Unit10课时3ThinksingSkillsReadingStrategies（课件）【趣味课堂】英语新教材仁爱科普版八年级下册

ExploringLesson3ThinkingSkills&ReadingStrategiesUnit10WorldintheCloud目录contentLeadin01Post-reading04Pre-reading02Languagepoints05While-reading03Exercise&Homework06LessonObjectives:Inthislesson,wewillbeableto:1.Masterthenewwords(disadvantage,virus,weigh,ton,powerful,desktop,lap,smartphone,tablet)andusethemtotalkabouttechnology.2.Usethereadingskillsof"classifyingdetails"and"drawingconclusions"toanalyzetextsaboutmobilephones,theinternetandcomputers.3.Thinkcriticallyabouttheadvantagesanddisadvantagesoftechnology,anddrawconclusionsaboutitsdevelopmenttrend.LeadinGuessing:Inourlife,there’sonekindoftoolwiththeinternet.Wecanalsouseittocallothers,searchforinformation,anddosomepayment.Whatisit?MobilephonesLeadinLookandsayLookatthefirsttwopictures:whatgoodthingscanwedowithmobilephones?Wecanusemobilephonestotalktopeoplefaraway.

Wecanusemobilephonestomakepayment.

advantages

n.优势,好处LeadinLookandsayLookatthelasttwopictures:whatbadthingshappenifweusephonestoomuch?Ifweusemobilephonestoomuch,wemayhaveeyeproblems.Ifweusemobilephonestoomuch,wemay

notgetenoughsleep.disadvantages

n.缺点,不利因素/,dɪsəd'vɑ:ntɪdʒ/ThinkingSkillsClassifyingdetailsClassifyingdetailsistoputdetailsintodifferentgroups.分类，就是将细节归入不同的类别。Activity1Lookatthepicturesandfilloutthedetail-classificationchart.MobilePhonesAdvantagesWecanusemobilephonestotalktopeoplefaraway.Make__________.DisadvantagesIfweusemobilephonestoomuch,wemayhaveeyeproblems.notgetenough________.paymentsleephaveeyeproblems患眼部疾病Activity1Thinkaboutmoreadvantagesanddisadvantagesofmobilephones.MobilePhonesAdvantagesWecanusemobilephonestotalktopeoplefaraway.Makepayment..........DisadvantagesIfweusemobilephonestoomuch,wemayhaveeyeproblems.notgetenoughsleep..........searchforinformationquickly.listentomusicorwatchmoviesforfun.learnnewthingsbyusingapps.feeltiredandlosefocusinclass.spendlesstimewithfamilyandfriends.havelesstimeforoutdooractivitiesorexercise.Activity2Readthetextandcompletethefollowingchart.Theinternethasbothadvantagesanddisadvantages.Ontheonehand,itisusefulandcanmakeourlifeeasier;it'salsoagoodtooltohelpusrelaxandenjoyourlife.Ontheotherhand,noteveryoneontheinternetisfriendly,andthecomputervirusisalwaysabigproblem.TheInternetAdvantagesTheinternetisusefulandcanmakesourlife_______.Itisalsoagoodtooltohelpus_________andenjoylife.DisadvantagesNoteveryoneontheinternetis__________.Computer__________isalwaysabigproblem.easierrelaxfriendlyvirusTopicsentence主题句ontheonehand一方面ontheotherhand另一方面Activity2ReadagainandmarkT(true)orF(false).Theinternethasbothadvantagesanddisadvantages.Ontheonehand,itisusefulandcanmakeourlifeeasier;it'salsoagoodtooltohelpusrelaxandenjoyourlife.Ontheotherhand,noteveryoneontheinternetisfriendly,andthecomputervirusisalwaysabigproblem.1.Theinternetisonlygoodforwork.()2.Theinternetcanhelpusrelaxandenjoyourlife.()3.Everyoneontheinternetisfriendly.()4.Computervirusesareneveraproblemwhenusingtheinternet.()FTFFActivity3Pairwork.Talkabouttheadvantagesanddisadvantagesofusingtheinternetandhowitischangingourlife.UsingtheinternetAdvantages......Disadvantages......HowitischangingourlifeActivity3Pairwork.Hey!Whatdoyouthinkaretheadvantagesoftheinternet?Well,first,ithelpsusstudyeasily.Wecanlookupinformationforhomeworkanytime.Second,it'sgreatfortalkingtofriends—wecanchatwiththemeveniftheylivefaraway.That'strue!Whataboutthedisadvantages?Hmm,somepeoplespendtoomuchtimeonlineandforgettodootherthings,likeexercise.Also,therearesomeunsafewebsitesthatarebadforus.Activity3Pairwork.Right!Andhowistheinternetchangingourlife?Oh,itmakeseverythingfaster!Wecanshoponline,takeclassesathome,andevenworkfromanywhere.It'sreallyconvenient.Iagree!Itchangesourlifealot,bothingoodandbadways.ReadingstrategiesDrawingconclusionsReadingStrategiesDrawingconclusionsWhenyouread,youcanaddupdetailsandmakeadecision.Thisdecisionisaconclusion.当你阅读时，你可以整合细节并做出判断。这个判断就是结论。LeadinGuessing:Howbigwasthefirstcomputer?Howheavywasit?Couldyouputitonyourdesk?Onyourlap?Inyourpocket?Howbig:170m²

→likeabasketballcourt(篮球场)Howheavy:50tons

→like10carsConclusion:Earlycomputerswere

very______and________.bigheavyActivity1Readthetextandcompletethechart,andthenlearnhowtodrawaconclusion.Thefirstelectroniccomputercameintobeingin1964inAmerica.Itcoveredanareaofnearly170squaremetersandweighedalmost50tons.Withthedevelopmentofcomputertechnology,computersbecamenotonlysmallerandlighter,butalsomorepowerful.Coveredanareaofnearly_________________DetailEarlycomputerswerevery__________and_________.ConclusionWeighedalmost________________Detail170squaremeters50tonsbig/largeheavyActivity1Learnhowtodrawaconclusion.Thefirstelectroniccomputercameintobeingin1964inAmerica.Itcoveredanareaofnearly170squaremetersandweighedalmost50tons.Withthedevelopmentofcomputertechnology,computersbecamenotonlysmallerandlighter,butalsomorepowerful.Coveredanareaofnearly_________________DetailEarlycomputerswerevery__________and_________.ConclusionWeighedalmost________________Detailcomeintobeing形成；产生withthedevelopmentof...随着......的发展Howtodrawconclusions:collectdetails→findcommonfeatures→makeasummarysentenceActivity2Readthetextanddrawaconclusionchart.Inthe1980s,thefirstpersonalcomputer(PC)appeared.Itwasmuchsmallerandlighterthanthefirstelectroniccomputer.Peoplecouldputitonthetopofthedesk,sotheycalleditdesktopPC.Soon,thefirstlaptopPCcameintobeing.Peoplecouldplaceitontheirlapsandcarryitinasmallbag.Today,wehaveevensmaller,lighterandthinnercomputers,suchassmartphonesandtablets.ThefirstdesktopPC:_________________thanthefirstelectroniccomputers.DetailFuturecomputerwillbecomeeven_________________________.ConclusionThefirstlaptopPC:________and________thandesktops.DetailSmartphonesandtablets:________________________________thanlaptops.Detailsmallerandlightersmallerlightersmaller,lighterandthinnersmaller,lighterandthinnerActivity2Learnthekeywordsandphrases.Inthe1980s,thefirstpersonalcomputer(PC)appeared.Itwasmuchsmallerandlighterthanthefirstelectroniccomputer.Peoplecouldputitonthetopofthedesk,sotheycalleditdesktopPC.Soon,thefirstlaptopPCcameintobeing.Peoplecouldplaceitontheirlapsandcarryitinasmallbag.Today,wehaveevensmaller,lighterandthinnercomputers,suchassmartphonesandtablets.ThefirstdesktopPC:_________________thanthefirstelectroniccomputers.DetailFuturecomputerwillbecomeeven_________________________.ConclusionThefirstlaptopPC:________and________thandesktops.DetailSmartphonesandtablets:________________________________thanlaptops.Detailinthe1980s在20世纪80年代appear/ə'pɪə(r)/v.出现,显得disappear/'dɪsə'pɪə(r)/v.消失much/even+比较级表示比较的程度place...on...把.....放在.....上Activity3Pairwork.Talkaboutchangesinthedevelopmentofcomputersandmakeaconclusion.ThefirstelectroniccomputersDetailThefirstdesktopPCDetailThefirstlaptopPCFuturecomputersConclusionSmartphonesandtabletsDetailDetailActivity3Pairwork.Talkaboutchangesinthedevelopmentofcomputersandmakeaconclusion.Details:

Computershavechangedalotovertime.Inthe1940s,thefirstcomputerswerehugeandfilledwholerooms.Theywereveryslowandcouldonlydosimplemath.Inthe1960s,computersbecamesmallerandfaster.Peoplestartedusingtheminofficesandschools.Bythe1980s,personalcomputers(PCs)appeared.Theyfitondesksandfamiliescouldusethemathome.Now,computersareeverywhere.Wehavelaptops,tablets,andevensmartphones.Theyarefast,powerful,andcandomanythingslikeplayinggames,watchingvideos,andhelpingwithhomework.Conclusion:Computersstartedasbig,slowmachinesbutnowaresmallandsmart.Theymakeourliveseasierandmorefun.Post-readingRetellthechangesintheformofcomputersintimeorderbasedonthetextandpictures.First,theelectronic__________wasverybigandheavy.Theninthe1980s,the________PCappeared,whichwassmaller.Nextcamethe________,whichwecancarryeasily.Nowwehave________

and_____________

thataresupersmallandlight.computerdesktoplaptoptabletssmartphonesKeyphrases1.患眼部疾病____________________2.形成；产生

____________________3.随着.....的发展_________________________4.在20世纪80年代

__________________5.把....放在....上____________________6.另一方面_____________________haveeyeproblemscomeintobeingwiththedevelopmentofinthe1980splace...on...ontheotherhandLanguagepointsActivity11.Thefirstelectroniccomputercameintobeingin1946inAmerica.

第一台电子计算机于1946年在美国诞生。

comeintobeing“形成；产生”e.g.—Theearthcameintobeingbillionsofyearsago.

地球形成于几十亿年前。—That'scorrect.没错。【即时练习】TheInternet______inthelate20thcenturyandhaschangedtheworldgreatly.A.cameintobeingB.cameoutC.camefromD.camebackALanguagepointsActivity12.Itcoveredanareaofnearly170squaremetersandweighedalmost50tons.它占地面积近170平方米，重量约50吨。

weigh

v.“有……重；重达”e.g.—Howmuchdoessheweigh?她体重是多少?

(=What'sherweight?/Howheavyisshe?)—Sheweighs50kilograms.她重50千克。链接：weightn.“重量；分量”。常用短语：puton/gainweight增肥

loseweight减肥e.g.—What'syourweight?你体重是多少?—Myweightis50kilograms.我的体重是50千克。Shewantstoloseweightbyeatinglessanddoingmoreexercise.

她想靠少吃、多运动来减肥。【即时练习】—________doesthegirloverthereweigh?—Her________is50kg.A.Howheavy;weighB.Howmany;weightC.Howmuch;weightD.Howmuch;weighCLanguagepointsActivity13.Withthedevelopmentofcomputertechnology,computersbecamenotonlysmallerandlighter,butalsomorepowerful.

随着计算机技术

的发展，计算机不仅变得更小更轻，功能也更强大。1)withthedevelopmentof...

意为“随着……的发展”。e.g.Withthedevelopmentofscienceandtechnology,ourlifebecomesmoreandmoreconvenient.随着科技的发展，我们的生活越来越方便。

2)powerful

adj.“强有力的；力量大的”→

power

n.“权利;能量;电力”

→

powerv.“驱动，推动”→

powered

adj.“电动的”

→

powerfully

adv.“有力地；有影响力地”。e.g.Chinaisapowerfulnation.中国是一个强大的国家。拓展：①powerful还可意为“有权势的;有影响力的;(人或动物)强壮的”。e.g.Heisarichandpowerfulman.他是一个有钱有势的人。

【即时练习】

SunWukongisa_____________(power)herowithgreatmagicpower.powerfulLanguagepointsActivity24.Inthe1980s,thefirstpersonalcomputer(PC)appeared.

在20世纪80年代，第一台个人电脑(PC)出现了。

inthe1980s“在20世纪80年代”。

“inthe+整数年份+s”,意为“……世纪……年代”。e.g.Hisfatherwasborninthe1970s.他爸爸出生于20世纪70年代。拓展：“世纪/年代”的表述方式：

the+序数词+century

第……世纪

the+early/mid/late+序数词+century……世纪早/中/晚期注意：世纪数比年份的前两位数字大1。

19世纪(1800—1899)the19thcentury

21世纪(2000—2099)the21stcentury【即时练习】GreatchangestookplaceinChina______.A.inthe1980sB.inthe1980C.in1980sD.onthe1980ALanguagepointsActivity25.Peoplecouldplaceitontheirlapsandcarryitinasmallbag.

人们可以把它放在大腿上，也能装在一个小包里随身携带。

placev.“(尤指小心或有意)放置，安放”e.g.Heplacedhishandonhisfather'sshoulderjustnow.

他刚刚把手搭在他爸爸的肩上。链接：place还可作名词，意为“地点；位置；(比赛优胜者的)名次”。e.g.Schoolisagoodpacetolearn.学校是学习的好地方。—Hewonfirstplaceintherunningrace.他在跑步比赛中得了第一名。—That'sgoodnews.真是个好消息。【即时练习】

—Mingmingwonthefirst_______intheEnglishspeechcontest.—Congratulations!A.placeB.placesC.placingD.toplaceAExercisesI.用方框中所给单词的适当形式填空(有一项多余)。1.Thefirstcomputer_________inthe1940sandwasverylarge.2.Canyouguesshowmuchthislaptop____________?It’sverylight.3.Withthe____________oftechnology,smartphonesbecomesmartereveryyear.4.Adesktopcomputerismore____________thanatabletinsomeways.5.Youcan____________thetabletonyourdeskandstartreading.virus,weigh,powerful,appear,place,developmentappearedweighsdevelopmentpowerfulplaceExercises1.Thefirstelectroniccomputerwas_________(heavy)thanacar.2.Peoplecanusesmartphones_________(take)photosandwatchvideos.3.Withthehelpoftheinternet,ourlifebecomesmuch_________(easy).4.Many