北师大版高二下Unit 20《New Frontiers》(Lesson 2)word教案1【精品教案】

北师大版高二下Unit 20New Frontiers(Lesson 2)word教案1【精品教案】 Unit20New FrontiersLesson2Artificial IntelligenceTeaching aims:To learnsomething about the Artificial Intelligence Todevelop studentslistening abilityTo makestudents speakabout theArtificial IntelligenceTeaching difficultand mainpoints:To improvestudentslistening andspeaking abilityTeaching aid:Teaching procedures:Step1.Warming upTask1:Get studentshave afree talk about the following questions,work inpairs.1.What sciencefiction filmshave youseen that are aboutintelligent robotsor robotsthat looklike human?2.How didthe robotsbehave towardshumans?3.Which of these thingscan robotsand putersdo now?Task2:talkaboutthe filmArtificial IntelligenceTask3:to watcha shortperiod ofthe filmto arousethe studentsinterests andhelp themunderstand whatArtificialIntelligenceis.Step2.Listen tolearn Taks1:Listen to the interviewwith Ananovaand answerthe questionsTask2:Read aloudthefollowingwords togetherin otherwords,is thatclear?What Idont quiteunderstand,to putit anotherway,What I mean is,what that means,so doesthatmean,could youexplain how,What Im tryingto say,what Im gettingat,thataprogramme which,Imeantask3:Listen to the interviewagain.Complete theFunction Filewith theseexpressions.Step3.Speaking Voiceyour opinion:People usea robot to actas guarddog,are youcurious?Now turn to page103,read informationaboutthe robot.Could youadd yourown informationso thattherobotdog beemore perfect?Explain yourrobottoyour partnerusing expressionsfrom theFunction File.Ask questionsabout yourpartners robot.Step4.Assignment一New words1.present vt1.介绍;2.出现;出席;呈现3.赠与;交给eg.Miss Smith,may Ipresent Mr.Brown?史密斯小姐,让我把布朗先生引荐给你好吗?The questionnaturally presenteditself inmy mind.我的脑海中自然而然地出现了这个问题。 We presentedhim abasketball onhis birthday.他生日那天我们送给他一个篮球。 2.category n类型；类别The stringsare acategory ofmusical instruments.弦乐器是乐器的一种。 These forman independentcategory.这些形成了一个独立的种类。 辨析category,type和kind1category意为“类型；类别”。 是正式用语，指对材料或图书等进行分析而划分的种类。 Place thesebooks incategories,please.2Type意为“类型，型式，样式”。 指不太明确类别的划分，有主观判断之意。 What typeof housewould youprefer tolive in?3Kind意为“种类，性质，本质”。 指各种种类的东西。 There areall kindsof animalsin thezoo.3.autonomous EachoftheU.S.states hasan autonomousgovernment.美国的每个州都有一个自治政府。 4.colleague n.同事；同僚My colleaguehas brokenoff thehabit ofsmoking.He isa colleagueof mine.5.rescue vt/n援救，营救，挽救，拯救，救援He rescuedthree childrenfrom theburning buildingThe lifeboat wassent outto rescuethe sailorsfrom thesinking ship.Rescue wasat hand.e toones rescue来营救某人辨析save与rescue1save强调被救的人可以继续享有生命His lifewas savedby thedoctor2rescue的意思是不失时机地是某人，某物免遭上海，免收危险或避免死亡。 He rushedinto thehouse onfire torescue achild init.6.original adj/n.1起初的;原来的The originalsettlers arethe Indians.最早在这里定居的是印第安人。 2独创的;新颖的The inventorhad anoriginal mind.那个发明家具有创新的头脑。 Your designsare highlyoriginal.你的设计很独特。 2This isa translation;the originalis inFrench.这是译文,原文是法文。 7.operational adj.1.即可使用的The airportdid notbee operationaluntil May.机场到五月才可使用。 二:Language notes1.be seton把背景设置在之上All thathappens ison Mars.所发生的一切都是把背景设在火星上。 be setin以为背景set aboutdoingsth开始；着手The girlattendant hasset aboutcleaning theroom.set aside留出；把置于一旁set off出发；启程；引起set out动身；开始；陈述set up创立；建立2.take over接管；接替；带领到另一地;在上花费The strikerstook overthe factories.She tookus overtothewindow.I havetaken twoyears overthe book.take apart拆开take away拿走；夺走；带走Take back收回（所说的话）；使回想起takefor以为（某人或某物）是take in吸收；欺骗take up(doing)sth开始从事；占据占用（时空）3.give away泄露，暴露；告发；赠与；颁发;失去She decidedto givethese oldclothes away.We hearda shot.The smokehad givenus awayYouve givenaway agood chanceof suess.4.pensate for赔偿，补偿损失nothing canpensate forthe lossof ones health.We pensatedhis losswith money.5.figure out计算出；解决；弄明白I justcant figurehim out.No onecan figureout howthe firestarted.6.make up for弥补(失去或不足的东西)We haveto make upforthe losttime.Hard workcan oftenmke upfor alack ofability.make upwith sb和重归于好make upto sb巴结，讨好，奉承某人makeupof由组成，构成7.get across被理解；被接受your meaningdidnt reallyget acrosstothestudents.8.e out1出版；发表2出来3出现4说出，讲出His newbook wille outsometime nextmonth.Come outand getsome freshair.A newmodel wille thissummer.He cameout withsome funnystories.8.turn off1解雇；辞退2使某人感到厌烦3拐弯4把关掉He wasnearly turned off bythe bossfor hiscarelessness.I wasturnedoffby hisboring speech.turn onsb突然攻击,反对,对.发怒,turntosb求助于He turnedto mefor help.他向我求助。 9.in otherwords,I haveno childhood.比较in aword/in oneword/in word/in plainwords10.children canget alot outof beinginvolved ina.be involvedin trouble卷入纠纷b.be involvedin disaster陷入不幸c.be involvedin adispute;卷入一场纠纷d.be involvedin thecase同这桩案子有干系e.bee aparticipant;be involvedin.成为某项活动的参与者；参与某项活动。 f.be involvedin thebig powerconflict;卷入大国的冲突11.I wasso angrythat Iwalke dout,leaving himsitting thereshocked andwhite-faced.Leave用法vt/vi.留下；遗忘；听任；离去；委托等。 n.请假，假期I mustgo back,Ive leftmy carkeys.Leave himto hisfather