Unit6Whenwasitinvented?SectionA1(1a-2d)教学设计洪亮蕲春县第三实验中学一、教学目标：1.语言知识目标：1)能掌握以下单词：heel,scoop,electricity,style,project,pleasure,zipper,daily,haveapoint,website,pioneer,list,mention能掌握以下句型：①—Whenwasthetelephoneinvented?—Ithinkitwasinventedin1876.②—Whataretheyusedfor?—Theyareusedforseeinginthedark.2)能谈论物品被发明的时间、发明者，表达某发明的用途。2.情感态度价值观目标：了解一些近现代发明的时间及用途，激发自己热爱发明的情感。培养想象力，善于观察事物。面对难题，用积极的态度去解决，发挥想象力，认识世界，改造世界。二、教学重难点1.教学重点：1)本课时的单词、词组和句型，学习运用一般过去时态的被动语态。2)学会询问发明时间及用途的基本句型：—Whenwasthetelephoneinvented?—Ithinkitwasinventedin1876.—Whataretheyusedfor?—Theyareusedforseeinginthedark.2.教学难点：运用一般过去时态的被动语态来讨论发明的发明时间及用途。三、教学过程I.Warmingup1.展示中国古代四大发明的图片，询问这些发明的时间与近代发明的发明者，让学生们将图片与发明者相连。T:Doyouknowwhattheseinventionsare?Ss:It’scompass/paper-making/gunpowder/printing.T:Doyouknowwhentheywereinvented?Ss:...wasinventedin...2.展示近现代的主要发明，和学生一起探讨发明时间Ⅱ.Presentation引导学生们学习一般过去时态的被动语态结构。让学生们看大屏幕的如果爱和发明者的图片,并将句子改为被动语态。如：T:KarlBenzinventedthefirstcarin1885.Thefirstcarwasinvented(byKarlBenz)in1885.Ⅲ.Talking1.Lookatthepicturesin1a.Discusswithyourgroup,inwhatorderdoyouthinktheywereinvented?Trytonumberthem[1-4].2.Studentsdiscusswiththeirpartnersandnumberthepictures.3.Talkingabouttheinventions:A:IthinktheTVwasinventedbeforethecar.B:Well,IthinktheTVwasinventedaftertheTV.Ⅳ.Listening(1b)1.T:Tellstudentslookatthepicturesandyearsontheleft.2.Playtherecordingforthestudentstolisten.3.Studentslistentotheconversationandtrytomatchtheinventionwiththeproperyear.4.Checktheanswers.Ⅴ.Pairwork(1c)1.Studentstrytoremembertheinventionandtheyear.2.StudentB,coverthedates.StudentA,askStudentBwhenthethingsinthepicturein1bwereinvented.Thenchangerolesandpracticeagain.3.Letsomepairsaskandanswerinpairs.e.g.A:Whenwasthetelephoneinvented?B:Ithinkitwasinventedin1876.…Ⅵ.Listening(2a、2b)Workon2a:T:Tellstudentstheywillhearsomeinterestinginventions.1.Lookatthepicturesin2a.Discussthethingswhattheyareusedfor.2.Playtherecordingforthestudentstolistenandnumberthepictures.3.Playtherecordingagaintochecktheanswers.Workon2b:1.Letstudentsreadthechartbelow.Explainsomemainsentencesforthestudents.Makesuretheyknowwhattodo.2.Playtherecordingforthestudentstofillintheblanks.3.Playtherecordingagaintochecktheanswers.4.Listenagainandfillintheblanks.Ⅶ.Pairwork(2c)1.Tellstudentstomakeconversationsusingtheinformationin2b.Makeamodelforthestudents.A:Whataretheshoeswithspecialheelsusedfor?B:Theyareusedforchangingthestyleoftheshoes.2.Letsomestudentsmakeconversationsusingtheinformationin2b.3.Seewhichgroupdoesthebest.Ⅷ.Role-play(2d)1.ReadtheconversationsandLetstudentsreadaftertheteacher.2.Explainsomenewwordsandmainpointsintheconversation.3.Askstudentstorole-playtheconversationingroups.X.Languagepoints1.Well,youdoseemtohaveapoint…haveapoint有道理e.g.Iadmit(that)youhaveapoint.我承认你有理。2.Theyareusedforseeinginthedark.beusedfordoingsth.表示“被用来做某事”。相当于beusedtodosth.e.g.Thiscomputerisusedtocontrolallthemachines.这台电脑是用来控制所有机器的。Doyouknowwhatthistoolisusedfor?你知道这工具是用于做什么的？3.Thinkabouthowoftenit’susedinourdailylives.thinkabout表示“考虑，想起”e.g.Heisthinkingabouttravellinginthesummerholidays.他正在考虑暑假旅游的事。Shewasthinkingaboutherchildhooddays.她正回想她的童年时期。【拓展有关think其它的短语】thinkof指“考虑，记忆，记起”eg：Youthinkofeverything!你全都提到了。Ican’tthinkofhisnameatthemoment.我一时想不起他的名字。thinksth.over指“仔细想，审慎思考，作进一步考虑”eg：PleasethinkoverwhatIsaid.请仔细考虑我说的话。Iwanttothinkitover.我想仔细考虑一下这件事。thinksth.out指“想通，想出，熟思”eg：Hethoughtoutanewidea.他想出了一个新主意。Thatwantsthinkingout.那件事需要仔细考虑。HomeworkRecitetheconversationin2d.
