Unit3 Task高二英语课件 牛津.ppt

Unit 3WritingaformalletterSkills building 1:changing or correcting a textcalled“Chinese whisper”a gameYouwillbedividedintoseveralgroupsoften.Thefirststudentwillwhisperasentencetothesecondstudentandthenthesecondtothethirduntilthesentenceispassedtothelaststudentinthegroups.Onlytwominuteswillbegiventoyou.Thelaststudentineachgroupwillreporttheinformationtothewholeclass.Thegroupscomingupwiththecorrectanswerwin.Trytofindwhatmistakeseachgrouphasmadeandanalysewhatkindofmistakestheyare.Hereisthesentence:MrsSmithshenslaidmanyeggslastyear.Listentotheconversationandunderlinetheplaceswhereyouthinkmistakesmightoccur.Answers:1.8cm-18cm2.perweekeveryday2.3.not划去4.45-year-old35-year-old5.threetwo6.14187.55608.5%-85%9.185,00085,000Step 1:confirming informationDiscussionWhatdoesGMstandfor?WhatisGMfood?Isitthesameasnaturalfood?Listening practice:ListentothetapeanddotheexercisesinPartAandPartBonP53.Answers:A:2.fatterfaster3.keepdonthelpkeep4.moreexpensivecheaper5.isanot6.betterthanthesameas7.aregivennot8.cheapermoreexpensive9.arekeptnot10.wouldnotpaydontmindpayingB.1.wrong2.wrong3.wrong4.rightSkills building 2:conducting a discussionWhat would you say if you want to know my opinions on this picture?If you have different opinions on the picture,what would you say?Pleasethinkofdifferentwaystoaskforopinionsandintroducenewideas.Step 2:reporting back to a science journalList the things about GM food.Group work:Tellwhatquestionsyoumayaskabouteachheadingandaddasixthheading.Writedownyourquestionsandapossibleheadingintheform.Addmorequestionstotheheadingsyousuggest.1.Safety of GM foodDoyouthinkitissafeforpeopletohaveGMfood?2.Possible side effectsArethereanysideeffectsifpeoplehaveGMfood?3.Taste compared with normal foodDoesittastethesameas/nicerthannaturalfood?4.CostDoyouagreethatGMfoodismoreexpensivethannaturalfood?5.Need for government controlDoyouthinkthegovernmentshoulddosomethingtoensureitssafety?Ifso,whatshouldbedone?6.Popularity for buyersWillyouorwillyounotbuttheGMfood?Skills building 3:writing a formal lettera formal letteranaddressadatethereceiversnamejobtitleandaddressaformalgreetingaformalending thesignatureI am writing to makeI urge you to seekUseful expressions:Step 3:writing a letter about GM foodSample:youraddress101HighStreet thedate1May,2005MrFrankBrownreceiversnamePublicRelationsManagerjobtitleSafewayLaboratories-receiversaddress305QueensDriveLiverpoolDearMrBrown,-formalgreetingIamwritingtocomplainpracticeimmediately.Yourssincerely,-formalendingJimDavidsonsignatureJimDavidsonyournameLanguage points1.costn.U the amount of money needed to buy,do or make something:For many parents,two salaries are essential to cover the cost of(=pay for)school fees.对于许多父母来说,两份薪水支付上学的费用是很基本的.pluralnounthe cost of something:We need to cut our advertising costs.我们需要削减我们的广告费用.n.SorUsomething which is given,needed or lost in order to obtain a particular thing:He earned a lot of money but at the cost ofhis health.他挣了很多钱,却以牺牲了自己的健康为代价.v.Tcost,costHow much does this book cost(=Whatisthepriceofthisbook)?这本书值多少钱?+twoobjects The trip will cost you$1000.这次旅行将会花费你1000美元.costly:adj.expensive:昂贵的昂贵的a costly item2.look forward to:+ingformofv./n.She was looking forward to seeing the grandchildren again.她盼望着再次看到她的孙子孙女们.带带to doing的常用结构的常用结构1.动词动词+介词介词to+动名词动名词(1)admittodoingsth承认做了某事(2)applytodoingsth适用于做某事(3)objecttodoingsth反对做某事(4)seetodoingsth负责做某事(5)sticktodoingsth坚持做某事(6)taketodoingsth喜欢上做某事，逐渐习惯做某事2.动词动词+宾语宾语+介词介词to+动名词动名词(1)applyoneselftodoingsth专心致力于做某事(2)devotesth/oneselftodoingsth把献给/献身于做某事(3)limitsthtodoingsth把限制在做某事的范围内(4)reducesbtodoingsth使某人沦为做某事(5)giveoneslifetodoingsth献身于做某事(6)payattentiontodoingsth注意做某事(7)setonesmindtodoingsth决心做某事(8)addictoneselftodoing沉溺于做某事3.be+形容词形容词+介词介词to+动名词动名词beequaltodoingsth 能胜任做某事beusedtodoingsth 习惯于做某事beopposedtodoingsth反对做某事bereducedtodoingsth使某人沦为做某事bedevotedtodoingsth献身、致力于做某事belimitedtodoingsth把限制在做某事的范围内3.majority:n.1)Sthelargernumberorpartofsomething:2)Cinanelection,thedifferenceinthenumberofvotesbetweenthewinningpersonorgroupandtheonethatcomessecond:The majority of the employees have university degrees.大部分雇员有大学文凭.The Socialists won by a narrow/large majority.社会主义者以大部获胜.4.conclude:v.1)IorTtoendaspeech,meetingorpieceofwriting:2)Ttojudgeordecidesomethingaftersomeconsideration:+that3)Ttocompleteanofficialagreementortask,orarrangeabusinessdealShe concluded the speech by reminding us of our responsibility.她通过使我们想起我们的责任结束了演讲.The jury concluded from the evidence that the defendant was innocent.陪审团从证据得出结论这个被告是清白的.conclusion:n.相关短语：相关短语：reach/cometo/drawaconclusion得出结论得出结论5.urge:v.IorT+to infinitive+thatLawyers will urge the parents to take further legal action.律师们将会催促这些父母采取进一步的行动.Investigators urged that safety procedures at the site should be improved.调查人员催促这个地方的安全措施应该被改进.NOTE:urge后的宾语从句中动词要用虚拟语气，即（should）+动词原形。其它类似的词有：suggest,advise,propose,ask,demand,require,request,insist,order等。6.seek:v.Tsought,soughtFORMAL1)totrytofindorgetsomething,especiallysomethingwhichisnotaphysicalobject:2)toaskforadvice,help,approval,permission,etc:Are you actively seeking jobs?你在积极地寻找工作?吗Legal advice should be sought before you take any further action.在你采取进一步的行动前你应该寻求法律上的建议.v.I+toinfinitivesought,soughtFORMALtotryorattempt:They sought to reassure the public.他们试图使公众放心.7.practice:(1)n.Uactionratherthanthoughtorideas:(2)n.CorUsomethingthatisusuallyorregularlydone,oftenasahabit,traditionorcustom:(3)n.CorUwhenyoudosomethingregularlyorrepeatedlytoimproveyourskillatdoingit:I cant see how your plan is going to work in practice.我不能明白你的计划在实践中怎样运行.Its common practice in the States to tip the hairdresser.在美国给理发师消费是很普遍的.I need to get some more practice before I take my driving test.在我参加驾驶测试前我需要更多的练习.practise:v.IorT+ing form of verb 我每天练习说英语.I practise speaking English every day.相关短语或表达：相关短语或表达：Practice makes perfect.熟能生巧。put sth.into practice 把付诸于实践practise doing sth.in practice在实践中out of practice疏于练习Thank you!