九年级英语上学期unit 4教案.docx

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九年级英语上学期unit4教案

九年级英语上学期Unit4教案

Topic3

SectionA

Themainactivitiesare1aand2a.本课重点活动是1a和2a。

Ⅰ.Teachingaimsanddemands教学目标

1.Masterthenewword:

research

2.Helpthestudentstolearntheusageofmodalverb+passivevoice.

3.TalkaboutflyingtoMarsandtheouterspaceandsomethingaboutthealiens.

4.Helpstudentstolearnexpressingpossibilityandimpossibility.

Ⅱ.Teachingaids教具

录音机/一个破损的MP3(或别的其他东西。

Ⅲ.Five-fingerTeachingPlan五指教学方案

Step1Review第一步复习(时间:

10分钟)

(复习一般过去时的被动语态。

T:

Goodmorning,boysandgirls!

(突然面色由晴转阴。

WhathappenedtomyMP3?

(可替换为其他的物品。

Itwasbroken.(把破损的一面给大家看,面露心痛之色。

WhowasmyMP3brokenby?

(转向全体同学。

Wasitbrokenbyyou,S1?

(对前排的一个同学提问。

(全班笑,然后开始猜测,教师引导学生用英语表述。

S2:

Wasitbrokenby…yourself,Miss/Mr.…?

T:

No,butitisagoodtry.

S3:

Wasitbrokenbyyourdaughter?

S4:

Wasitbrokenby…?

T:

Exactly.Itwasbrokenbymydog.

(板书)

was/were+P.P.

(教师板书划线部分,复习一般过去时被动语态结构。

(教师事先在教室里观察,并利用一些破损的部件问学生一些问题。

T:

Wasthedeskbrokenbyyou,S5?

S5:

No,itwasn’t.

T:

Whenwasitbroken?

Wasitbrokenyesterday?

S5:

No,itwasn’t.

T:

Whowasitbrokenby?

S6:

Sorry,Idon’tknow.

T:

OK,nooneknowswhoitwasbrokenby.

(指出其他破损的物品,如学生作业本、铅笔盒、钢笔等,要求学生仿照上面对话问答。

S7:

Aretheseyourbooks?

S8:

Yes,theyare.

S7:

Whenweretheybroken?

S8:

Theywerebrokenyesterday.

S7:

Whoweretheybrokenby?

S8:

Theywerebrokenby….

S7:

Oh,pity.

S8:

Yeah.ButIhavethemrepairedalready.

T:

OK.Goodjob.Boysandgirls.Englishisspokenverywellbyyou.I’mproudofyou.

(因为场景明确,句型单一,大多学生能仿照句子,反应慢的学生靠单纯模仿来感悟,所以要及时鼓励,肯定他的进步,再推动他们进一步反思归纳语言结构。

(板书划线部分,引导学生记忆、比较、归纳。

(板书)

am/is/are+P.P.

(为新课做铺垫。

T:

Computersareusedwidelyineveryfield.PeoplesearchforinformationontheInternet.Scientistsresearchonittoo.

(板书)

research

(用彩笔强调一下构词。

重读句子,对比句子,让学生自己体会和猜测词意。

T:

Scientistsdoexperimenttoresearch.Soscientificresearchshouldbedonecarefully.

(板书)

scientific

scientists

(用彩笔强调一下构词,解释词性和词义变化的通常规律,领读生词。

Step2Presentation第二步呈现(时间:

10分钟)

1.(呈现重点词,为降低难度,先玩一个编故事的游戏。

T:

Boysandgirls.Let’shaveagame.I’llgiveyoufourwordsontheblackboard.Youworkingroups.Eachgroupmakesasentencewithoneofthewords.Let’sseeifwecanformastorywithfivesentences.

(板书)

alien,planet,spaceship,humans’culture

(调动学生的思维也为中下层面的学生提供一个记忆单词的机会,成绩较好的学生也有机会充分发挥。

2.(呈现对话,让学生带着问题听录音。

T:

Boysandgirls.We’lllistentothedialogandanswerthequestions:

(板书)

(1)WhataretheygoingtodothisSaturdayevening?

(2)Isitamovieaboutalien?

(3)WhatcanpeopledoonMarsinthatmovie?

T:

Boysandgirls,canyouanswerthequestionsnow?

(学生回答完问题,再次阅读1a,并注意关键信息。

(教师与学生核对答案,及时给予学生帮助并处理文中重难点。

(板书)

Wewillbeabletodoanythingthatcanbedoneontheearth.(定语从句)

T:

Payattentiontothesentencepatternandthewordsorder.

3.(情态动词的被动语态。

T:

Lookattheblackboard,here,thissentence.Thispartismodalverbpassivevoice.Whatcanyoufind?

Howcanwewritemodalverbpassivevoice?

Comparewithpresentpassiveandpastsimplepassive.

(让学生在对比中感悟语法规则,然后教师再指正归纳。

(板书)

modalverb+be+P.P.

T:

Boysandgirls,lookatyourbooks1b.Findmodalverbpassivevoicesentence.

(指导学生独立完成1b,核对答案。

T:

Nowlet’sreadthedialog1aaloudtogether.

Ss:

Yes.

T:

Let’sgothroughthedialogagain.Thistimeyoushouldfindoutthekeywordswithme.

wonderfulmovie,lifeinspace,exciting

planetslikeMars,inspace,whatfun

Step3Consolidation第三步巩固(时间:

8分钟)

1.(让学生用以上列出的关键词复述对话并表演。

T:

Boysandgirls,canyouactoutthedialog?

Ss:

Yes.Let’stry.

T:

Goodjob.

2.(学生独立完成2c。

T:

Herearesomewords.Canyoumakesentenceswithmodalpassivevoice?

(板书)

do,see,send,clone,visit

Forexample:

Humansmaybeclonedbyscientistssomeday.

T:

S1,canyoumakeasentencewithanywordsinthebox?

S1:

Sure.Shipscanbeseeninthesea.

S2:

Spaceshipscanbesentintospace.

S3:

Marscanbevisitedoneday.

(教师提醒学生注意过去分词的变化。

T:

Boysandgirls,lookat2c.Matchthetwocolumnstomakesentences.Canyoufinishitbyyourselves?

Ss:

Yes,wecan.

T:

OK,oneminute.

(核对答案,指出学生错误,表扬做得好的。

Checktheanswerswiththestudents.

Step4Practice第四步练习(时间:

10分钟)

1.(学习2a对话。

T:

Listentothetapeandanswerthequestions.

(板书)

(1)Howmanypeoplearethereinthedialog?

(2)Whataretheytalkingabout?

(3)WhatdoestheAmericanscientistthinkaboutaliens?

T:

Cananybodyanswerthemnow?

Ss:

Yes.

T:

S1,please!

S1:

(核对答案)

(板书)

HethinkstheyarereadingontheInternetinordertolearnabouthumans’culture.

(领读生词,解释词形变化。

T:

Boysandgirls,readafterme.

T:

Canyoumakesentenceswith“inorderto”?

Ss:

Yes.

T:

S2,please!

S2:

Westudyhardinordertoworkforourcountry.

T:

Good!

Anyoneelse?

S3,please!

S3:

OK,alienssurftheNetinordertolearnabouthumans’culture.

S4:

(解释对话中的难点。

(板书)

Idon’tthinkalienscanbefoundinspace.

(当think,believe,suppose,imagine,expect等动词后接的宾语从句为含有not的否定句时,该否定应移至主句,即否定主句的谓语主语。

如果主句的主语是第二、三人称,否定式一般不转移。

(学生跟读。

T:

Pleasereadafterthetape.

(分组练习。

T:

Practiceinpairs,please.

(请若干组学生到前面示范表演。

T:

Let’swelcomePairAandB.

(给予及时评价,鼓励。

(完成2b。

T:

Askandanswerthefollowingquestionsaccordingto2ainpairs.

Studentsdiscussandchecktheanswers.

(与学生核对答案,学生互评。

T:

Nowtherearetwoplacesforyoutovisit.Oneisthemoon,theotherisSaturn(/stn/)(土星).Whichdoyouwanttochoose?

Why?

Whatkindoftransportationdoyouwant?

Pleasediscussingroupsoffourandthengivetheanswersandreasons.

G1:

WearegoingtoSaturn,becausethemoonhasbeenalreadyvisitedbyman.Wewanttoexploreanew

planet.

G2:

Wearegoingtothemoon,becauseitlookssobeautiful.

G3:

(表扬学生的丰富想像和积极思考。

Step5Project第五步综合探究活动(时间:

7分钟)

1.(听歌闯关。

T:

Boysandgirls.Doyoulikesongs?

I’llplayasong.GirlSingingintheWreckage(《废墟中歌唱的姑娘》).

T:

Doyoulikeit?

Ss:

Yes,wedo.

T:

Butwearegoingtowritedownthelyrics.Ifyoucanwrite,youshouldsay,“Thissentencecanbewritten.”OK?

Ss:

OK.

(老师放一句歌,就问学生。

T:

Cantheselyricsbewritten?

Ss:

Yes,theycanbe.

(再放另一句并问学生。

T:

Cantheselyricsbewritten?

Ss:

Sorry,theycan’tbewritten.Theyaretoolong.

T:

OK,listenagain.Cantheybewrittennow?

Ss:

Yes,theycanbeheardclearlynowandtheycanbewrittennow.

(教师选择一些容易听清,曲调较慢或中速的歌曲,方便学生记忆和书写。

2.(写出下列动词的变化形式:

Forexample:

see-sees-saw-seen-seeing

watch-watches-watched-watched-watching

doshowflyfindsend

visitlivetalkdescribeclone

SectionB

Themainactivitiesare1a,2and3a.本课活动重点是1a,2和3a。

Ⅰ.Teachingaimsanddemands教学目标

1.Mastersomenewwords:

basic,water,proper,risk

2.Consolidatetheusageofmodalverb+P.P.:

(1)Thepetpigshouldbetakentothehospital.

(2)Thegirlwillbewellcaredfor.

(3)Thesetreesshouldbewateredsoon.

3.TalkaboutflyingtoMarsandtheouterspace.

Ⅱ.Teachingaids教具

录音机/磁带

Ⅲ.Five-fingerTeachingPlan五指教学方案

Step1Review第一步复习(时间:

10分钟)

(检查家庭作业,提问关于太空和人类对太空的研究的一些问题。

复习,加深对情态动词被动语态的结构、变化及用法巩固,导入一部分新单词。

T:

WhatmoviedidMichaelandJaneseeyesterday?

Ss:

Theysawamovieaboutthelifeinspace.

T:

DoesMichaelbelievetherearealiens?

Ss:

No,hedoesn’tbelieveit.

T:

Andyou?

Doyoubelievetherearealiens?

Ss:

No,Idon’tbelieveit.Becausetheycannotbeseen.

(很有可能出现不同意见,那样更有利于下一步的复习提问。

T:

Doyoubelievetherearealiens?

Ss:

Yes,Ido.

T:

Cantheybeseenbypeople?

Ss:

...

T:

Somorescientificresearchshouldbedonecarefully.Whatcanbedonetofindoutiftherearealiensinthespace?

S1:

Satellitesandspaceshipsshouldbesentup.

S2:

Otherplanetsmaybevisited.

S3:

...

T:

Goodidea.Ifpeopledomorescientificresearch,Ibelievemoreandmoreunknownthingswillbediscoveredinthefuture.

Nowwe’reatschooltolearnthebasicknowledge.Workhard,andthenwecandiscovertheworldinthefuture.

(板书新单词。

basic—thesimplestkindoratthesimplestlevel

T:

WereyouexcitedaboutthenewsofShenzhouVI?

Ss:

Yes,ofcourse.

T:

Whatdidtheydoduringtheflight?

S4:

Theytookphotos.

S5:

TheyrecordedtheiractivitieswithaDV.

S6:

...

T:

Doyouwanttoflyinthespaceshiponeday?

Ss:

Yeah.

T:

Now,manhasaplantoflytotheMars.TheastronautsfromChina,theUnitedStatesandRussiawillfinishthetasktogether.Wouldyouliketobeanastronautwhenyougrowup?

Soyouneedtolearnalotofknowledgeandmastersomebasicskills.Whatareyougoingtobeinthefuture?

S7:

Iwanttobeanastronaut.

S8:

Iwanttobeascientist.

S9:

...

T:

Verygood.I’mgladtohearthatyouallwanttohaveagoodfuture.Ihopeyourdreamwillcometrue.Now,let’sseewhatMariaandKangkangwanttobewhentheygrowup.

Step2Presentation第二步呈现(时间:

10分钟)

(播放录音,让学生听一遍1a的对话。

T:

Listencarefullyandfindout:

1.WhatisKangkanggoingtobewhenhegrowsup?

2.What’sMariagoingtodo?

(第一个问题较简单,全班一齐回答,不存在问题;但第二个问题需要确认:

Mariawantstobeascientist.)

T:

Readtheconversationagainandfindouttheanswerstothequestionsin1b.ThenI’dlikeyoutoaskandanswerinpairs.

(给学生三分钟时间准备。

S1:

HasMariaheardthenewsaboutthespaceflighttoMars?

S2:

No,shehasn’t.

S3:

Whowilltakepartinit?

S4:

TheastronautsfromChina,theUnitedStatesandRussia.

S5:

Whywilltheastronautstraveltospace?

S6:

TheywanttodiscoversomethingnewaboutMars.

S7:

WhatisKangkanggoingtobewhenhegrowsup?

S8:

Hewantstobeanastronaut.

S9:

WhichsubjectdoesMariaprefer?

S10:

Shepreferssciencetodancing.

T:

SowhatisMaria’sdream?

Ss:

Shewantstobeascientistinthefuture.

(学生回答问题的时候,老师记录下对话中的关键词并板书。

news,flight,takepartin,astronauts,admire

travel,discover,grow,cool,basic,dance

scientist,perform,stage,prefer,favoritebelieve

Step3Consoli

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