey tide of the society but she herself was a victimizing force to her grandson.The psychological exploration of the piteous victim can thoroughly interpret the author’s implication,i.e.condemning the evils of the society and man’s wicked nature. 相似文献
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为帮助同学们过关新课标词汇,迎接新高考,我们将新版的人教版高中英语教科书必修二各单元的课标词编成短文,以帮助同学们学习记忆。Book 2 Unit 1 An amazing cave Once a mountain-climber claimed he had seen a dragon in Mount A.Hearing this,the locals followed the clues the climber provided and mounted the mountain to look for the dragon that might have disappeared. 相似文献
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In many areas, there‘s going to be a lot of experimentation before you figure out how to take full advantage of(充分利用) what the highway oflets. And the classroom is a fantastic(极好的) example of that. Clearly, with the highway, we can have teachers who specialize in bringing the subject to light, sharing their ideas about how to make a subject, engaging with all the other teachers and students throughout the world. 相似文献
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This story concerns(有关)a spider(蜘蛛)and a certain general of ancient times who had lost a battle and,in the company of(在……陪同下)a faithful(忠诚的)servant,was trying to escape(逃脱)from the enemy.Both were extremely(极度,非常)tired,and both were hungry and thirsty,but they did not dare to go into any town for fear of (担心,害怕)being discovered and captured(捉)by the enemy.Toward evening they arrived at a mountain where there was a small cave. 相似文献
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Through a comparative analysis of The Pilgrim’s Progress and The Journey to the West, the paper aims to reveal what common ground is shared by the two novels and what light is thrown on the theme of spiritual salvation. The fruit of the study leads to a conclusion that both novels have employed religious doctrines and social criticisms to make the theme of spiritual salvation more palatable for their readers. 相似文献
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Sleeping in a room with too much light has been linked to an increased risk of piling on the pounds, a study shows. 相似文献