Unit4Lesson2Robots教學案例（1）StatusofthePeriod:ThisisanimportantlessoninBookisthesecondoneofUnit4.Soifthestudentscanlearnitwell,itwillbehelpfultomakethestudentslearntherestofthisunit.Thisisthesecondperiodofthetext,ifthestudentsgraspit,theycanuseitinreallife.Teachingaims:Knowledgeaims:Tolearnthenewwords,expressionsandtext.Abilityaims:(1)TodeveloptheSs’abilitiesoflistening,speaking,readingandwriting.(2)TotraintheSs’abilityofworkinginpairs.3.Moralaims:ToenabletheSstorespondtoarequestforhelp.Teachingaids:Taperecorder,smallblackboard,powerpointandsoon.TeachingProcedure:I.Revision:A.QuickResponses:Whatarethefourmainpartsofthecomputer?Whereareallthecomputer’selectronics?Whatdoesthekeyboarddo?Whatdoesthemainunithelpustodo?Whatcanyoudowiththemonitor?What’stheuseofthemouse?AreyouabletosurftheInternetnow?Washeabletodowordprocessingatprimaryschool?Whatwillhebeabletodoonthecomputersoon?I’mnotabletoworkontheInternet.Whataretheadvantagesofthecomputer?Whatarethedisadvantagesofthecomputer?WhatcanyoudoifyouareconnectedtotheInternet?Whatcane-mailenableyoutodo?Dorobotshavecomputertocontrolthem?CouldyoutellmesomethingabouttheRobots?:I).Tuningin:LookatpicturesonSBP137andanswerthequestions:1.Picture1:What’sthis?(It’sarobot.)2.Whatisitdoing?(It’stidyinguparoom.)3.Whatdoehelooklike?(Itlookslikeaman.)4.Canrobotsdohouseworkforpeople?(Yes,theycan.)Theycandoallkindsofjobsathome.Wecallthemhome-helprobots.5.Whichrobotsarealsohome-helprobots?(Robotsinpicture2and5)7.Whataretheydoing?(Therobotinpicture2ispreparingfoodandtherobotinpicture5ismakingthebed.)8.Whataretherobotsdoinginpicture3,4,6?(Therobotinpicture3isdoinganexperimentinspace,therobotinpicture4isdoingadangerousjobandtherobotinpicture6isperforminganoperation.)9.Accordingtothepictures,whatcanrobotshelppeoplewith?(Theycanhelpuswiththehousework,spaceexperiments,dangerousjobs,operationsandsoon.)10.Arerobotsabletoworkbythemselves?(Yes,theyare.)11.Whyaretheyabletoworkbythemselves?(Theyhavegotcomputerstocontrolthem.)12.Areordinarymachinesabletoworkbythemselves?(No,theyaren’t.)13.Arerobotsdifferentfromordinarymachines?(Yes,theyare.)14.What’sthedifferencebetweenrobotsandordinarymachines？(Robotshavecomputerstocontrolthem.)(They’reabletoworkbythemselves.)(Talkinpairs)15.Arobotcanhelpuswiththehousework.Whatcanahome-helprobotdo?(Itcandojobsliketidyinguprooms,makingthebed,preparingfood,cleaningwindows,washingdishesandsoon.)(Talkinpairs.)16.Isthereanyrobottohelpusstudy?(Yes,thereis.)17.Whathasarobotforstudygot?(Ithasaverybigcomputermemory.)18.Whatcanarobotforstudydo?(Itcantutoryouinallschoolsubjects.)19.Whatelsecanrobotsdo?(Theycandoanexperimentinspace,performanoperationanddoadangerousjob.)II.)Reviewwordsbyenlargingthenewwordsintophrasesandsentences.r_b_t,somerobotsh_m_-h_lp,home-helprobots.t_d_,tidyuparoom,Heistidyinguparoom.pr_p___,preparefood.Mumispreparingfoodforme.d_ng_r__s,adangerousjob.Robotscandodangerousjobs.h__sew__k,helpuswiththehousework.p__f_rm,performanoperation._p_r_t___,performanoperation.Thedoctorperformedanoperationyesterday.pl__s___,withpleasure.Mypleasure.It’sapleasure.d_ff_r_nt,bedifferentfromd_ff_r_nce,bedifferencebetween.What’sthedifferencebetweenrobotsandordinarymachines?__d_n_ry,anordinarymachine.m_m_r_,computermemory.Arobotforstudyhasaverybigcomputermemory.f_nt_st_c.That’sfantastic!f_ct_ry,infactory.Theyareveryusefulinfactories._xp_r_m_nt,doanexperiment.Thescientistsaredoinganexperiment.sp_ce,inspace,doanexperimentinspaceIII.)Inordertoletstudentsgetfamiliarwiththesentencesofthetext,dividetheclassintothreegroupsandletthemhaveacompetition,thegroupwhocanfinishthedialoguequicklyandcorrectlywillbethewinner.A:Whatarethese?B:Theyare____________.A:Can_______helpuswiththehousework?B:Yes,theycan.A:Whatcanhome-helprobotsdo?B:Theycandojobslike_______rooms,________food,_________dishes,_______windows,_________bedandsoon.A:Isthereanyrobottohelpusstudy?B:Yes.Arobot_________hasaverybig______________.Itcantutorusinall_____________.A:Whatelsecanrobotsdo?B:Theycandospace__________,___________jobsand__________.III.Text:Step1.Lookatthepictureandanswerthequestions1.Whoarethey?2.DoesLiBinknowanythingaboutrobots?3.WhataboutAlice?4.WillLiBintellAliceanythingaboutrobots?Step2.Listentothetextforthefirsttimeandfillintheblanks.Robotsare__________________ordinarymachines.Whatarethe_________________robotsandordinarymachines?RobotsOrdinarymachineshavegotcomputers_______________them,have______________them,are_________________bythemselves,are______________bythemselves.havegot___________intheirbodies,/Step3.Listentothetextforthesecondtimeanddo“T”or“F”.Robotsareordinarymachines.Alltherobotshavecomputermemorizesintheirbodies.Robotsaren’tabletoworkbythemselves.Robotscandoallkindsofjobsinsteadofpeoplewiththehelpofprograms.Home-helprobotscanhelpuswiththehomework.Robotsareveryusefulinsomespecialfactories.Robotcandoverydangerousordifficultjobs.Ifeveryoneofushasarobotforstudy,wedonotneedtogotoschoolatall.Step4.ListentothetextforthethirdtimeandfillintheblanksIwasborninarobots’family.We’re___________________ordinarymachines.Allmyfamilymembershavegot_________inourbodies.Sowe’reabletowork__________________.Someofuscanhelpyouwithyour________.Wecandojobslike_________________rooms,________food,_______dishes,and________windows.Someofuscanhelpyouwithyour________.Wehaveverybig__________________.Wecan________youinallschool_________.That’s_________,isn’tit?Wearealsovery__________in___________.Wecanhelpworkersdovery___________and___________jobs.Step5.Readthetextafterthetape.Askthestudentsindifferentlevelsfromlesscapablestudentstotopstudentstorepeatthesentences.Ifthesentencesaredifficult,lettopstudentstranslateintoChinese.Step6.Softreading.Step7.Askthestudentstoreadthetexttogether.IV.Groupwork:Supposeyouareroboticscientists.Youwanttodevelopdifferenttypesofrobotstomeettheneedsofvariouskindsofpeople.Discussyourideasingroupsoffourafterthemodelinthreeminutes.Model:A:Let’sdeveloparobottohelpstudentspracticeEnglish,shallwe?B:Yes,Let’s.Maybewecouldalsodeveloparobottohelppolicemencontroltraffic.C:Iagree.Shallwedeveloparobottohelpfiremenputoutfires,too?D:Yes,whynot?Ifeelwea