省級(jí)英語(yǔ)公開(kāi)課教案

Unit3Computers

Warming-up&IntensiveReading

Teachinggoals:

1.Tohaveabetterunderstandingofthemainideaofthepassage.

2.ToenablethestudentstotalkaboutcomputersandrobotsinEnglish.

3.Toenablethestudentstograsptheprogressofcomputers.

4.ToenablethestudentstotalkaboutcomputersandrobotsinEnglish.

Teachingimportantpoint:

Trytofinishtheexerciseofcomprehending.

Teachingdifficultpoint:

Enablethestudenttolearnhowtograspthestructureofthetext.

Teachingmethod:

1.Skimmingmethod.

2.Task-basedmethod.

3.Cooperativelearningmethod.

4.Group-discussingmethod.

Teachingaids:

Acomputerandaprojector.

Teachingprocedures:

Step1.Lead-in

Showpicturesonthescreenandgetthemtosayouttheanswerstoeach

picture.

AnoldcalculatingmachineusedinChinauntilnow.(anabacus)

1

Itisbuilttosolvesomeeasyandsimplemathematicalproblems.Butitisas

bigasaroom.(ahugecomputer)

Itisanewcalculatingmachinewhichcansolvealargenumberof

mathematicalproblems.(acalculater)

Itisapersonalcomputerwhichcansolveallkindsofproblemsandisused

widelynow.(personalcomputers)

Step2Pre-reading

T:HavethecomputerandInternetbecomepartofyourlife?

WhatcanyouusecomputesandInternettodo?

Ss:IusethecomputerorInternetto:typemyhomework/drawpictures/play

gamescommunicatewithfriends/gatherrelatedinformationforlessons/buy

thethingsIlike/listentomusic/watchmovie

Step3Skimming

Givestudentstwominutes,andaskthemtoanswerthefollowingquestions:

Question1)WhoamI?

Howdoyouthinkitisacomputer?

Question2)Whatisthemainideaofthepassage?

Thehistoryofcomputers.

Question3)Howisthepassageorganized?

Accordingtotime.

Step4DetailReading(comprehending)

Givestudentsfiveminutestoreadthepassagecarefullyagainanddothe

comprehendingquestions:

2

Timeline

1642:Thecomputerbeganasacalculatingmachine．

1822:TheAnalyticalmachinewasmadebyCharlesBabbage．

1936:Thecomputersgrowrapidlybothinsizeandbrainpower．

1940s:Thecomputershadgrownaslargeasaroom.．

1960s:Thefirstfamilyofcomputersconnectedtoeachother

1970s:Computerswerebroughtintopeople'shomes．

Now:Computersconnectpeopleallovertheworldtogether．

TrueorFalse

1.In1642Ibeganasacalculatingmachineandsolveanymathproblem.(F)

2.MyrealfatherwasCharlesBabbage,whowroteabookin1936.(F)

3.After1960s,Ibecamebiggerbutclevererandquicker.(F)

4.Iwasbroughtintopeople’shomesinthe(T1)970s.

5.SincemybirthIhavebeenbuilttotaketheplaceofhumanrace.(F)

Step5Disscusion

Question1):WhatcanwedobycomputersandInternet?

Question2):CanwedoanythingonthecomputersandthroughtheInternet?

Step6English-debating.

Topic:Whataretheadvantagesanddisadvantages.ofsurfingtheInternet?

Step7Summing-upandenjoying.

Askstudentstoexchangetheirownanswersingroups,andthenraise

3

questionsiftheyhaveany.

Step8Homework

(1).Gooverthetext,andtrytounderstandthetext.

(2).Retellthepassageusingyourownwords.

(3).GetreadyforthediscussiononP.19Comprehending3

4

Timeline

1642:Thecomputerbeganasacalculatingmachine．

1822:TheAnalyticalmachinewasmadebyCharlesBabbage．

1936:Thecomputersgrowrapidlybothinsizeandbrainpower．

1940s:Thecomputershadgrownaslargeasaroom.．

1960s:Thefirstfamilyofcomputersconnectedtoeachother

1970s:Computerswerebroughtintopeople'shomes．

Now:Computersconnectpeopleallovertheworldtogether．

TrueorFalse

1.In1642Ibeganasacalculatingmachineandsolveanymathproblem.(F)

2.MyrealfatherwasCharlesBabbage,whowroteabookin1936.(F)

3.After1960s,Ibecamebiggerbutclevererandquicker.(F)

4.Iwasbroughtintopeople’shomesinthe(T1)970s.

5.SincemybirthIhavebeenbuilttotaketheplaceofhumanrace.(F)

Step5Disscusion

Question1):WhatcanwedobycomputersandInternet?

Question2):CanwedoanythingonthecomputersandthroughtheInternet?

Step6English-debating.

Topic:Whataretheadvantagesanddisadvantages.ofsurfingtheInternet?

Step7Summing-upandenjoying.

Askstudentstoexchangetheirownanswersingroups,