新核心大学英语读写教程2-unit6PPT课件.ppt

Unit 6 Skyscrapers,Learning Objectives,In this unit,you will:,1.learn about the basic aspects of a skyscraper and world-,famous super-tall buildings;,2.familiarize yourself with the words,expressions,and,sentence patterns related to the theme of the unit;,3.use these words,expressions,and sentence patterns,correctly;,4.research skyscrapers;,5.give an oral presentation to the class about skyscrapers;,6.vary sentence openings in your writing.,Part I,Approaching the Topic,Part II,Understanding the Text,Part III,Exploring the Topic,Part IV,Integrated Exercises,Part V,Writing Strategy,Part I,Approaching the Topic,Task 1 Brainstorming,Task 2 Surfing and Reporting,Task 3,Watching and Retelling,Task 4,Vocabulary Preview,1.,Name as many world-famous tall buildings as possible.,2.,Make a list of no less than 10 words to describe those,skyscrapers.,Task 1 Brainstorming,Unit 6,Part I,Task 1,1.,Work in groups and find information on the Internet about the following terms.,Task 2 Surfing and Reporting,Unit 6,Part I,Task 2,A)the Tower of Babel,B)the Petronas Twin Towers,C)the Sears Tower,D)Taipei 101,E)Burj Dubai,F),the Empire State Building,Answers for reference:,Unit 6,Part I,Task 2,2.,Fill in the spaces below according to your Internet research.,Present this information to the class,optionally using,PowerPoint.,Unit 6,Part I,Task 2,Name,When,Where,Height,Extra,information,the Empire,State,Building,World Trade,Center,1931,New York,USA,381m,(443.5m with,antenna),Movie,King Kong,1973-2001,New York,411.5m,Freedom Tower will be built on,the site,Unit 6,Part I,Task 2,Name,When,Where,Height,Extra,information,the Petronas Twin Towers,Chrysler Building,Chrysler Building,1998,Kuala,Lumpur,Malaysia,452m,the tallest twin buildings in the,world,1930,New York,305m,1973,Chicago,Illinois,USA,442 /1,450,f,t,Current Name:Willis Tower,Unit 6,Part I,Task 2,Name,When,Where,Height,Extra,information,Taipei 101,Burj Dubai,2004,Taibei,Taiwan,101floors,508m,performed by Skidmore,Owings,and Merrill,2010,Dubai,United,Arab Emirates,828m,(2,717 ft),Task 3 Watching and Retelling,1.,Watch the,video clip,“Building the Ultimate Skyscraper”.,Fill in the blanks with the information you have heard.Use,the glossary below as a reference.,ultimate/,ltmt,/,最终的，极限的,curious/,kjris,/,奇怪的,gherkin/,kn,/,（腌制用的）小黄瓜,Swiss Ray Building/,sws re bld,/,瑞士X光公司大楼,cutting edge,/kt ed/,刀刃，前线，先锋,Chicago Home Insurance Building/k:hm nurns bld/,芝加哥家庭保险公司大楼,Unit 6,Part I,Task 3,dizzyingly/,dzli,/,令人眩晕地，使人眼花缭乱地；过高地，过快地,Salisbury Cathedral,/s:lzbri ki:drl/,索尔兹伯里大教堂（沙利斯柏立大教堂）,Medieval/,mediivl,/,中世纪的,priority/,prarti,/,优先考虑的条件,monocoque structure/,mnkk,/,单壳体结构,sideways force,横向力,load/,ld,/,负荷，重量,foundation/,fanden,/,地基,Unit 6Part I,Task 3,Unit 6,Part I,Task 3,The skyscraper is a great engineering achievement.“They have to do with gravity;they have to do with wind.”The shining towers of steel concrete and glass attest to their limit.“They have to do with earthquakes;and they have to do with fire.”Can we build the 1)skyscraper?,Skyscrapers 2)the sky.Man can build ever higher and higher,testing his ingenuity against the 3).This is the Swiss Ray Building in London.Its nearly 600 feet high and known as the Gherkin because of its 4).Its aerodynamic design is 5)of skyscraper thinking.,The modern skyscraper was born in Chicago.“In order to,ultimate,_,reach for,_,forces of nature,_,the cutting edge,_,curious shape,_,Unit 6,Part I,Task 3,understand the development of the skyscraper,we really need to go to Chicago,where in the 1880s somewhat 6),occurred in the history of skyscraper.”,7).“Chicago was destroyed by fire in 1871,leveled.In fact,8),.And for a city there was an exploding population and very wealthy with a burgeoning commerce,it was important for the city to rebuild as quickly as it could.”,So they decided to build tall.9)of,reconstruction was the Home Insurance Building.It rose 10 storeys high,dizzily tall for the time.10),.But some think the evolution of skyscrapers structure has its beginnings long before.,The jewel of the crown,_,the most,significant developments,_,_,the central part of the city,was gone,_,_,The evolution came out of disaster,_,The era of skyscrapers,had begun,_,_,Unit 6,Part I,Task 3,【Script】,2.,Watch the,video,again and then discuss the main idea with the group.,Script,Unit 6,Part I,Task 3,Task 4 Vocabulary Preview,Read the words and phrases below,paying attention to the pronunciation.Use the scale below to,give yourself a score for each word.After finishing the study of the unit,score yourself again to,check your improvement.,Unit 6,Part I,Task 4,1,I dont understand this word.,2,I have seen this word before,but I am not sure of the meaning.,3,I understand this word when I see it or hear it,but I dont know how to use it.,4,I know this word and can use it in my own speaking and writing.,Unit 6,Part I,Task 4,Nouns,high-rise,testament,progression,elevator,column,stability,width,footprint,elevation,velocity,gust,simulation,occupancy,acceleration,advancement,illumination,descent,ascent,efficiency,Glossary for Main Reading,Unit 6,Part I,Task 4,Verbs,pierce,mock,humble,surge,tune,computerize,damp,wage,topple,rethink,combat,sway,amplify,fine-tune,model,crumble,complicate,stumble,deploy,dispatch,Adjectives,spectacular,heavenly,striking,technological,daring,intelligent,ongoing,implacable,cumulative,respective,optimum,counter,compressive,considerable,composite,replete,ancillary,fluorescent,interior,ironic,noteworthy,even,odd,cableless,fuzzy,peak,economical,Unit 6,Part I,Task 4,Phrases,wage a battle,come in,stumbling block,Unit 6,Part I,Task 4,Adverbs,majestically,extensively,desperately,financially,Glossary for,Related Reading,Nouns,threshold,holder,spiremultibillionaire,imagination,peer,leg,crane,historian,region,opposition,reaction,developer,mold,flow,concrete,presence,phase,downturn,icon,session,produce,cart,Unit 6,Part I,Task 4,Verbs,accommodate,surpass,outdo,unveil,conclude,evidence,incorporate,project,enshrine,bump,nest,Unit 6,Part I,Task 4,Adjectives,staggering,pressing,massive,audacious,emerging,residential,focal,architectural,Phrases,in the midst of,in perspective,break old molds,serve as,under wraps,Unit 6,Part I,Task 4,Part II Understanding the Text,Main Reading,Related Reading,Part II Understanding the Text,Main Reading,Text-related Information,Text Analysis,Language Points,Translation of the Texts,Tasks,Unit 6,Part II,Main Reading,1.,The World Trade Center,Text-related Information,Unit 6,Part II,Main Reading,2.,Chrysler Building,Text Analysis,Parts,Paragraphs,Main Ideas,I,A,B,The construction of tall buildings is on the trend and it asks for new concepts and technologies.,II,C,J,To build a super,skyscraper,a lot,of factors should,be taken into,account:its ability,to stand wind and,earthquake,a,mixed occupancy,and elevators,etc.,CH:It talks about,the influence of wind on,tall buildings and some,materials and technologies used to dampen it.,I:Mixed use makes,the design for a tall,Building more complicated.,Unit 6,Part II,Main Reading,Unit 6,Part II,Main Reading,Parts,Paragraphs,Main Ideas,II,C,J,To build a super,skyscraper,a lot,of factors should,be taken into,account:its ability,to stand wind and,earthquake,a,mixed occupancy,and elevators,etc.,J:Elevators are,also an important factor,which influences the,construction of a high-,rise.,III,K,Technology and finance are both important to,determine whether a super skyscraper can,come into being in reality.,Language Points,Unit 6,Part II,Main Reading,1.humble,(L2),v.,to make people feel that they are not as good or,important as they thought they wer,e,e.g.,He was humbled by her generosity.,a,.,showing you do not think that you are as important as,other peop,le,e.g.,Be humble enough to learn from your mistakes.,having a low rank or social position,e.g.,a man of humble origins,Unit 6,Part II,Main Reading,2.,wage,an ongoing battle with(L11),wage,v.,to engage in(a war,a battle,etc.),wage something(against/on somebody/something),e.g.,The rebels have waged a guerrilla war since 1995.,He alleged that a press campaign was being waged,against him.,Unit 6,Part II,Main Reading,3,.Thus,the footprint of a super skyscraper could easily consume multiple city blocks.(L,19,),Paraphrase:,figurative The base of a super skyscraper could take up several city blocks.,【,译文,】,这样，仅是一栋超级大楼的地基就要占据好几个街区。,Unit 6,Part II,Main Reading,4.,Gusts of wind can be particularly dangerous when they come,spaced in intervals that approach a buildings natural period:,the amount of time the structure takes to complete one,oscillation when it is swaying back and forth.(L28),【,译文,】,如果阵风以接近建筑物自然周期（即建筑物前后摇摆时完成一次震荡周期）的时间间隔经过，那将是尤其危险的。,1),space,v.,to organize or arrange with spaces between,space out,隔开；昏沉，迷乱,space out the lampposts 30 meters apart,e.g.,I was supposed to meet her,but I spaced out and forgot.,2),interval,n.,a space between two objects,points,or units,e.g.,an interval of ten feet,It snowed at intervals this week.,He visits me at regular intervals.,Unit 6,Part II,Main Reading,5,.Thanks to wind-tunnel tests and computer simulations,architects and engineers can fine-tune,a buildings shape,surface and structural characteristics to achieve optimum,designs for withstanding high winds.(L33),Paraphrase:,Modern technologies like wind-tunnel tests and computer simulations help architects,and engineers make small adjustments in a buildings shape,surface and structural characteristics so that they can work out the best design to withstand strong winds.,【,译文,】,多亏了风洞试验和电脑模拟，建筑师和工程师们才能对建筑物的外形、表面和结构特点进行微调以便取得对抗强风的最佳设计。,Unit 6,Part II,Main Reading,1),thanks to,because of,eg.,Thanks to your timely help,we accomplished the,task on time.,2),fine-tune,to make small adjustments for optimal,performance or effectiveness,Unit 6,Part II,Main Reading,6,.On windy days,the so-called mass damper,located on a,floor near the top of the high-rise,moves in opposition to,the structures swaying,sliding on oil to help dampen,oscillations by as much as 50 percent.(L40),Paraphrase:,Mass damper is placed on the top floor of the tall building;when there is wind and the,building begins to sway,it will move in the opposite direction and reduce oscillations by 50%.,【,译文,】,起风的时候，靠近大楼顶层安装的所谓大型减震器就会以与建筑物摇摆相反的方向移动，它们在润滑油上的滑动可以将大楼的摆动减少,50%,。,Unit 6,Part II,Main Reading,1),damper,n.,a device that eliminates or progressively,diminishes vibrations or oscillations,dampen,v.,to reduce,to restrain,e.g.,The bad news dampened our spirits.,2),in opposition to somebody/something,disagreeing strongly with somebody/something,强烈反对（或抵制）,e.g.,Protest marches were held in opposition to the,proposal law.,contrasting two people or things that are very different,对比，对照,e.g.,Leisure is often defined in opposition to work.,Unit 6,Part II,Main Reading,7.,Thousands of these viscoelastic dampers have been,inserted between columns and beams;when the building,sways,friction between the plates dampens the motion.,(L42),【,译文,】,数以千计这样的粘弹性减震器被置于立柱和横梁之间，当建筑物摇摆时，金属板之间的摩擦会让摆动幅度减小。,Unit 6,Part II,Main Reading,8.,in counter,directions to(L47),in opposite directions to,counter,a.,contrary;opposing,adv,.,acted counter to ones promise,run/go counter to ones inclination,v.,to move or act in opposition to;oppose,e.g.,He countered my proposal with one of his own.,Paraphrase:,Unit 6,Part II,Main Reading,9.,Indeed,the century-old history of skyscrapers is replete with,advancements in ancillary technologies,such as fluorescent,lights,which enabled the relatively cool illumination of interior,offices.(L63),Paraphrase:,Various modern assisting technologies are put into use to get the century-old history skyscrapers more convenient,such as fluorescent lights that make possible cool illumination in the offices译文,】,实际上，有着一百多年历史的摩天大楼里到处都是各种现代化辅助科技，比如使办公室里能有冷光照明的荧光灯。,1),be replete with,be filled with,a mind replete with knowledge,a stream replete with trout,2),ancillary,a.,supporting,assisting,Translation of the Texts,For Main Reading,Unit 6,Part II,Main Reading,Task 1 Guessing Meaning from Context,Guess the meaning of the following words and phrases from context.The letter in the parentheses,refers to the paragraph in which the word can be found.Choose which meaning best fits the word.,Task,Verbs,1.,humble(A),a),to awe,to make one feel that he is not,worthy,2,.,topple(D),b)to lessen,3,.,amplify(F),c)to make larger or more powerf,ul,4.dampen(F),d)to push or throw over,5,.,dispatch(,J,),e),to send someone/something somewhere,Unit 6,Part II,Main Reading,a,d,_,_,c,_,b,_,e,_,Nouns,1.testament(A),a)proof,2,.,column(C),b)resistance to change,deterioration,or displacement,3.,s,tability,(D),c)a supporting pillar,4.,acceleration,(,I,),d)an increase in speed,5.,advancement(J),e)a forward step;an improvement,Unit 6,Part II,Main Reading,c,b,d,_,_,_,_,a,_,e,_,Unit 6,Part II,Main Reading,Adjectives,1.,striking(A),a),arresting the attention and producing,a vivid impression,2.,implacable(C),b)impossible to please,3.,optimum(,F,),c)deserving notice or attention;notable,4.,noteworthy(J),d)not clear;indistinct,5.,fuzzy(,J,),e)most favorable or advantageous,a,e,c,d,_,_,_,_,_,b,_,Unit 6,Part II,Main Reading,Adverbs,majestically(A),a)frantically,as when one has no options,desperately(K),b)grandly,financially(K),c)in a way that makes money,b,c,_,_,a,_,1.,Answer the following questions.,1)To push skyscrapers higher,which areas will need the,greatest innovation?,2)Which forces of nature most influence the design of a,high-rise?,Task 2,Understanding Main Ideas and Important Details in the Text,Task,Some of the innovations include space frames,aerodynamic tuning,intelligent elevators and,computerized damping systems.,Gravity,natural disasters like hurricanes and,earthquakes,wind.,Unit 6,Part II,Main Reading,_,_,_,_,_,3)What is the most important factor in the design of,supertall structures?,4)How does the mass damper work to lessen the,buildings oscillations?,5)Which factors limit the maximum acceleration of,elevators?,The human ears slowness to adapt to changing,pressure,and passenger comfort.,_,_,Wind.,It is placed on a floor near the top of the high-rise,when the building sways,it moves in the opposite,direction to dampen oscillations.,Unit 6,Part II,Main Reading,_,_,_,_,2.,Review the text to find information about skyscrapers.List the,points in the table below.,Unit 6,Part II,Main Reading,Skyscrapers,Factors to consider,Measures to take,1,2,3,natural forces,(hurricanes and earthquakes;wind),mixed occupancy,enough width of the buildings base;damping system,concrete and steel,more complicated design,elevators(for mans ear and comfort),appropriate speed,double-decker cars,cableless operation,fuzzy logic and neural network,Part II Understanding the Text,Related Reading,Language Points,Tasks,Translation of the Texts,Language Points,Unit 6,Part II,Related Reading,1.accommodate,(L4),v.,to provide somebody with a room or place to sleep,live,or sit,The hotel can accommodate up to 500 guests.,e.g.,(formal),to consider something,such as somebodys,opinion or a fact,Our proposal