九年级英语上册 Unit 4 Topic 1 When was it invented Section D教案 （新版）仁爱版-（新版）仁爱版初中九年级上册英语教案.doc

When was it inventedSection D. Material analysis本课是九年级第四单元第一话题的第四课时。主活动是1a和Project。1a 通过介绍古今人们如何定位来继续学习一般过去时的被动语态，同时让学生初步接触并理解现在完成时的被动语态和含情态动词的被动语态。语法和功能部分则让学生通过填空来归纳总结过去时的被动语态和一些常用的功能句。Project部分则体现了“在做中学”的理念。让学生用英语来介绍自己的发明，无疑会巩固本话题的语言知识并进一步培养和提高学生“用英语做事情”的能力。. Teaching aims1. Knowledge aims：掌握本课的重点词汇和短语，归纳总结一般过去时的被动语态。2. Skill aims: 能够理解其他形式的被动语态。如: 现在完成时的被动语态和情态动词的被动语态。能够在听、说、读、写活动中正确地运用被动语态。. The key points and difficult points1. Key points: Words and phrases: mark, explorer, system, man-made, find out, as long as, be used to do sth.Sentences: This method worked well at night as long as the weather was good and the stars could be seen. Today, the problem has been solved by the Global Positioning System. It can also be used to study the shape of the earth.Grammar: was/were +pp2. Difficult points： The GPS is a great invention that helps us explore our planet and discover where we are. . Learning strategies 通过语法和功能部分的归纳总结来内化所学的语言知识。 通过参与讨论1a的问题来感知、预测文章大意。 通过Project的设计活动，介绍自己的发明来提高口头表达能力。. Teaching aids 指南针/小黑板/ppt等。. Teaching procedures . Blackboard designWhen was it invented ?Section DWords and phrases:explore+er =explorerman+made=man-madeguiding markssystemas long asGrammar:passive voiceam/is/are+ppwas/were+ppmodal verb+be+pphas/have+been+ppSentences:and the stars could be seen.Today, the problem has been solved byIt can also be used to study the shape of the earth.