Unit 3 Computers教学设计.docx

Unit 3 Computers教学设计.docx

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Unit3Computers教学设计

Unit3Computers教学设计

Unit3puters

aringUp,Pre-readingandReading

Teahingais

1nledgeais

（1）Getthestudentstlearntheusefulandexpressinsinthispart

（2）Letstudentstlearnabuthistrandbasinledgefputers

1Abilitais

Develpstudents’readingabilitiesandletthelearndifferentreadingsills

3Etinai:

Arusestudents’greatinterestinlearningputersandletthelearntusetheputersintheirdaillives

Teahingdiffiultandiprtantpints

1Letthestudentslearnreabuthistrandbasinledgefputers

2Getthestudentstlearndifferentreadingsills

Teahingethds

1Tas-basedteahingandlearning

2perativelearning

3Disussin

Teahingpreduresandas

Step1aringup

Tas1:

Huhdunabutputers?

（aeasurve）

1hatdesITean?

Infratintehnlg

2Htspea科学技术inEnglish?

Sieneandtehnlg

3hatdesPean?

Persnalputer

4Htspea人工智能inEnglish?

Artifiialintelligene

hatdesPDAean?

Persnaldigitalassistant

6Htspea笔记本电脑inEnglish?

Ntebputer/laptp

7hatdesean?

rldideeb

8hatanputersbeusedtdinurdaillife?

……

Tas2:

hatisit?

Givesesentenestdesribedifferentindsfalulatingbetsandsepituresthelpthestudentstguesshatitis?

①Anldalulatingahineusedinhinauntiln

Anabaus

②Itisanealulatingahinehihanslvealargenuberf

atheatialprbles

Aalulatr

③ItisbuilttslveseatheatialprblesButitistbig

Ahugeputer

④Itisaputerhihanslveallindsfprblesandisusedideln

AP/destp

⑤Itisaindfputerhihanbetaennvenientl（方便）

Alaptp/ntebputer

Step2pre-reading

anuputtheseinventinsinanrderardingtthetiehentheappeared?

（）Analtialahine（分析机）

（）Laptp

（）alulatingahine（计算机器）

（）Rbt／andrid

（）P

（）Universalahine（通用机器）

Step3Reading

（1）Siing

Tas1Findutthetpisentenesfeahparagraph（P19Ex2）

Tas2Suarizethegeneralideafthispassage

（2）Sanning

Tas1TruerFalse

In1642Ibeganasaalulatingahineanduldslveanatheatialprble（F:

slveanalulatingprble）

realfatherasharlesBabbage,hrteabandbuildein1936（F:

AlanTurning）

AfterIgtnetransistrsinthe1960s,Ibeaesallerbutlevererandquier（T）

Iasbrughtintpeple’shesinthe1970s（T）

SinebirthIhavebeenbuiltttaetheplaefhuanrae（F:

buildtservehuanrae）

（3）areful-reading

Tas1:

LatthetielinebelFillintheblansithinfratinfrthereadingtext

Tie

Thedevelpentftheputers

1642

1822

TheAnaltialahineasadebharlesBabbage

1940s

Thefirstfailfputersasnnetedteahther

1970s

n

1642:

Theputerbeganasaalulatingahine

1822:

TheAnaltialahineasadebharlesBabbage

1936:

Theputergrerapidlbthinsizeandinbrainper

1940s:

Theputershadgrnaslargeasar

1960s:

Thefirstfailfputersasnnetedteahther

1970s:

putersereusedinffiesandhes

N:

putersnnetpepleallvertherldtgether

Step4nlusinfthetext

Hdidputersdevelp?

Aalulatingahine→_____________→_________________→_________________→________________→_____________→________________→________________→_anneappliatins