学前英语教育ScienceandTechnology课件

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1、UNIT 5ScienceandTechnologyAfterlearningthisunit,Youwillbeableto:1.masterthepronunciationofthephonemesofpbtdkg；2.talkaboutScienceandtechnology；3.usecomputersandInternetinyourteaching；4.howtohelpkidsformagoodhabitofsurfingtheInternet;5.mastertheusageofCountableandUncountableNouns.Learning ObjectivesCo

2、ntents3ListeningandSpeaking5SupplementalReading6Grammar4ReadingandWriting26EnrichYourself1WarmingupPronunciationPracticeWarmingup11.Areyougoodatplayingthepiano?2.Couldyoupleaseputyourbackpackinthecabinet?3.Youshouldfinishthetaskontime.4.“Otter”isspeltwithadouble“t”.5.Keepquiet,please.6.Maygodbewithy

3、ou.ppot people piano potato bback job bear brother ttooth teacher task tell ddog dig duck doublekcake keep cup cap ggrandpa girl green god Listenandfindthesuitablepictureforeachwordorexpression.2WarmingupipadlaptopbluetoothWechatselfilestickmicroblogDiscuss:Warmingup3WhatkindofroledoesInternetplayin

4、ourdailylife?HowshouldweapplyInternetresourcetoourteaching?Completethesentenceswiththewordsbelow.Warmingup41.Mymothergottoknowhowto_theInternettwoyearsago.2.Scienceandtechnologyhavebroughtgreat_toourlife.3.Youcan_eitherbyWechatorAlipaywhenyoueatatarestaurantorevenbuyporkatamarket.4.Mnayyoungparentsn

5、owareusinga(n)_tolookaftertheirchildrenwhiletheyareplayingwiththeirmobilephones.5.Bluetooth is radio _ that makes it possible for mobilephones,computers and other electronic devices to be linked over shortdistance,withoutneedingtobeconnectedbywires.conveniencetechnologypaysurfipadsurfconveniencepayi

6、padtechnologyLearnthewordsandexpressions.1Listening and Speakinggraduationceremonycantwaittosuitableselfilestickfastenbluetoothexpanddelicatebattery毕业.n仪式，典礼迫不及待自拍杆合适的使固定蓝牙展开，扩张微妙的，精美的电池Listentothedialogueandrepeat.2Listening and SpeakingA:Lisa,whatareyougoingtodointwoyearsaftergraduation?B:Iamgoing

7、tobeakindergartenteacher.A:Haveyoumadeupyourmind?B:Yeah,becauseIchosePreschoolEducationasmymajoratcollege.IwanttoapplywhatIhavelearnedtopractice.Besides,Ilovestayingwithchildren.Whataboutyou,Mike?A:Well,Iwanttobeacookinahotel,Ilikecookingdifferentkindsoffood.B:Soundsgreat!Cookingisalsoakindofart.A:Y

8、es,torealizemydream,Imustworkhardfromnowon.B:Letsworkhardtogether!A:Tom,tomorrowisourgraduationceremony,willyoujoinusandtakesomephotoswithus?B:Ofcourse!Linda,Icantwaittojoinyou.Itissonicethatyouinviteme.Ireallywanttotakephotoswithyou,butifthereisnoonetookpictureofus,howcanwesupposedtobeinapicture.A:

9、Dontworryaboutthat.See,Igetthis.B:Whatisthis?Astick?A:Yes,itisastick,butitisnotsimplyastick.Itiscalledselfilestick.B:Selfilestick?Soundsgreat!Showmehowtouseit.A:OK.Firstly,fastenmycellponeonthetop,andthenopenthebluetoothandextendthesticktoasuitablelength.OK,comeandsitbymyside,letstryone!B:Great!Noww

10、hichbuttonshallweuse?A:Look,pressthiscamerabutton.OK,smile!B:Wow,letmehavealook.Perfect!Wearebothinthepictureandourfaceissodelicate!A:Hahaha.Thatswhywegirlslovethisselfilesticksomuch!Thereisonlyoneproblemhere,whenweusethis,itwastesalotofbattery.B:Isee,Ilikeit!Decidetrue(T)orfalse(F).3Listening and S

11、peakingA:Lisa,whatareyougoingtodointwoyearsaftergraduation?B:Iamgoingtobeakindergartenteacher.A:Haveyoumadeupyourmind?B:Yeah,becauseIchosePreschoolEducationasmymajoratcollege.IwanttoapplywhatIhavelearnedtopractice.Besides,Ilovestayingwithchildren.Whataboutyou,Mike?A:Well,Iwanttobeacookinahotel,Ilike

12、cookingdifferentkindsoffood.B:Soundsgreat!Cookingisalsoakindofart.A:Yes,torealizemydream,Imustworkhardfromnowon.B:Letsworkhardtogether!1.Theyaretalkingaboutacamera.2.TomteachesLindahowtousetheselfilestick.3.Selfilestickiseasytooperate.4.Withselfilestickallthestudentsinaclasscouldinapicturewithoutoth

13、ershelp.5.Peoplelikeselfilestickverymuchespeciallygirls.FFTTFListenagainandanswerthequestions:4Listening and SpeakingTheyaretalkingaboutselfilesticks.Ifthereisnoonetotakephotosforthem,howcantheybeinapicture?Firstly,fastenthecellphoneonthetop,andthenopenthebluetoothandextendthesticktoasuitablelength.

14、Itwastesalotofbattery.1.What are they talking about？2.What is Toms confusion about?3.How to use a selfile stick?4.Why are selfile sticks so popular among girls?5.What is the disadvantage of selfile sticks?Peoplecanbeinthesamepicturewithoutothershelpandthefaceisdelicate.Listentothesentencesthreetimes

15、andsupplythemissingwords.5Listening and SpeakingA:Lisa,whatareyougoingtodointwoyearsaftergraduation?B:Iamgoingtobeakindergartenteacher.A:Haveyoumadeupyourmind?B:Yeah,becauseIchosePreschoolEducationasmymajoratcollege.IwanttoapplywhatIhavelearnedtopractice.Besides,Ilovestayingwithchildren.Whataboutyou

16、,Mike?A:Well,Iwanttobeacookinahotel,Ilikecookingdifferentkindsoffood.B:Soundsgreat!Cookingisalsoakindofart.A:Yes,torealizemydream,Imustworkhardfromnowon.B:Letsworkhardtogether!1.Themechanismsofacellphonearevery_.2.Adampresseda_andwaitedforthelift.3.The_ofthislaptopcanlastlongerthanthatone.4.Foryours

17、afety,please_yourseatbelts.5.Wecansendourpicture,wordsandevenvoicethrough_.fastenwechatdelicatebuttonbatteryfastenbuttonbatterydelicatewechatPairwork:Createasimilarconversationbasedonthegivensituationandfunctionalsentences.6Listening and SpeakingFunctionalsentences:Iamgoingtobuyalaptop,butIcantdecid

18、ewhattobuy.Canyourecommendmesomebrandsoflaptop?Asastudent,firstlyyoushouldmakeuseofthelaptop,thatisstudycomesfirst.Secondly,youhavetotakethepriceintoconsideration.Ofcourse,youalsohavetofollowyourparentsadvice.Situation:Situation:Aisgoingtobuyanewlaptopanddoesntknowwhatkindtobuy.SoAisaskinghiscousinf

19、orhelp.TextBeforeReadingDiscussthefollowingquestionsinclass.1.Whatisipad?Haveyoueveruseditbefore?2.Comparedwitharegularcomputerorlaptop,whataretheadvantagesofipad?Reading and WritingIpadDoyouknowwhatanipadis?SteveJobs,ApplesformerCEOcallsit,“ThemostadvancedpieceoftechthatIveeverworkedonatApple.Itiss

20、omethingcompletelynew.Waybetterthanalaptop,waybetterthanaphone.Youcanturnitanywayyouwant.Toseethewholepassageisphenomenal.Wereexcitedforcustomerstogettheirhandsonthismagicalandrevolutionaryproductandconnectwiththeirappsandcontentinamoreintuitiveandfunwaythaneverbefore.”Theipadletsusersbrowsetheweb,r

21、eadandsendemails,enjoyandsharephotos,watchvideos,listentomusic,playgames,reade-books,andmuchmore.Theipadisonly0.5inchesthickandweightsjust1.5pounds-thinnerandlighterthananylaptopornetbook-anddeliversabatterylifeofupto10hours.TheipadsrevolutionaryMulti-Touch(MT)interfacemakedsurfingthewebanentirelyne

22、wexperience,dramaticallymoreinteractiveandintimatethanusingaregularcomputer.Youcanreadandsendemailsonipadslargescreenusinganear-full-size“soft”keyboard,orimportphotosfromaMac,PCordigitalcamera,organizingthemintoalbums,andenjoysharingthroughipadselegantslideshows.Ipadmakesiteasytowatchmovies,TVshowsa

23、ndYouTube,allinHD(HighDefinition)Photoshop,orflipthroughthepagesofane-bookdownloadedfromApplesnewiBookstore,whilelisteningtoyourownmusiccollection.Surprisingly,ipadisoneofthemostamazingeducationaltoolsinvented.Forinstance,Gabrielle,only22monthsold,playsgamesmatchingcolours,numbers,letters,etc.alread

24、yenjoyinghernew“toy”.Theipadcanactasagoodteacherforchildrentolearnabouttheworld.Reading and WritingIpadKindergartenReading and WritingKindergarten(Para.1)Do you know what an ipad is?Steve Jobs,ApplesformerCEOcallsit,“Themostadvancedpieceoftech that Ive ever worked on at Apple.It is somethingcomplete

25、lynew.Waybetterthanalaptop,waybetterthana phone.You can turn it any way you want.To see thewholepassageisphenomenal.Wereexcitedforcustomers to get their hands on this magical andrevolutionary product and connect with their apps andcontentinamoreintuitiveandfunwaythaneverbefore.”Theipadletsusersbrows

26、etheweb,readandsendemails,enjoyandsharephotos,watchvideos,listentomusic,playgames,reade-books,andmuchmore.Reading and WritingKindergarten(Para.2)Theipadisonly0.5inchesthickandweightsjust 1.5 pounds-thinner and lighter than any laptop ornetbook-anddeliversabatterylifeofupto10hours.Theipads revolution

27、ary Multi-Touch(MT)interface makedsurfingthewebanentirelynewexperience,dramaticallymore interactive and intimate than using a regularcomputer.Reading and WritingKindergarten(Para.3)Youcanreadandsendemailsonipadslargescreen using a near-full-size“soft”keyboard,or importphotosfromaMac,PCordigitalcamer

28、a,organizingtheminto albums,and enjoy sharing through ipads elegantslideshows.Ipad makes it easy to watch movies,TVshows and YouTube,all in HD(High Definition)Photoshop,or flip through the pages of an e-bookdownloadedfromApplesnewiBookstore,whilelisteningtoyourownmusiccollection.Reading and WritingK

29、indergarten(Para.4)Surprisingly,ipadisoneofthemostamazingeducationaltoolsinvented.Forinstance,Gabrielle,only22months old,plays games matching colours,numbers,letters,etc.alreadyenjoyinghernew“toy”.Theipadcanactasagoodteacherforchildrentolearnabouttheworld.Reading and Writingadvanceddv:nstadj.havingt

30、hemostmodernandrecentlydevelopedideas,methods,etc.先进的;高级的,高等的;年老的e.g.Therewereonlythreeofusontheadvancedcourse.只有我们三人学高级课程。completelykmpli:tliadv.ineverywaypossible完整地;彻底地;完全地e.g.Theexplosioncompletelydestroyedthebuilding.爆炸完全毁掉了那栋大楼。phenomenalfnmnladj.verygreatorimpressive现象的，非凡的，惊人的e.g.Theproducth

31、asbeenaphenomenalsuccess.这种产品获得了极大的成功。magicalmdkladj.containingmagic;usedinmagic魔术的,不可思议的,有魔力的e.g.Herwordshadamagicaleffectonus.她的话对我们有一种魔力般的作用。digitalddtladj.usingasystemofreceivingandsendinginformationasaseriesofthenumbersoneandzero,showingthatanelectronicsignalisthereorisnotthere数字的，数字化的e.g.Tombo

32、ughtadigitalcameralastweek.汤姆上周买了台数码相机。WordsandExpressionsReading and Writingapppabbr.APPLICATION（计算机）应用程序(applicationprogram)e.g.adatabaseapplication数据库应用软件revolutionaryrevlu:nriadj.connectedwithpoliticalrevolution革命的，创新的e.g.Shewasarevolutionaryleaderduringthewar.她是战争中的革命领袖。dramaticallydrmtkladv.su

33、ddenly,verygreatlyandoftensurprisingly戏剧化地，引人注目地，显著地e.g.Priceshavefallendramatically.物价突然暴跌。amazingmezadj.verysurprising,especiallyinawaythatmakesyoufeelpleasureoradmiration令人惊奇的，（尤指）令人惊喜（或惊羡、惊叹）的e.g.Itsamazinghowquicklypeopleadapt.人适应环境的速度之快真是惊人。intuitiventju:tvadj.(ofideas思想)obtainedbyusingyourfee

34、lingsratherthanconsideringthefact（出于）直觉的，（计算机软件等）易懂的，使用简便的e.g.Hehadanintuitivesenseofwhatthereaderwanted.他能直觉地感到读者需要什么。NewWordsandExpressionsReading and Writing interface ntfes n.the way a computer program presents information to a user orreceivesinformationfromauser,inparticulartheLAYOUTofthescreen

35、andthemenus（人机）界面，（尤指屏幕布局和菜单）；接口；（两学科、体系等的）接合点；边缘区域e.g.theinterfacebetweencomputerandprinter计算机和打印机之间的接口near-full-size近乎原尺寸的e.g.anear-full-sizemodel近乎原尺寸的模型interactiventrktvadj.thatinvolvespeopleworkingtogetherandhavinganinfluenceoneachothe;thatallowsinformationtobepassedcontinuouslyandinbothdirecti

36、onsbetweenacomputerandthepersonwhousesit交互（互动）的，交流的（计算机用语）e.g.Theschoolbelievesininteractiveteachingmethods.这所学校相信互动教学法。importmp:tv.togetdatafromanotherprogram,changingitsformsothattheprogramyouareusingcanreadit；tobringaproduct,aservice,anideaetc.intoonecountryfromanother将信息（从一台计算机）传输到（另一台计算机）；进口，输入

37、，引进e.g.Thecountryhastoimportmostofitsrawmaterials.这个国家大多出原料均依赖进口。WordsandExpressionsReading and WritingMacMacintoshn.苹果电脑PCn.TheabbreviationforPersonalComputer(asmallcomputerthatisdesignedforonepersontouseatworkorathome)个人电脑;个人计算机downloaddanldV.tomovedatatoasmallercomputersystemfromalargerone下载（资讯或程

38、序）e.g.Wouldyouliketodownloadthisfilm?你想下载这不电影吗？HD(highdefinition)高清晰度 flip through to turn the pages of a book,etc.Quickly and look at them without readingeverything浏览；草草翻阅e.g.Sheflippedthemagazinelookingfortheletterpage.她浏览杂志寻找读者来信页。getoneshandsontofindorgetsth找到/得到某物e.g.WaittillIgetmyhandsonhim!等我

39、抓住他再说！WordsandExpressionsReading and WritingDetailed Study of the TextDetailed Study of the TextDetailed Study of the TextDetailed Study of the Text1.iPad是由苹果公司于2010年开始发布的平板电脑系列，定位介于苹果的智能手机iPhone和笔记本电脑产品之间，通体只有四个按键，与iPhone布局一样，提供浏览互联网、收发电子邮件、观看电子书、播放音频或视频、玩游戏等功能。由英国出生的设计主管乔纳森伊夫（JonathanIve）（有些翻译为乔纳森

40、艾维）领导的团队设计的，这个圆滑、超薄的产品反映出了伊夫对德国天才设计师DieterRam的崇敬之情。Reading and WritingDetailed Study of the TextDetailed Study of the TextDetailed Study of the TextDetailed Study of the Text2.SteveJobs:史蒂夫乔布斯（1955年2月24日-2011年10月5日），美国著名的发明家、企业家、美国苹果公司联合创办人。授予乔布斯的专利总数共有458项，被认为是计算机业界与娱乐业界的标志性人物，他经历了苹果公司几十年的起落与兴衰，先后领

41、导和推出了麦金塔计算机（Macintosh）、iMac、iPod、iPhone、iPad等风靡全球的电子产品，深刻地改变了现代通讯、娱乐、生活方式。乔布斯同时也是前Pixar动画公司的董事长及行政总裁。2011年10月5日，因胰腺癌病逝，享年56岁。Reading and WritingDetailed Study of the TextDetailed Study of the TextDetailed Study of the TextDetailed Study of the Text3.Wereexcitedforcustomerstogettheirhandsonthismagica

42、landrevolutionaryproduct.（para.1）对于消费者能得到这种神奇创新的产品，我们非常兴奋.get/layoneshandsonsth.意为“找到/得到某物”。e.g,IknowtheiraddressisherebutIcantlaymyhandsonitrightnow.我知道他们的地址就放在这块儿，但我一时找不到。Reading and WritingDetailed Study of the TextDetailed Study of the TextDetailed Study of the TextDetailed Study of the Text4.Ip

43、admakesiteasytowatchmovies,TVshowsandYouTube,allinHD(HighDefinition)Photoshop（para.4）photoshop简 称“PS”，是 由AdobeSystems开发和发行的图像处理软件。Reading and WritingDetailed Study of the TextDetailed Study of the TextDetailed Study of the TextDetailed Study of the Text5.Themostadvancedpieceoftechthat（para.4）最先进的一项科

44、技.mostadvanced此处用了形容词的最高级。第四段中的“themostamazingeducationaltoolsinvented.”也用了形容词最高级。类似用most构成的形容词最高级的还有themostbeautiful最漂亮的，themostpleased最高兴的。Reading and Writing译文1：你知道ipad吗？苹果公司的首席执行官史蒂夫.乔布斯这样描述：“Ipad是我在苹果公司工作以来推出的科技含量最高的产品了。它是全新的东西，比笔记本好，比手机强。你可以让它做任何事情。能看完整的页面，这确实很惊人。我们太激动了，用户们能体验到这么神奇且富有革命性的产品，并能

45、以比之前更亲密、直观和有趣的方式与自己的应用程序和内容联接起来。”ipad能让使用者在网上浏览网页、阅读和发送邮件、欣赏并共享照片、看录像、听音乐、玩游戏、看电子书以及更多的东西。Reading and Writing译文2：Ipad只有0.5英寸厚（1英寸相当于2.54厘米），1.5英镑重比任何的笔记本电脑或上网本更薄更轻，并且电池一次使用时间能达到10个小时。Ipad变革性的多点触控界面使网上冲浪成为一种使用普通电脑上网所无法获得的更为生动、更有亲和力的全新体验。Reading and Writing译文3：你可以运用ipad的宽屏以及接近实际尺寸的“软”键盘来收发电子邮件，导入来自于苹果

46、电脑、个人计算机或者数码相机上的照片，使之形成相册。Ipad华丽的幻灯片显示功能能使用户乐于分享这些照片。有了ipad，人们很容易观看高清格式的电影、电视节目和YouTube视频，也可以边听音乐边快速翻阅从苹果新的电子书店iBookstore上下载的电子书。Reading and Writing译文4：令人惊奇的是，Ipad是迄今所发明的最了不起的教育工具之一。例如，加布里埃尔这个仅有22个月大的小女孩可以运用它玩拼接色彩、数字和字母等的游戏，她已经开始享受这个新“玩具”。Ipad是一个让孩子们认识世界的好老师。Reading and WritingAfter ReadingAfter Rea

47、dingAfter ReadingAfter Reading.A.MainIdeaFill in the blanks with appropriate expressions according to the above reading passage.Theipadisonly0.5inches_andweighsjust1.5_-thinnerandlighterthanany_ornetbook.Thebatterycanlast_hours.Theipadletsusers_theweb,readand_emails,enjoyand_photos,_videos,_music,pl

48、aygames,read_.Ipadisoneofthemostamazing_toolsinvented.thickpoundslaptoptensurfsendimportwatchlistentobookseducationalReading and WritingAfter ReadingAfter ReadingAfter ReadingAfter Reading.B.DetailedUnderstanding1.Ipadis_.A.smallandbeautifullydesigned.B.largeandexpensiveC.moderate-sizedandperfectD.t

49、hemostadvancedelectronicproduct.2.Theipadsrevolutionary_interfacegivepeopleanentirelynewexperiencewhensurfingtheweb.A.multi-TouchB.single-TouchC.touchableD.untouchable3.FormtheJobswords,welearnthat_.A.hespokehighlyofipadB.hedidntregardipadasanewinvention.C.heinventedipadD.hewasindifferenttowardscust

50、omers4.Theauthorbelievesthatipadcanactas_.A.acoachforboysB.aneducationaltoolC.atrainerforyoungpeopleD.anurseforchildrenChoose the answer that best completes each sentences or answers each question.Reading and WritingAfter ReadingAfter ReadingAfter ReadingAfter Reading.C.VocabularyPracticeFillinthebl

51、ankswiththeproperformsofnewwordsandexpressionsgivenbelow.advanceddownloadelectronicmagicalcameraadvanceddownloadelectronicmagicalcamera1.Janeoften_musicandmoviesfromtheInternet.2.Shedecidedtosavemoneytobuyadigital_.3.Mr.WangboughtanOxford_LearnersEnglish-ChineseDictionaryforhisdaughter.4.Herwordshad

52、a_effectonchildren.5.Johnsfatherisa(n)_engineer.downloadscameraelectronicmagicaladvancedReading and WritingAfter ReadingAfter ReadingAfter ReadingAfter Reading.TranslatethefollowingpassageintoChinese.Youcanreadandsendemailsonipadslargescreenusinganear-full-size“soft”keyboard,orimportphotosfromaMac,P

53、Cordigitalcamera,organizing them into albums,and enjoy sharing through ipads elegantslideshows.Ipadmakesiteasytowatchmovies,TVshowsandYouTube,allinHD(HighDefinition)Photoshop,orflipthroughthepagesofane-bookdownloadedfromApplesnewiBookstore,whilelisteningtoyourownmusiccollection.你可以运用ipad的宽屏以及接近实际尺寸的

54、“软”键盘来收发电子邮件，导入来自于苹果电脑、个人计算机或者数码相机上的照片，使之形成相册。Ipad华丽的幻灯片显示功能能使用户乐于分享这些照片。有了ipad，人们很容易观看高清格式的电影、电视节目和YouTube视频，也可以边听音乐边快速翻阅从苹果新的电子书店iBookstore上下载的电子书。D.TranslationPracticeReading and WritingAfter ReadingAfter ReadingAfter ReadingAfter Reading.E.WritingPracticeWriteashortessayabouthowtouseWechat(100-1

55、50words).Supplemental Reading.CellPhoneRulesforYourKidsNodoubtaboutit:Cellphonesareagreatwaytostayintouchanytime,anywhere.Butisyourchildoldenoughtohaveone?Itsatoughcallformany parents because its not just about age.You cant beat theconvenience.Ifyourchildhasacellphone,youcancallortexthimtofindoutwhe

56、reheisandwhathesdoingandinformhimofyourownplans.Itcan make you feel safer just knowing where your kids are.And in anemergency,acellphonecanbecrucialifyourchildneedstoreachyou-orviceversa.Supplemental ReadingTheissueisreallyabouteducatingchildrenhowtousecellphonesinappropriateways,Evanssays.Cellphone

57、scandefinitelybebeneficial,aslongasyouknowyourindividualchild.Ifyoudecideyourchildisreadyforacellphone,setthegroundrulesfirst.Buythemabasicphone:Yes,youcanstillgetaphonethatdoesntincludeacamera,Internetaccess,games,andtexting.Ifyourepassingoneofyourphonesdowntoyourchild,turnoffalltheextrafeatures.An

58、difyourchildcomplains,remindherthatphonesaretools,nottoys.Itsaboutsafety,notsocialstatusorgames,Knorrsays.Setlimits:Mostcellphonecompaniesallowyoutocapthenumberoftextsausercansendorreceiveaswellasthenumberofminutesthecellphonecanbeused.Ifachildgoesoverthedesignatedplanamount,haveherpaytheextracharge

59、s.(Olderteenscanberesponsiblefortheirentire cell bills.)You also can block Internet access and calls fromunapprovednumbersonmostphones.Supplemental ReadingSetmorelimits:Designatetimesthatthecellphoneneedstobeturnedoff-forinstance,duringfamilymeals,after10p.m.,andduringschoolhours.Ifyourteenisadriver

60、,insistthatheorshenotusethephonewhendriving.Somefamiliesdontallowcellphonesinchildrensroomsatnighttokeepkidsfromtextingormakingcallsafterbedtime.Insistthatyourchildansweryourcallsandtextsrightaway,andteachyourchildnottoanswerorreturncallsandtextsfrompeopletheydontknow.Followthesamelimitsyourself:Let

61、sfaceit:Youhavetowalkyourtalk.Ifyoudontwantyourchildtousethephoneduringmealsorwhiledriving,follow those rules yourself.If you dont want him or her tocompulsivelycheckthephone,dontdosoyourself.YouareyourchildsNo.1rolemodel,whetheryourchildadmitsitornot.Supplemental ReadingCreate some distance:For now

62、,until the radiation risks are clearer,Moskowitzrecommendsusingearphonesinsteadofholdingthephoneup to the ear.Also,dont let kids sleep with their phones under theirpillows.He also advises against carrying cell phones in front pantspockets,duetoapotentialradiationrisktothereproductivesystem.Teach goo

63、d behavior:Children arent born knowing the rules abouthowtousecellphonesrespectfully,includingnotusingthemtospreadrumors,nottaking(orsending)photoswithoutpeoplespermission,notsendinginappropriatephotosortexts,nothavingpersonalconversationsinpublicplacesand,ofcourse,nevercommunicatingwithstrangers,no

64、matterhowtheypresentthemselves.Itsuptoyoutoteachthem.Grammar英语中的名词分为可数名词和不可数名词。可数名词有单复数之分，分别表示一个或多个。大部分个体名词(individualnouns)都是可数的；还有一类名词表示若干个体组成的集合体，称为集体名词(collectivenouns)，这类名词一般也是可数的。不可数名词不分单复数；物质名词(materialnouns)和抽象名词(abstractnouns)一般是不可数名词。可数名词和不可数名词可数名词和不可数名词(CountableandUncountableNouns)Gramma

65、r可数名词和不可数名词可数名词和不可数名词(CountableandUncountableNouns)类别类别例句例句可可数数名名词词个体名词，如student,problem,book,library,house等。Thereare35studentsinourclass.我们班上有35名学生。Problemswereeasilysolvedbythepoliceman.警察轻松的解决了麻烦。集体名词，audience,crew,class,couple,committee,family,team，jury,party,public等。Theaudienceconsistedmainlyof

66、younggirlsundersixteen.观众主要是由16岁以下的年轻女孩组成的。Wilmasteammadeaperfectendinginthesportmeeting.威尔玛所在队为整个运动会划伤了完美的句号。不不可可数数名名词词物质名词，如air,butter,grass,money,sand,water等。Noonecanseeair.没有人能看见空气。Youdontmakemuchmoney.你赚不了多少钱。抽象名词，如carefulness,joy,peace等。Theaudienceisenormous.观众人数众多。Theaudiencewereenjoyingeveryminuteoftheplay.观众们自始至终欣赏这次演出。Grammar可数名词和不可数名词可数名词和不可数名词(CountableandUncountableNouns)类别类别例句例句可可数数名名词词个体名词，如student,problem,book,library,house等。Thereare35studentsinourclass.我们班上有35名学生。Problemswereeas