新目标板九年级导学案Unit9Whenwasitinvented?Period1SectionA1a---2c学习目标知识目标:口头及书面掌握以下句型:1.A:Whenwasthetelephoneinvented?B:Ithinkitwasinventedin1876.2.A:Whataretheyusedfor?B:They’reusedforseeinginthedark.3.A:Whoweretheyinventedby?B:TheywereinventedbyJulieThompson.熟练掌握以下词汇:invent，heat，calculator，scoop，adjustable，heel，operate，battery，slipper技能目标：1.正确运用被动语态谈论重要发明的历史和用途。2.掌握一般过去时态的被动语态由was/were+过去分词构成。学会单词invent,heat以及beusedfor的用法。情态态度：通过学习我们周围经常使用的发明物的历史来开阔眼界，丰富自己的阅历，使自己养成勤于思考、善于总结的好习惯。学习过程一、“FourGreatInventionsinancientChina?”的意思是_____________________paper-makingprintingcompassgunpowder二、1.1.观察1b中的图片，听录音，回答问题：Whataretheytalkingabout?2.2.听录音，把这些发明与其发明的时间对应起来。三、1.1.观察2a中的图片，快速浏览2a中给出的描述。2.2.听2a的录音，按你听到的顺序标出序号。3.3.快速浏览2b表格中的内容，听录音，把三栏的叙述连线。4.4.再听一遍录音，选择合适的单词完成对话。a.a.Heatedb.slippersc.usedford.stylee.adjustablef.scoopingBoy:Whatarehose?Girl:They’rebattery-operated.Boy:Whataretheyusedfor?Girl:They’re_________seeinginthedark.Boy:Oh,that’scool!Whoweretheyinventedby?Girl:JulieThompson.Andlookatthis___________icecreamscoop.Boy:Iknowwhatit’sfor!It’susedfor___________outreallycoldicecream.Girl:Right.ItwasinventedbyChelseaLanmon.Boy:Myfavoritearethoseshoeswith__________heels.Youknow__________youcanmovetheheelsupanddown.TheywereinventedbyJayceCoziarandJamieEllsworth.Girl:Andwhataretheyusedfor?Boy:Well,youcanchangethe_____________ofyourshoes.Youcanmaketheshoesgofromcasualtodressy.归纳总结、提升拓展主动语态与被动语态：英语动词有两种语态,即主动语态(TheActiveVoice)与被动语态（ThePassiveVoice)。主动语态表示主语是动作的________被动语态表示主语是动作的___________.TheymaketrainsinZhuzhou.TrainsaremadeinZhuzhou..Thefarmersgrowcottoneveryyear.Cottonisgrownbythefarmerseveryyear.主动语态变被动语态的步骤：1、主动语态的____变为被动语态的____；2、主动句的谓语动词变为被动结构；3、主动句的主语变为被动句的宾语，由___引出，当不强调动作的执行者时，常省略。4.其它成分不变。当堂检测，训练提高1、TheyspeakEnglishinCanada.2、Peopleusedwoodformakingtables.3、TheyaremakingcomputersintheUSA.4、TheyhavegrownriceinSouthChina.5.Wemustplantmoretreesnextyear.6.Iamgoingtocleanourclassroomtomorrow.
