2023学年完整公开课版九上Unit4Topic3SectionC课件

Unit4AmazingScience

Topic3Chinaisthethirdnationthatsentapersonintospace.

SectionC罗源三中陈峰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.毫无疑问，电脑在我们的日常生活中扮演着重要的角色。我妈妈昨晚让我一直做作业。Mymotherkeptmedoingmyhomeworklastnight.(2).tinycomputerswhichareinsidepatients’bodiescankeeptheirheartsbeatingnormally.(4).Infactories,robotsarecontrolledbycomputersthatarelikehumanbrains.(5).Theycandoworkthatisdangeroustohumans.毫无疑问Keepsb/sthdoingsth…让某人一直做某事下订单和取消订单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的区别While-reading

Careful-readingTask3Forinstance=forexample2.Besides,noteverything(that)wereadontheInternetistrueorgoodforus.except:除……之外（没有）besides:除……之外（还有）除了康康之外，我们都通过了考试。IhavelearnedothersubjectsbesidesEnglish.除了英语之外，我还学了其他的科目。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(意图)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.提示作文现在越来越多的中学生拥有了自己的手机。某英语报社对学生使用手机（cellphones）的利弊做了调查，结果利与弊如下：

利1.与父母、朋友联系快速；2.在线聊天、发短信（message）；3.听音乐，玩游戏，拍照；弊1.花费太多时间玩游戏；2.没有认真听讲，学习差；3.使用手机太久，对健康有害；建议1.在校不许使用手机2.应该好好学习要求（1）包含所提示内容，语言流畅，内容可适当补充。（2）字数90词以上。首句已给出。__________________________________________________________—————————————————————————————Youcanwritelikethis:

Asweknow,cellphonesareverypopular.Theyplayanimportantpartinourdailylife.Theyhavemanyadvantages.Forexample,cellphonescanhelpuskeepi