新目标英语九年级Unit 9 When was it invented- Section B 3a~4b教案

精品文档-下载后可编辑新目标英语九年级Unit9Whenwasitinvented?SectionB3a~4b教案【教学内容与分析】

本单元的话题是谈论一些发明的历程及用途。学生可以针对这些发明的用途及特点，发表自己的看法及理由。教师利用这些发明者的经历，潜移默化地渗透“努力学习，坚持自己的理想，就会成功”的情感目标。本课时是在前面学习了被动语态的基础上，阅读介绍茶叶的发明过程到仿写同一话题的作文，是一节典型的阅读写作课，具有一定的难度。

【教学目标】

1.语言知识目标：学习课文中的重点词汇ancient,remain,notice,produce,pleasant,pie,byaccident,accordingto,fallinto,throw，达到四会；掌握并熟练运用一般过去时的被动语态。

2.语言技能目标：读懂并准确理解关于发明的文章；学会用被动语态描述某物发明的过程。

3.学习策略：掌握速读和细读的阅读技巧及记叙文的要素。

4.文化意识：了解世界上各种发明的由来，学会做传承文化的使者。

5.情感态度：通过学习中国古明的文章，激发学生的民族自豪感。

【教学重、难点分析】

重点：通过阅读文章，准确把握文意，提炼出撰写关于发明的记叙文的要素。

难点：根据范文，学会使用被动语态仿写关于发明的短文。

【教学方法及手段】任务型语言教学法，多媒体，自制收纳盒，飞盘，MP3，矿泉水

【教学步骤】

StepILeading-in(3minutes)

Greettotheclass.

T:Hi,boysandgirls!Firstletmeintroducemyself.IcomefromNo.6MiddleSchool.MynameisDuHongmei.YoucancallmeMissDu.Sonicetomeetyou,everyone!

Ss:Nicetomeetyou,MissDu!

T:Whoputthepapernoteshere?It’sreallyinamess.

（Teachercollectsthepapernotesinthebox.Thenshowtheboxtotheclass.）

T:Whatisit?

Ss:It’sapaperbox.

T:What’situsedfor?

Ss:It’susedforputtingsmallthings/holding...

T:Whydidweinventit?

Ss:Tocollectthingseasierandmakeourroommuchtidier.

T:Wehavelotsofinventionstosolvetheproblemindailylife.

T:WhenwelistentoEnglish,whatdoweuse?(aTV?acomputer?amobilephoneorataperecorder?)

Ss:Ataperecorder.

T:ButwhenyoulistentoEnglish,canyoutakearecordereverywhere?

Ss:No,wecan’t.

T:Inordertosolvethisproblem,whatpeopleinvented?Canyouguess?

Ss:MP3.

（TeachertakesoutanMP3andshowsittotheclass.）

T:Whatisit?What’situsedfor?

Ss:...

T:Yes,it’susedforlisteningtoEnglishormusicanytimeandanywherewithoutdisturbingothers.

T:Asweknow,inventionslikeMP3arechangingourworldallthetime;theycanmakeourlifemoreconvenientandmorecomfortable.Todaywearegoingtotalkabouttheinventionsaroundus.WearegoingtolearnUnit9Whenwasitinvented?SectionB3a~4b.

StepIIPresentation(10minutes)

T:Next,wearegoingtolearnsomewordsabouttheinventionoftea.Readthefollowingstoriescarefully,trytoguessthemeaningoftheredwords.

（Showthestoriesonthescreenandgetthestudentstoguess.）

（Teacherexplainstheusagesofthenewwords.）

StoryOne

Longtimeago,ashepherd（牧羊人）noticedhissheepbecamemoreactiveaftereatingsomeredfruitfromabush.Heboiledsomeanditproducedapleasantsmell,socoffee,oneofthemostpopulardrinkswasinvented.

（Teacherexplainstheusagesofthenewwordsandgiveexamples.）

StoryTwo

TheCowherdandtheWeaverisafamousChineseancientlegend.Nowanewmovieismadeaccordingtothestory,lotsofpeoplegotoseeitinthetheatre.

StoryThree

Onceaboyfellintoabigvat（缸）fullofwater.Theotherkidsranhelp.OnlySimaGuangremainedthere.Hepickedupabigstoneandthrewitatthevat.Thevatwasbrokenandtheboywassaved.

Readthenewwordsaftertheteachertogether.Thenstudentsreadthemtogetheronce.

SayoutthenewwordsandphrasesaccordingtotheChinesemeanings.Onereadstwice.

StepIIIReading(20minutes)

T:I’mthirstynow,whatshouldIdo?

Ss:Youshoulddrinksomewater.

（Showabottleofwater.）

T:Waterisonekindofbeverage.Beveragemeansdrink.Readafterme.

T:Nextwearegoingtotalkaboutanotherbeverage,tea.Doyouknowhowteawasinvented?

Ss:...

T:PleaseopenyourbooksandturntoPage72.Readthearticlequicklyandfindoutwhoinventedtea.

（Studentsreadthearticleandanswer.）

T:Readsilentlyandcarefullyanddiscussthefollowingquestionsingroupsof4.

（Geteachgrouptoansweronequestion.）

T:Let’sreadthearticlealoudtogether.

T:Well,nextlet’sreadoneparagraphafteroneandanalyzethearticle.Pleaselookatthescreen.

ParagraphOne

Didyouknowthattea,themostpopulardrinkintheworld(afterwater)，...invented...?

T:Thefirstparagraphtellsuswhatwasinvented.It'sthethingofinvention.

ParagraphTwo

Althoughteawasn'tbroughttotheWesternworlduntil1610,thisbeveragewasdiscoveredoverthreethousandyearsbeforethat.AccordingtoanancientChineselegend,theemperorShenNongdiscoveredteawhenhewasboilingdrinkingwateroveranopenfire.

（Teacherexplainsthewordoverinthisparagraph.Letthestudentssumupthemainpointsaccordingtotheredwords.）

Ss:Ittellsusthetime,thepersonandtheplace.

T:Yes,ittellsuswhenitwasinvented,whoitwasinventedbyandwhereitwasinvented.

ParagraphThree

Someleavesfromanearbybushfellintothewaterandremainedthereforsometime.Theemperornoticedthattheleavesinthewaterproducedapleasantsmell.Laterhedecidedtotastethehotmixture.Itwasquitedelicious.

T:Thethirdparagraphtellsustheprocessoftheinvention.Ittellsushowteawasinvented.

ParagraphFour

Andinthisway,oneoftheworld’sfavoritedrinkswasinvented.

T:Thelastparagraphtellsushowimportantteais.Ittellsustheimportanceoftheinvention.

T:Nextpleasediscussonhowtowriteaboutaninventioningroupsoffourandfillintheformonthestudyplan.

（Leadthestudentstosumupthemainpointsandwriteontheblackboard.）

T:Ifthereistime,place,person,cause,processandresultinanarticle,wecallitanarrative.

（ExplainthesixelementsandnarrativeinChinese.）

T:Look,it’saflyingdisk.Readafterme,flyingdisk.Whocanplayit?It’sanimportantinventionbecauseitcanbringusalotoffun.Readthearticleandtrytofindoutthesixelementsofnarrative.Discussinpairs,fillinthechartusingthequestionlike:

―Whatwasinvented?―Flyingdisk.

Frompieplatetoflyingdisk

Theflyingdiskwasinventedbycollegestudents.TheoriginalflyingdiskwasreallyametalpieplatefromabakeryinBridgeport,Connecticut（布里奇波特，康涅狄格州）.Thestudentslikedtoeatthepieandthenthrewthepieplateseachother.Inthe1950s,acompanybeganmakingplasticdisk.Nowthereareflyingdiskclubs,aflyingdiskmagazine,andevenanationalflyingdiskfestivaleachSeptember.

（Getseveralpairstoactouttheirconversations.Showthecorrectchartontheblackboard.）

StepIVWritingtask(5minutes)

T:Wehavelearnttwoarticlesaboutinvention.Ithinkyouhaveknownhowtotalkorwriteaboutaninvention.Ifyouareamagazinereporter,youwanttointroduceaninvention.Youcanchooseeitherofthemtowriteabout.Writeitonyourpapers.

（Students:Writetheircompositionsonthepaper.Teachergoesaroundgivinghelpifnecessary.）

StepVComments（5minutes）

T:Doyouknowhowtocheckacomposition?Letmegiveyousomeadviceonit.