湖南大学《大学英语第三册》课件-第3章.pdf

SecurityUnit 3Unit 3Liu Lu Security“Locks”on campusReadingSpeakingDiscussion&Viewing Security Land of lock“Locks”in heart“Locks”on campusReadingWarm upText understandingLanguage points studyDescribing pictures What are the forms of security and lock?Brainstorm!l o c ksecurityWarm-up Great Wallfinger printpasswordvideo cameracastlechainsteel barstrip wirespadlocklatchelectronic alarm systemsafebody guarddoor What are they regarding?Scan the text!dead-bolt lockssecurity chainspadlockbarricadeaccess cardX-ray equipmentelectronic friskerselectronic alarm systemsteel barstrip wirestelephone that can analyze Dead-bolt locks,security chains,electronic alarms systems and trip wires have replaced _._have _with steel bars built in.Access cards are required of those who _._ used electronic X-ray equipment to guard _.Businessmen purchase new machines hooked up to their telephone to _ _.the era of leaving the front door on the latch Many suburban familiessliding glass doorswork with medium to large-size companies.Airport securityagainst terrorismhelp determine whether the caller is telling liesor notFilling the blanks with the information in the text.Use your memory!Paras.1-3Paras.4-15Paras.16-19Outline the textThe era of _ _has been replaced by modern security devices.leaving the front dooron the latchSecurity devices are put to use.A new _ has crept into in every aspect of daily life.atmosphere of fear and distrustIn locking our fears out,we become _.prisoners of our own making Dont forget to leave the front door on the latch if you go to bed before I come back.Language points studyclosed but not lockedNo longer is it safe anywhere to go out leaving the door on the latch.on the latchrural areaurban areavulnerablePart I Language points studyon the latchruralurbanvulnerable2.Motor vehicle emissions,to a large extent,are responsible for _ air pollution.3.Most _ areas in the world are facing the problem of over-population.4.By the year 2003 _ residents has outnumbered _ residents in most developing countries.1.Crops are grown in _ areas.ruralurbanurbanurbanruralPart I Language points studyCompared with Saudi Arabian soccer team,the Chinese team is more vulnerable.Your arguments are rather vulnerable to criticism.How does the country defend vulnerable groups in society?unprotected weakexposed to attackPart Ion the latchruralurbanvulnerable Part IIMy computer is hooked up to the Internet,so I can communicate with my students at home via email.I hook up to the internet almost everyday.The alarm systems in the banks are hooked up to the local police station.hold/keep(sb.)at bayhook up topryfeatureconnect toattach topublic-service advertisement Part IIhold/keep(sb.)at bayhook up topryfeatureCan you help me pry the cover off this wooden box without breaking it?Her car trunk had been pried open and all her equipment was gone.Dont pry into the affairs of others.force sth.openinquire curiouslypublic-service advertisement Part IIhold/keep(sb.)at bayhook up toprypublic-service advertisementfeatureA recent public-service advertisement by a large insurance company featured not charts showing how much at risk we are,but a picture of a childs bicycle with the now-usual padlock attached to it.Before its too late!Before its too late!This public-service advertisement features not charts showing how _,but a picture.Before its too late!Before its too late!This public-service advertisement features not charts showing how _,but a picture.Fashion claims more victims than you Fashion claims more victims than you think.think.If you If you dont dont move,move,you you get get fat.fat.This public-service advertisement features not charts showing how _,but a picture.Part IIhold/keep(sb.)at bayhook up toprypublic-service advertisementfeatureEating _ keeps colds at bay.She left the light on at night to keep her fears at bay.orangesprevent from coming near reflectionlook back onPart IIIcivilizedOn further reflection,she saw her mistake.After a minutes reflection,he gave a negative answer.The professor asked us to analyze the chart of unemployment first,and then provide critical reflections on the nations economic development.careful thinking reflectionlook back onPart IIIcivilizedI always look back on those days as the happiest time of my life.When you look back on your life,what moments would you cherish the most?Describe the pictures NegationunrelatedunconcernedunusualunrealisticunattractivenotDouble1.她很有钱，可是对于遭到解雇并非无动于衷。2.他的身体欠佳，与他不健康的生活方式不无关系。3.Internet 已不再是一个不同寻常的字眼。Wealthy as she is,she is not unconcerned by her sudden unemployment.His poor health is not unrelated to his unhealthy way of life.Internet is not such an unusual word as it used to be.Security Land of lock“Locks”in heart“Locks”on campusReadingSpeaking Useful drills Group work 1.We have become so used to _ _ and so so used to _,that we have not had time to _.defending ourselvesagainst the new atmosphere of American life putting up barriers2.We are satisfied when _.It _:Why has this happ