沪教版初中八年级英语上册Unit 4 Inventions_教案1.doc

《沪教版初中八年级英语上册Unit 4 Inventions_教案1.doc》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、Unit4InventionsTeachingaims：1．阅读文章Greatinvention，熟悉三个发明并能口述。2．熟练掌握课文单词及重点词组。DifficultPoints:1．掌握课文单词及重点词组。2．口述三个发明ImportantPoints:1．熟练掌握课文单词及重点词组。2．口述三个发明TeachingProceduress:Step1背一背下列短语并标注在课文中。1．greatinventions伟大发明2．changetheworld改变世界3．liveagood/bette

2、rlife活的好/更好4．inhistory历史上5．intheearly19thcentury19世纪初6．atthestartofthe20thcentury20世纪早期7．sincethen自那以后8．allowsb.todo允许某人做某事9．keepintouchwith与…保持联系10．intheevening在夜晚11．inthedaytime在白天Step2读一读下列句子并翻译成中文。1．Thefollowingarethreeofthemostimportantinventionsi

3、nhistory.2．Afteritsinvention,travelingbecamefasterandmorecomfortable.3/33．Withoutthewheel,wewouldnothavetheseinventions.4．Sincethen,peoplehavebeenabletospeaktoeachotheroverlongdistances.5．Theyallowpeopletokeepintouchwitheachotheranytime,anywhere.6．With

4、lightbulbs,peoplecandoasmanythingsintheeveningsastheycaninthedaytime.Step3学一学练一练下列知识点。1．invention词性_____；动词_________；名词（发明者）__________。【注意】invent和discover的区别，invent指通过想象研究创造前所未有的东西，discover指发现了原来存在的事物。Doyouknowwhotheplane?ColumbusAmericain1492．2．Thefol

5、lowingarethreeofthemostimportantinventions.Thefollowing意为“下述，下列”，动词用单数还是复数取决于后面谈及的人或事物的单复数。Thefollowing(be)ashortsummaryofthearticle.3．Afteritsinvention,travelingbecamefasterandmorecomfortable.Afteritsinvention是介宾结构，在句中作时间状语，相当于一个时间状语从句，即：Afterpeoplein

6、ventedthewheel.请将下文的beforetheinventionofthelightbulb改成时间状语从句：4．翻译下列词组：intheearly19thcenturyatthestartofthe20thcenturyattheendofthe19thcenturyinthemid-19thcentury/inthemiddleofthe19thcentury5．Withoutthewheel,wewouldnothavetheseinventions.Withlightbulbs,

7、peoplecandoasmanythingsintheevenings…without表否定，意为没有，无，with3/3表示使用某种工具，拥有，具有等，在上面两个句子中with和without均为介词，后接名词。请造句：WithWithout6．Sincethen,peoplehavebeenabletospeaktoeachotheroverlongdistances.Since是介词，意为“从……以后，自……以来”后跟名词或动名词作时间状语，与完成时连用。如：IhavenotseenhimM

8、onday.distance词性，“距离，路程”，形容词“遥远的”。7．practical词性；意为；动词；意为名词；意为Hehassoccereveryafternoon.Hereareafewfashiontips.Step4对话活动，讨论发明Conversation1:S1:Whenwasthewheel/thetelephone/thelightbulbinvented?S2:S1:Whoinventedthe…?S2:S1:Whatwaslifelikebe