2023學(xué)年完整公開(kāi)課版九上Unit4Topic3SectionC課件

Unit4AmazingScience

Topic3Chinaisthethirdnationthatsentapersonintospace.

SectionC羅源三中陳峰WordscompetitionWatchavideo

aboutseriesofspaceship.Pre-reading1.Tickthefieldsweusethecomputerin.

educationbusiness

industry

communication

dailylifemedicalcare

entertainmentsports2.Canyougiveanexampleoftheuseofcomputersinoneofthesefields?Pre-reading1aWhile-readingfast-reading

Read1aandfindoutthetopicsentenceofthepassage.

(Whenyouwanttoknowthetopicsentenceofthepassage,youmustpayattentiontothefirst

paragraph

andthelast

paragragh.)

SincecomputerswereinventedintheUSAinthe1950s,theyhavebecomeveryimportantinmanyareasofworkandleisure.While-readingfast-reading

Read1aandfindoutthetopicsentenceofeachparagraph.

(Whenyouwanttoknowthetopicsentenceofeachparagraph,youmustpayattentiontothefirst

sentence

andthelast

sentence.)Paragraph1:Paragraph2:Paragraph3:

Thereisnodoubtthatcomputersareveryusefulintechnologyandbusiness.SincetheInternetcameintobeing,people’slivesathomehavebeenchanged,too.

Computershaveimprovedourlives,buttheyhavebroughtproblems,too.

computersusagework____________________________________ofaspaceship.helpdoctors__________________________._________________________infactories.helpbusinessmen_____________________.Helpastronautscontrolthespeedanddirection

finddiseaseseasilyandsolveotherproblems.helprobotsdodangerousworkplaceandcancelorders

While-reading

Careful-readingTask1Whatcancomputersdoforusindifferentfields?

1.Readtheparagraph1andanswerthefollowingquestion.

2.Findoutsomedifficultsentences,accordingtoParagraph1.（1）.Thereisnodoubtthatcomputersareveryusefulintechnologyandbusiness.(3).Inbusiness,computersareusedtoplaceandcancelorders.While-readingCareful-readingTask1

Thereisnodoubtthatcomputersplayanimportantpartinourdailylife.毫無(wú)疑問(wèn)，電腦在我們的日常生活中扮演著重要的角色。我媽媽昨晚讓我一直做作業(yè)。Mymotherkeptmedoingmyhomeworklastnight.(2).tinycomputerswhichareinsidepatients’bodiescankeeptheirheartsbeatingnormally.(4).Infactories,robotsarecontrolledbycomputersthatarelikehumanbrains.(5).Theycandoworkthatisdangeroustohumans.毫無(wú)疑問(wèn)Keepsb/sthdoingsth…讓某人一直做某事下訂單和取消訂單computersusagework____________________________________ofaspaceship.helpdoctors__________________________._________________________infactories.helpbusinessmen_____________________.Helpastronautscontrolthespeedanddirection

finddiseaseseasilyandsolveotherproblems.helprobotsdodangerousworkplaceandcancelorders

While-reading

Careful-reading★

Expressionslike“First,second,third，fourth…”“helpsbdosth”canhelpyouwhenyouretellit.Task1(1).Retellparagraph1,accordingtothediagram.

Computersareveryuesfulatwork.……computersusageWhile-reading

Careful-readingdailylifeplaygamesand______________________.____________and____________athome._______________bysendinge-mailsand_______________________________.watchmovies

doshopping

dobusinesscommunicate

chattingonline

Task2Whatcancomputersdoforusinourdailylife?(2).Readtheparagraph2andanswerthefollowingquestion.

2.Findoutsomedifficultsentences,accordingtoParagraph2.

(1)Moreandmorepeoplehavepersonalcomputersthatareusedtoplaygamesandwatchmovies.While-reading

Careful-readingTask2(2).Insteadofwritinglettersonpaper,Peoplecommunicatebysendinge-mailsandchattingonline.computersusageWhile-reading

Careful-readingdailylifeplaygamesand______________________.____________and____________athome._______________bysendinge-mailsand_______________________________.watchmovies

doshopping

dobusinesscommunicate

chattingonline

3.Retellparagraph2,accordingtothediagram.★

Expressionslike“Forexample”“usesthtodosth”,“Withthehelpof”,“Thanksto…”canhelpyouWhenyouretellit.Task2Computersareveryusefulinourdailylife.……computersWhile-reading

Careful-readingproblemgetheadachesor____________________.won’thaveenoughtime_______________.somethingontheInternetisnot________________.soreeyestostudyorexercise

trueorgoodforus.Task3Whatproblemshavecomputersbrought?

1.Readtheparagraph3andanswerthefollowingquestion.

2.Findoutsomedifficultsentences,accordingtoparagraph3.1.Forinstance,Ifweworkoncomputerstoolong,wemaygetheadacheorsoreeyes.★besides和except的區(qū)別While-reading

Careful-readingTask3Forinstance=forexample2.Besides,noteverything(that)wereadontheInternetistrueorgoodforus.except:除……之外（沒(méi)有）besides:除……之外（還有）除了康康之外，我們都通過(guò)了考試。IhavelearnedothersubjectsbesidesEnglish.除了英語(yǔ)之外，我還學(xué)了其他的科目。WeallpassedtheexamexceptKangkang

.computersWhile-reading

Careful-reading3.Retelltheparagraph3,accordingtothediagram.problemgetheadachesor____________________.won’thaveenoughtime_______________.somethingontheInternetisnot_______________________.soreeyestostudyorexercise

trueorgoodforus★

Expressionslike“forinstance,what’smore,besides”arehelpfulWhenyouretellit.Task3If,work,toolongIf,play,toomuchComputershavebroughtsomeproblems.……Post-reading

What’sthewriter’spurpose(意圖)ofwritingthispassage?

A:totelluscomputershavesomedisadvantages.

B:totelluscomputershavemanyadvantages.

C:totelluscomputersareuseful,buttheymustbeusedproperly

.

But_______havesomedisadvantages.Forexample,Wecanuse____todosth_____canhelpusdosthThanksto_______，wecan…Withthehelpof_______,wecan…______havemanyadvantages.Inshort,_____areveryhelpful,wemustusethemcorrectly.HowtowriteacompositionaboutcomputersForinstance,What’smore,Besides,Body:

Beginning:Conclusion:Thereisnodoubtthat______playanimportantpartinourdailylife./Asweknow,_________areveryusefulinourdailylife./_______havechangedourlives./_________haveimprovedourlives,buttheybroughtsomeproblems.Inaword,_____areveryhelpful,theymustbeusedproperly.提示作文現(xiàn)在越來(lái)越多的中學(xué)生擁有了自己的手機(jī)。某英語(yǔ)報(bào)社對(duì)學(xué)生使用手機(jī)（cellphones）的利弊做了調(diào)查，結(jié)果利與弊如下：

利1.與父母、朋友聯(lián)系快速；2.在線聊天、發(fā)短信（message）；3.聽(tīng)音樂(lè)，玩游戲，拍照；弊1.花費(fèi)太多時(shí)間玩游戲；2.沒(méi)有認(rèn)真聽(tīng)講，學(xué)習(xí)差；3.使用手機(jī)太久，對(duì)健康有害；建議1.在校不許使用手機(jī)2.應(yīng)該好好學(xué)習(xí)要求（1）包含所提示內(nèi)容，語(yǔ)言流暢，內(nèi)容可適當(dāng)補(bǔ)充。（2）字?jǐn)?shù)90詞以上。首句已給出。__________________________________________________________—————————————————————————————Youcanwritelikethis:

Asweknow,cellphonesareverypopular.Theyplayanimportantpartinourdailylife.Theyhavemanyadvantages.Forexample,cellphonescanhelpuskeepi