选修七UnitRobotsPeriod6.doc

Period6ListeningandReadingTask设计者邵宁宁Teachingaims1Learnaboutrobotsandrobotsinthefightagainstlandmines.2Helpstudentstolearnhowrobotsarehelpinghumanbeingsinclearinglandmines.TeachingproceduresStep1LeadinPresentthepicturesonPage54andaskstudentstotellwhateachrobotdoes.(Studentsareencouragedtospeakouttheiropinionsfreely.) Step2Listening1Listentotheinterviewandnumberthepicturesintheorderthatyouhearaboutthem.Keys：4,2,1,3.2Listentotheinterviewagainandfillinasmuchofthetableasyoucan.Shareyouranswerswithapartner.Listenonceortwicemoretocheckyouranswers.RobotWhatistherobot？Whatcantherobotdo？1234Suggestedanswers：RobotWhatistherobot？Whatcantherobotdo？1VacuumcleanerItcanmovefromroomtoroomcleaningyourhouse.Youcanprogramitsothatitcleanswhenyouareawayandyoucancontrolwhatitsdoingfromyourcomputerattheoffice.2Personalrobotcalled“PaPeRo”Itunderstands650phrases，speaksmorethan3000words.Itcanrecognizedifferentpeople.Itcancheckyouremail.ItcanhelpchildrendoresearchontheInternetfortheirhomework，talktothemabouttheirdayatschoolandplaygames.3TinyhelicopterItwillbeusedtoflyintodangerousareas.Forexample，itcanflyintoahousethatsbeendestroyedbyanearthquakeandcheckifanyonesinside.4WalkingchairIthelpspeoplewhocantwalktogoupanddownstairs.Step3Readingtask1Asweknow，Robotsaredesignedandbuilttodoataskthatisdangerous，uncomfortable，orrepetitiveforhumans.Todaywearegoingtoreadamagazinearticleaboutlandmines.First，askstudentstoreadthispieceofnewsaboutlandmines.ThreedecadesofwarinCambodiahaveleftscarsinmanyformsthroughoutthecountry.Unfortunately，oneofthemostlastinglegaciesoftheconflictscontinuestoclaimnewvictimsdaily.Landmines，laidbytheKhmerRouge，theHengSamrinandHunSenregimes，theVietnamese，theKPNLF，andtheSihanoukistslitterthecountryside.Inmostcases，eventhesoldierswhoplantedtheminesdidnotrecordwheretheywereplaced.Now，Cambodiahastheoneofthehighestratesofphysicaldisabilityofanycountryintheworld.Atthecurrentrateofprogress，itmaytakeasmanyas100yearstoclearalltheminesinCambodia，andtheUNestimatesthatwithcurrenttechnology，itwilltakenearly1100yearstoclearalltheminesintheworld.2Next，presentthestudentssomeminesignsandremindstudentsthatinspiteofsomanywarningsigns，therearestillmanyvictimsasthepicturesshow.(Inspiteofsomanywarningsigns，therearestillmanyvictims.Lookatthefollowingpictures.)3AskstudentstoglancethroughthetextquicklyandanswerthefollowingquestionsinExercise1onPage58.(1)Whatisthemaintopicofthisarticle？Whichpartofthetexttellsyouthat?(2)Whowrotethearticle?(3)Whatdothethreepicturesshowyou?(4)Whereisresearchbeingdoneonrobotsthatcanfindlandmines?(5)Inwhichtwocountriesmighttherobotsbeused?Suggestedanswers：(1)Themaintopicistheroleofrobotsinthefightagainstlandmines.Thetitletellsusthat.(2)NatashaWesley.(3)Someoneusingametaldetectortofindlandmines；therobotthatcanfindlandmines；somepeoplewhohavelosttheirlegsbecauseoflandmines.(4)ChibaUniversity (Japan)(5)AfghanistanandCambodia.4WorkingroupstowritequestionsfortheseanswersinExercise2.Checkyourworkwithyourpartner.QuestionAnswer126000people.2Onepersonevery20minutes.3Fordecadesafterwarshaveended.4100million.560countries.6100000.72000000.84mlong,1.8mwide,1mhigh.9900kg.106.111997.12122countries.Suggestedanswers：QuestionAnswer1.Howmanypeoplearekilledorinjuredbylandmineseveryyear？26000people.2.Howoftenissomeonekilledorinjuredbyalandmine？Onepersonevery20minutes.3.Forhowlongdolandmineskeepcausingdamage？Fordecadesafterwarshaveended.4.Howmanylandminesareburiedjustbeneaththesurfaceoftheground？100million.5.Inhowmanycountriesarelandminesburied？60countries.6.Howmanylandminesareremovedeveryyear？100000.7.Howmanylandminesareburiedinthegroundeveryyear？2000000.8.Howbigistherobotthatcanfindlandmines？4mlong,1.8mwide,1mhigh.9.Howmuchdoesitweigh？900kg.10.Howmanylegshasitgot？6.11.Whenwasanarrangementtostopthemanufactureanduseoflandminessigned？1997.12.Howmanycountriessignedtheagreementtostopthemanufactureanduseoflandmines？122countries.5.Readthearticleagaincarefullyandlookateachparagraphinturn.Underlinethesentencewhichsetsoutthemainideaofthatparagraph.Thenfillinthetablebelow.ParagraphMainideaSupportingdetails1Introduction：thedamagelandminescause26000peoplekilledorbadlyinjuredeachyear；100millionburiedin60countries；Mostvictimsareinnocentpeople；2345Suggestedanswers：ParagraphMainideaSupportingdetails1Introduction：thedamagelandminescause26000peoplekilledorbadlyinjuredeachyear100millionburiedin60countriesMostvictimsareinnocentpeople2TheproblemoflandminesEachyear100000removedEachyear2000000buriedDifficultanddangeroustoremove3RobotscanhelpfindtraditionalminesMuchsaferinthehuntforlandminesFasteratfindinglandminesResearchatChibaUniversity4RobotscanfindplasticminesExperimentalrobotsinproductionTouseradartolocateminesToidentifytypesofmines5Worldopinionsturnedagainstlandminesinthe1990sAgreementinOttawa，CanadatostopthemanufactureanduseoflandminesStillalotofworktobedoneStep4Discussion1First，askstudentstoreadthefollowingmaterials.Fromthetextwevelearnedhowseriousthesituationis.Manylivesareputintodanger.Sowemustdosomethingtoimprovethesituation.Asweknow，theUShasntyetcommittedtotheMineBanTreaty.IhopeyouwillwritealetterofsuggestiontothepresidentoftheUS.Youmayrefertothetext2EncouragestudentstowritealetterofsuggestiontothepresidentoftheUS，fortheUShasntyetcommittedtotheMineBanTreaty.IntheletteryouwillsuggesttheUSshouldstopmanufacturinglandminesandspendmoremoneyonsolutionstoclearinglandmines，forexampledevelopingnewrobotstoremovethelandmines.Youcanrefertothefollowingmaterial：Producingonelandminecosts$3，yetonceinthegrounditcancostmorethan$1000tofindanddestroy，accordingtotheICBL.Over80percentofthe15000to20000landminevictimseachyeararecivilians，andatleastoneinfivearechildren，accordingtotheInternationalCampaigntoBanLandmines (ICBL)Thedeadlylegacyoflandminesfaroutlaststheconflictsthatgaverisetothem.AmongthemostcontaminatedcountriesareIraq，Cambodia，Afghanistan，Colombia，andAngola.Iftimeislimited，askstudentstofinishitafterclass.Step5HomeworkFinishwritingthelettertothepresidentoftheUS.Asample：DearMr.President，IreadinthenewspaperthattheUShasntyetcommittedtotheMineBanTreaty.Imwritingtosuggestyourcountrysignontheagreement.1Landmineskillorbadlyinjurearound26000peopleeveryyear.Thereareabout100millionlandminesburiedjustbeneaththesurfaceofthegroundin60countries.AmongthemostcontaminatedcountriesareIraq，Cambodia，Afghanistan，Colombia，andAngola.IthinkthisisonereasonwhypeopleinthesecountrieshatetheUSsomuch.2Producingonelandminecosts$3，yetonceinthegrounditca