冀教 八下 英语 Unit 4《Lesson 21 Boo ks or Computers》课件

Unit4TheInternetConnectsUsLesson21BooksorComputers?同学们，上一课学习的单词你们都掌握了吗？现在大家来检验一下，点击下面的音频开始听写吧！词汇听写课文导入Haveyoueverreade-books?Whatdoyouthinkofthem?课文呈现THINKABOUTIT•Howmanybookshaveyoureadthisyear?•Doyoureade­-books？Doyoulikethem?Thehistoryofbooksisveryinteresting.Inancienttimes，therewereno

books，andpeoplepassedontheirknowledgebytellingstories.

①Later，peoplelearnedhowtowriteandmakepaper.

②Withpaper，peoplebegantowritedowntheirstories.Theywroteeachwordbyhand.③

Ittookalongtimetowritejustonebook！

④温馨提示：此符号表示“考点精讲”链接。课文呈现Then,theprintingpressappearedandchangedtheworld.⑤

Withmoderntechnology,itwaspossibletoprintbooksquickly.⑥

Itwasalsopossibleforcommonpeopletoreadbooks.Thisisamodernprintingpress.Itcanmakethousandsofbooksaday.课文呈现Recently，computersandtheInternetchangedtheworldagain.Anewkindofbookappeared：theelectronicbook(e-­book)．⑦

E-booksarequicklychangingpeople’sreadinghabits.Itiseasierforpeopletobuyandsellbooksonline.⑧

Informationtravelsfasterandfarther.Whichinventiondoyouthinkismoreimportant—theprintingpressortheInternet?课文呈现Nowadays，peoplehavemanywaystoreadbooks.Nomatterwhatyouhave，acomputer，atablet，alaptop，ane-readerorarealbook，keeponreading！

⑨CultureTip

DidyouknowthatChinawasthefirsttoinventpaper？PaperwasinventedduringtheHanDynasty.PaperisoneofthefourgreatinventionsofancientChina.Theotherthreeinventionsarethecompass，printingpressandgunpowder.课文呈现Readthelessonandanswerthequestions.1．Howdidpeoplewritebooksinancienttimes?2．Whatmadeitpossibletoprintbooksquickly?3．Whatkindofbooksquicklychangedpeople’sreadinghabits?Theywroteeachwordbyhand.Moderntechnology.Theelectronicbook(e-book)．课文呈现2)Readthelessonandputthesentencesinthecorrectorder.TheHistoryoftheBook□Ittookalongtimetowritejustonebook.□Itmadeitpossibleforcommonpeopletoreadbooks.□Thee-bookappeared.□Peoplehadnobooks,andtheysharedknowledgebytellingstories.□Theprintingpressappeared.□PeopledownloadbooksfromtheInternet.□Withpaper，peoplebegantowritedownstories.3561472课文呈现3)Fillintheblanks.Thefirstletterisgiven.Paper

Withpaper，peoplebegantowritedowntheirstories.Peoplewroteeachwordbyhand.Ittookalongtimetowriteonebook._____________couldn’ttravelfar.Printingpress

Whentheprintingpress__________，itchangedtheworld.The________printingpresscanprintbooksquickly，andmakesitpossibleforthe_________persontohaveeasyaccesstobooks.Informationappearedmoderncommon课文呈现Internet

ComputersandtheInternetchangedtheworld.Theymadeitpossibleforanewkindofbook:the___________book.Traditionallybookscouldonlybeboughtandsoldatastore，buttodayyoucanbuyand_______booksonline.electronicsell课文呈现4)Doyoulikereadingpaperbooksorelectronicbooks(e-­books)？Why？Talkwithyourpartnerandmakeupadialogue.eg：A：Doyoulikeebooks?B：Yes.Ilikethemverymuch.A：Why?B：Becauseitisveryeasyforpeopletobuyandsellbooksonline.考点精讲①Inancienttimes,therewerenobooks,andpeoplepassedontheirknowledgebytellingstories.noadj.没有，无【句法分析】“no+可数名词复数/不可数名词”相当于“notany+可数名词复数/不可数名词”；“no+可数名词单数”相当于“nota/an+可数名词单数”。考点1考点精讲e.g.Thereisnowaterintheglass.=Thereisn’tanywaterintheglass.玻璃杯里没有水。Ihavenoplanfortheweekend.=Idon’thaveaplanfortheweekend.我周末没有计划。no+不可数名词no+可数名词单数考点精讲【特别提醒】当“no+名词”作主语时，谓语动词的单复数要与no后面的名词保持一致。e.g.Nonewsisgoodnews.没消息就是好消息。Nowordsareabletoexpressmyfeelings.我的感情是无法用言语表达的。中考在线1：公共场所禁止吸烟。[武威]____________________inpublicareas.Nosmoking考点精讲passon传递；前进e.g.Canyoupassonthenewspapertomysister?你能把报纸递给我的姐姐吗？考点2含pass的短语passon传递passtheexam考试及格passaway去世passby通过，经过passon...to...把……传递/转告给……passonsth.tosb.(=passsth.ontosb.)考点精讲拓展：pass意为“传递”,后可接双宾语。e.g.Passmethesalt,please.=Passthesalttome,please.请把盐递给我。小贴士：如果pass后的直接宾语为代词,只能用passsth.tosb.结构。passsb.sth.(＝passsth.tosb.)把某物传递给某人考点精讲①pass动词：通过；走过；传递Ipassthesupermarketonthewaytoworkeveryday.每天上班的路上,我都路过那家超市。Weallpassedtheexam.我们都通过了考试。②past介词：在另一边；到另一侧Hehurriedpastthemwithoutstopping.他匆匆走过他们身边,连停都没停。辨析：pass与past返回温馨提示:可返回原文考点精讲②Later,peoplelearnedhowtowriteandmakepaper.howtowrite怎样书写在此结构中，疑问词可用疑问代词who、which、what等和疑问副词when、where、how等。e.g.IwanttoknowhowtoimprovemyspokenEnglish.我想知道怎样提高我的英语口语。考点3特殊疑问词+动词不定式考点精讲中考在线2：Theteachersarestilltalkingaboutwheretheywillholdtheconcert.（改为简单句）Theteachersarestilltalkingabout____________holdtheconcert.【】上下文主语一致时，“特殊疑问词+todo”结构可以代替宾语从句。whereto返回考点精讲③Theywroteeachwordbyhand.byhand用手工byhand意为“用手；靠手做；手工”，表示方式，注意词组中名词前不用冠词。e.g.Accordingtothesymbolonthelabel,thissweatershouldbewashedbyhand.根据标签上的符号，这件毛衣应该手洗。考点4考点精讲拓展：byhand还表示“亲手；亲自”。inhand意为“在手头；在进行中；在控制中”。e.g.Hebroughtupthechildbyhand.那孩子是他亲手带大的。Hehasgotthehorsewellinhand.他把马控制得很好。返回考点精讲④Ittookalongtimetowritejustonebook![高频]take/teɪk/v.费时；需要……时间e.g.Ittakesmehalfanhourtogotoschooleveryday.我每天花半个小时去学校。考点5①cost物＋cost(适当形式)＋人＋金钱Theticketcostsmetendollars.这张票花了我十美元。辨析：cost,spend,take与pay考点精讲②spend人＋spend(适当形式)＋时间/金钱＋on＋名词/代词Ispentallmypocketmoneyonbooks.我所有的零花钱都花在书上了。③takeIt＋takes/took＋人＋时间＋todoIttookmeanhourtowalkthere.我花了一小时走到那里。④pay人＋pay(适当形式)＋金钱＋for＋物Hepaid5dollarsforthatbook.他花了5美元买那本书。考点精讲中考在线3：It_______ZhangGuimeimanyyearstohelpabout1,800girlstudentsinpoorareasrealizetheircollegedreams.[龙东]A.tookB.spentC.cost【】采用固定结构法。句意为“张桂梅多年来在贫困地区帮助了大约1800名女生实现了她们的大学梦”。句式结构为“Ittakessb.sometimetodosth.”。A返回考点精讲⑤Then,theprintingpressappearedandchangedtheworld.appear/ə'pɪə/v.出现；呈现；来到e.g.Thesunappearedonthehorizon.太阳露出了地平线。Hissuddenappearancesurprisedme.他的突然出现使我感到惊讶。考点6appearancen.出现；公开露面反义词disappearvi.消失考点精讲中考在线4：—Recently,schoolviolence______insomeschools.—Luckily,ourgovernmenthascarriedoutsomepoliciestostopit.[恩施]A.hasappearedB.appearedC.willappear【】考查句子时态。“目前，一些学校出现了校园暴力行为。”后文说“幸好政府已经实施一些政策来阻止这种情况”。符合现在完成时态的用法，强调过去发生的动作对现在产生的影响或结果。且recently是一个完成时态的信号词。A返回考点精讲⑥Withmoderntechnology,itwaspossibletoprintbooksquickly.modern/'mɒdn/adj.现代的；新式的e.g.Doyoulikemodernmusicorclassicalmusic?你喜欢现代音乐还是古典音乐?考点7返回考点精讲⑦Anewkindofbookappeared:theelectronicbook(e-book).electronic/ɪlek

trɒnɪk/adj.电子的e.g.Ihaveanelectronicdictionary.我有一部电子词典。考点8electric名词形式为electricity(电，电力)。返回考点精讲⑧Itiseasierforpeopletobuyandsellbooksonline.sell/sel/v.卖；出售(sold/sold)e.g.Iwanttosellthecar.我想卖掉这辆小汽车。Hesoldtheoldcartomefor500yuan.=Hesoldmetheoldcarfor500yuan.他以五百元的价钱把那辆旧的小汽车卖给了我。考点9sellsb.sth.=sellsth.tosb.把某物卖给某人考点精讲MoYan’sworkssellwell.莫言的作品很畅销。Ticketsfortheconcertaresoldout.音乐会的票卖完了。sell的常用短语：sellwell卖得好；畅销(不用于被动句)sellout/besoldout售完考点精讲中考在线5：ThiskindofT-shirtlooks______andsells______inthemarket.[安顺]A.nice;goodB.well;wellC.nice;wellD.good;nice【】用语法判定法。look感官动词,后接形容词。sellwell畅销。C返回考点精讲⑨Nomatterwhatyouhave,acomputer,atablet,alaptop,ane-readerorarealbook,keeponreading!nomatterwhat无论什么e.g.Don’ttrusthim,nomatterwhathesays.无论他说什么,都别相信他。考点10nomatterhow=however(不管怎样)nomatterwho=whoever(无论谁)相当于whatever,引导让步状语从句。考点精讲Nomatterwhereyougo,youcanfindfriends.无论你去哪里,你都可以找到朋友。Itoldhimhecouldcomebacknomat