Unit1Whenwasitinvented课题Unit1Whenwasitinvented.课时1课型新授课教学目标1.Vocabulary:hard-working,reportcard,candobetter,speaking,listening,average,surprise.2.Patterns:Whatdidyourmathteachersay?Hesaidhecouldspeakthreelanguages.重点难点分析及突破措施1.Learnsomenewwords:clone,experiment2.Goonlearningthesimplepastpassivevoice:(1)Doyouknowwhenitwasinvented?(2)Itwasinventedin1879.3.Learnsomeinformationabouttheclonetechnology.(1)Cloningisfamousthroughouttheworld.(2)ThereisDNAinmostlivingthings,includinghumanbeings.(3)Nodoubtcloningcanhelpsavethoseanimalsindanger.(4)Anditcanalsobenefithumanbeings.教具准备课件,teachingcards,picturesandataperecorder.板书设计Unit1Whenwasitinvented.？(1)Doyouknowwhenitwasinvented?(2)Itwasinventedin1879.教学过程(包括导引新课、依标导学、异步训练、达标测试、作业设计等)Step1Review做游戏，复习一般过去时被动语态的用法，导入新课。1.(用上节课的作业做一个链式游戏，以小组为单位，就计算机、MP3、CD、手机、数码相机或学习用具等进行对话，操练bemadeof/bemadein/bemadefrom/beusedfor的用法。让每一小组的第一个同学回过头去问下一位同学，依次接着往下问。)T:Boysandgirls.Let’splayagame.Asestionsonebyone.S1:What’syourfavoriteinvention?S2:AnMP3.What’sitmadeof?S3:It’smadeofsteelandplastic.Whenwasitdeveloped?S4:Itwasdevelopedaround1998.What’situsedfor?S5:It’susedforhelpingustoimproveourEnglish.…2.(用多媒体出示图片，导入新课。)T:Youdidverywell.Therearemanyimportanttechnologiesandinventionsintheworldtoday.Lookatthisinvention.(展示灯泡图片。)It’sabulb.Doyouknowaboutit?(板书并要求学生了解。)bulbSs:Yes,alittle.T:OK,whoinventedit?Ss:ThomasEdison.T:Whenwasthelightbulbinvented?Doyouknow?Ss:No.T:OK,let’scometo1aandlearnaboutit.Step1LeadinginCheckthehomework.Askseveralstudentstoreadtheirepisodestotheclass.Step2Pre-taskSBPage30,3a.1.ReadtheinstructionsandaskSstoreadtheletterontheirownandwriteAlan’snameonhisreportinactivity2b.2.Correcttheanswer.SBPage30,3b.1.GetSstousetheinformationfromactivity2btowritealettertoarelativeorafriendabouttheirreportcards.2.Askastudenttoreadhisorhercompletedlettertotheclass.Orallycorrectanymistakes.Step3While-taskSBPage30,3c.AskSstowritetheirownreportcards.WhileSswork,walkaroundandofferassistanceifnecessary.SBPage30,Part4.1.GetSstomakeuptheirteacherscomments.2.Pairwork.Inpairs,talkabouttheirreportcards.3.Askseveralpairstosharetheirconversations.Step4Post-taskSBPage31,Selfcheck,Part1.1.AskSstofillintheblanksontheirown.2.Correcttheanswers.3.HaveSsmakesentenceswiththewords.SBPage31,Selfcheck,Part2.1.AskSstoreadthestory.2.Inpairs,haveSstomakeconversationsaccordingtothestory.3.AsksomeSstosharetheirconversationswiththeclass.Step5HomeworkAskstudentstowritetheirconversationsontheirexercisebooks.教学后记（包括达标情况、教学得失、改进措施等）Mostofthestudentshavegraspedthewordsandexpressions.Theycanusethemfreely.Fifteenstudentshavegotfullmarksinthetest.Onlyafewstudentscan’tunderstandthefollowingknowledge:
