2019-2020年高中英语 Unit2 Robots Period 6优秀教案 新人教版选修7

2019-2020年高中英语Unit2RobotsPeriod6优秀 教案 中职数学基础模块教案 下载北师大版¥1.2次方程的根与系数的关系的教案关于坚持的教案初中数学教案下载电子教案下载 新人教版选修7Teachingaims　　　1．Learnaboutrobotsandrobotsinthefightagainstlandmines.2．Helpstudentstolearnhowrobotsarehelpinghumanbeingsinclearinglandmines.Teachingprocedures　　　Step1　Lead－inPresentthepicturesonPage54andaskstudentstotellwhateachrobotdoes.(Studentsareencouragedtospeakouttheiropinionsfreely.)Step2　Listening1．Listentotheinterviewandnumberthepicturesintheorderthatyouhearaboutthem.Keys：4,2,1,3.2．Listentotheinterviewagainandfillinasmuchofthetableasyoucan.Shareyouranswerswithapartner.Listenonceortwicemoretocheckyouranswers.RobotWhatistherobot？Whatcantherobotdo？1234　　Suggestedanswers：RobotWhatistherobot？Whatcantherobotdo？1VacuumcleanerItcanmovefromroomtoroomcleaningyourhouse.Youcanprogramitsothatitcleanswhenyouareawayandyoucancontrolwhatit'sdoingfromyourputerattheoffice.2Personalrobotcalled“PaPeRo”Itunderstands650phrases，speaksmorethan3000words.Itcanrecognizedifferentpeople.Itcancheckyouremail.ItcanhelpchildrendoresearchontheInternetfortheirhomework，talktothemabouttheirdayatschoolandplaygames.3TinyhelicopterItwillbeusedtoflyintodangerousareas.Forexample，itcanflyintoahousethat'sbeendestroyedbyanearthquakeandcheckifanyone'sinside.4WalkingchairIthelpspeoplewhocan'twalktogoupanddownstairs.Step3　Readingtask1．Asweknow，Robotsaredesignedandbuilttodoataskthatisdangerous，unfortable，orrepetitiveforhumans.Todaywearegoingtoreadamagazinearticleaboutlandmines.First，askstudentstoreadthispieceofnewsaboutlandmines.ThreedecadesofwarinCambodiahaveleftscarsinmanyformsthroughoutthecountry.Unfortunately，oneofthemostlastinglegaciesoftheconflictscontinuestoclaimnewvictimsdaily.Landmines，laidbytheKhmerRouge，theHengSamrinandHunSenregimes，theVietnamese，theKPNLF，andtheSihanoukistslitterthecountryside.Inmostcases，eventhesoldierswhoplantedtheminesdidnotrecordwheretheywereplaced.Now，Cambodiahastheoneofthehighestratesofphysicaldisabilityofanycountryintheworld.Atthecurrentrateofprogress，itmaytakeasmanyas100yearstoclearalltheminesinCambodia，andtheUNestimatesthatwithcurrenttechnology，itwilltakenearly1100yearstoclearalltheminesintheworld.2．Next，presentthestudentssomeminesignsandremindstudentsthatinspiteofsomanywarningsigns，therearestillmanyvictimsasthepicturesshow.(Inspiteofsomanywarningsigns，therearestillmanyvictims.Lookatthefollowingpictures.)3．AskstudentstoglancethroughthetextquicklyandanswerthefollowingquestionsinExercise1onPage58.(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.4．WorkingroupstowritequestionsfortheseanswersinExercise2.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；2345　　Suggestedanswers：ParagraphMainideaSupportingdetails1Introduction：thedamagelandminescause·26000peoplekilledorbadlyinjuredeachyear·100millionburiedin60countries·Mostvictimsareinnocentpeople2Theproblemoflandmines·Eachyear100000removed·Eachyear2000000buried·Difficultanddangeroustoremove3Robotscanhelpfindtraditionalmines·Muchsaferinthehuntforlandmines·Fasteratfindinglandmines·ResearchatChibaUniversity4Robotscanfindplasticmines·Experimentalrobotsinproduction·Touseradartolocatemines·Toidentifytypesofmines5Worldopinionsturnedagainstlandminesinthe1990s·AgreementinOttawa，Canadatostopthemanufactureanduseoflandmines·StillalotofworktobedoneStep4　Discussion1．First，askstudentstoreadthefollowingmaterials.Fromthetextwe'velearnedhowseriousthesituationis.Manylivesareputintodanger.Sowemustdosomethingtoimprovethesituation.Asweknow，theUShasn'tyetmittedtotheMineBanTreaty.IhopeyouwillwritealetterofsuggestiontothepresidentoftheUS.Youmayrefertothetext2．EncouragestudentstowritealetterofsuggestiontothepresidentoftheUS，fortheUShasn'tyetmittedtotheMineBanTreaty.IntheletteryouwillsuggesttheUSshouldstopmanufacturinglandminesandspendmoremoneyonsolutionstoclearinglandmines，forexampledevelopingnewrobotstoremovethelandmines.Youcanrefertothefollowingmaterial：Producingonelandminecosts$3，yetonceinthegrounditcancostmorethan$1000tofindanddestroy，accordingtotheICBL.Over80percentofthe15000to20000landminevictimseachyeararecivilians，andatleastoneinfivearechildren，accordingtotheInternationalCampaigntoBanLandmines(ICBL)．Thedeadlylegacyoflandminesfaroutlaststheconflictsthatgaverisetothem.AmongthemostcontaminatedcountriesareIraq，Cambodia，Afghanistan，Colombia，andAngola.　　Iftimeislimited，askstudentstofinishitafterclassStep5　HomeworkFinishwritingthelettertothepresidentoftheUS.Asample：DearMr.President，IreadinthenewspaperthattheUShasn'tyetmittedtotheMineBanTreaty.I'mwritingtosuggestyourcountrysignontheagreement.1．Landmineskillorbadlyinjurearound26000peopleeveryyear.Thereareabout100millionlandminesburiedjustbeneaththesurfaceofthegroundin60countries.AmongthemostcontaminatedcountriesareIraq，Cambodia，Afghanistan，Colombia，andAngola.IthinkthisisonereasonwhypeopleinthesecountrieshatetheUSsomuch.2．Producingonelandminecosts$3，yetonceinthegrounditcancostmorethan$1000tofindanddestroy，accordingtotheICBL.Sostopmanufacturinglandminesandspendmoremoneyonfindingsolutionstoclearingthelandmines.Asyouknow，yourcountryhasdesignedthemostadvancedrobots.Whynotuseyouradvancedtechnologyandspendmoremoneyondesigningsomerobotstoclearthelandmines.Ifso，itwillbenefitthewholeworld.Peopleallovertheworldwillthinkhighlyofyouandyourcountry.Youandyourcountrywillbeemoreinfluential.Japanhassetagoodexample.Theyhavedevelopedrobotsthatcanbeusedtoclearlandmines.IhopeyourgovernmentwillfollowJapan'sexample.Thankyouforreadingtheletter.Ihopeyouwillconsidermysuggestions.Ibelieveyoualsohopethewholeworldwillenjoypeace.Let'sworktogetherandmakeapeacefulworld.Yourssincerely，SunCheng