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Unit1C1.Theyoungergenerationshouldcontinuetosustainanddevelopourfinetraditionsandlong-standingculture.2.Inthecourseofpreparingone’sspeech,oneshouldbeclearlyawareofhowonecouldmakeeffectiveuseofstatisticsandexamplestobolsterone’spointofview.3.Animpromptuspeechisoneofthespeakingskillsthatcollegestudentsshouldlearnanddevelopthroughpractice.4.Byusingsimileandmetaphor,youcanmakeyourlanguagemorevividandmoreattractivetoyouraudience.5.Theproperexamplesyoucitemighthelpreinforcetheimpressiononyourlistenersandmakeyourviewpointsmoreconvincing.6.Whenyouarespeaking,youshouldchoosecommonandeasywordsandatthesametimeavoidclutterinyourspeech.7.Whenyouwriteapaper,citingtheviewsfromsomeexpertsisagoodwaytomakeyourideasmorecredible.8.Agoodmethodofdeliveringaspeechwillimproveitsqualityandwillhelpconveythespeaker’sideasclearlyandinterestingly.9.Youshouldnotblindlyuseawordthatyourarenotsureabout,andityouarenotsure,lookupthewordinadictionary.10.Yourlanguageshouldadapttotheparticularoccasionandaudience.Ifyourlanguageisappropriateinallrespects,yourspeechissuccessful.英译汉：发言提纲是有效发言的基础。通过写发言提纲，你可以确保你的想法是关联的，你的思路从一点谈到另一点，你的讲话结构是连贯的，通常准备演讲你可以采用两种提纲方式：详细准备提纲和简单发言提纲。在准备提纲中，应该写出你的特定目的及中心思想，并以连贯的方式确定主要观点和次要观点。发言提纲应该由简要的提要组成，这些提要在你讲话时能够给你一些帮助。发言提纲还应包括帮助你记忆的重点词或重点短语。在写发言提纲时，可采用准备提纲的模式，尽可能使你的发言提纲简要，同时，要确保提纲清晰、易于辨认。D（p17）汉译英：当你发表学术演讲时，首先要做好充分的准备；其次，你演讲的主要观点要明确，层次要清楚。演讲时，语速不要过快，语言要清晰。不要总是在读你准备好的稿子。最后，你应该经常看一下你的听众。这样，一方面你对你的听众表示尊重，另一方面，你可以更顺利地进行你的演讲。Beforeyoudeliveranacademicspeech,youshould,firstofal,getwellpreparedforit.Then,youshouldmakeyourmajorpointsclearinyourspeech,andyourspeechshouldbewellorganized.Whenspeaking,youshouldnotspeaktoofast,andyourlanguageshouldbeexplicit.Don’talwaysreadthenotesyoupreparedbeforehand.Fromtimetotime,youshouldlookatyouraudience.Ononehand,youcanshowyourrespecttoyouraudience,andontheotherhand,youwillbeabletogoonwithyourspeechmoresmoothly.SectionCWritingPracticeTask1Goodmorning,distinguishedguests,ladiesandgentlemen,Itismygreatpleasureonbehalfoftheuniversitytoextendourwarmwelcometoalltheconferenceparticipants.ItisaspecialhonorforustobeholdingtheInternationalSymposiumonComputerScienceatouruniversity.Amongtheparticipantsarewell-knownprofessors,scientistsandscholarsinthisfield.Ibelievethatthissymposiumwillofferagoodopportunityforyoutoexchangeyourideas,shareyourlatestresearchachievementsandfurthercooperationinthefieldofcomputerscienceaswell.Also,tosomeextent,thissymposiumwillhelpustodevelopcomputerscienceinyouruniversityandhelppushforwardourresearchinthisfield.Finally,IhopethesymposiumwillbeagreatsuccessandIhopeeveryonewillenjoytheirstayhere.Thankyou!Task3Ladiesandgentlemen,HappyNewYeartoeverybody!Iamveryhappytoseallofyouheretocelebratethearrivalofthenewyear.Inparticular,Iamdelightedtohavesomanyforeignprofessors,teachersandfriendswithusthisevening.Lastyear,withthejointeffortsofallthefacultymembers,wemadesomeimpressiveachievementsinbothresearchandteaching.Someofourresearchandteachingprogramshavewonawardsathenationalandprovinciallevels.Wecertainlyowetheseachievementstoourcolleaguesandourforeignfriendshere.I’dliketotakethisopportunitytoexpressmythankstoyouforwhatyouhavedoneforouruniversity.Also,I’dliketowisheveryonegoodhealthandsuccessinhenewyear.Nowletmeproposeatoast.HappyNewYear！Unit2C1.Energyuseshouldbenefitglobalsustainabilitysothatitcancontributetolong-termhumanwell-being.2.Today,thisconsensushasgivenwaytoavarietyoffamilystylesasaresultofpeoplelivinglonger,marryinglater,anddivorcingmore.3.Muchofthecurrentresearchentailsclosecollaborationwithindustry,whichleadstoaprofitableexchangeofpersonnelandideas.4.Ifwecannotpindownexactlywhatwearesupposedtobemanaging,howcanwemanageit?5.Themagnitudeofurbanmigrationinrecentyearsisevidenceofmoredisturbingtrends:theexpandinggapbetweenrichandpoor,rapidpopulationgrowthandincreasingenvironmentaldegradation.6.Thestudentsperceivedthatthetoxicitytestingofaninsecticideisonaparwiththatofacosmetic.7.Thispresentationdescribesalargesetofplausiblegoals,atleastoneofwhichshouldbeachievedwithinyears.8.Thepracticeofastrictenvironmentalevaluationandaregularmonitoringsystemiscentraltothesmoothprogressoftheproject.9.Eventheverymediocreservicesandfoodatthebeautyspotdidnotdetractfromtheenjoymentofthetourists.10.Tofinancehertowdaughterswhoarebothatcollege,shebeganmakinghandicrafttoaugmentthefamilyincome.汉译英：以上各种因素究竟如何影响能源供应的资金成本难以量化，部分原因是许多非环境因素实际上同环境因素相互交织在一起。比如，造成工程施工延误的原因，不但有管理上的限制，而且有工程、管理以及质量监控等方面的问题。然而在美国，过去20年中由于环境影响，石油产品供应的资金成本至少上升了25%，而火电和核电生产的资金成本则上升了40%，甚至更多。Itisdifficulttoquantifythetotalcontributionofallthesefactorstothemonetarycostsofenergysupply,inpartbecausefactorsnotrelatedtotheenvironmentareoftenentwinedwithenvironmentalones.Forexample,constructiondelayshavebeencausednotjustbyregulatoryconstraintsbutalsobyproblemsofengineering,managementandqualitycontrol.Nevertheless,intheUS,environmentalimpactshaveincreasedthemonetarycostsofsupplyingpetroleumproductsbyatleast25percentduringthepast20years,andthecostsofgeneratingelectricityfromcoalandnuclearpowerby40percentormore.英译汉：能源和人类利益有着双重关系，人力历史发展长河中，由于