冀教版八年級(jí)英語下冊(cè)Unit 4課件 Lesson 21

冀教版八年級(jí)英語下冊(cè)Unit4課件·最新Lesson21BooksorComputers?Warming-up:Let’senjoyavideo:RelaxingTime:Let’senjoyavideo:Listentothepassageandanswerthequestions:Listening:1.Howdidpeoplewritebooksinancienttimes?

Peoplewrotedowntheirstorieswithpaper.Theywroteeachwordbyhand.2.

Whatmadeitpossibletoprintbooksquickly?

Moderntechnologymadeitpossibletoprintbooksquickly.3.Whatkindofbooksquicklychangedpeople’sreadinghabits?

E-books.Let’sDoIt!1TheHistoryoftheBook()Ittookalongtimetowritejustonebook.()Itmadeitpossibleforcommonpeopletoreadbooks.()Thee-bookappeared.()Peoplehadnobooks,andtheysharedknowledgebytellingstories.()Theprintingpressappeared.()PeopledownloadbooksfromtheInternet.()Withpaper,peoplebegantowritedownstories.1234567Let’sDoIt!2Readthelessonandputthesentencesinthecorrectorder.languagepoints:Grammar:1.Peoplepassedontheirknowledgebytellingstories.人們通過講故事來傳播知識(shí)。passon

傳遞；前進(jìn)；去世Whatsortofvaluesdoyouwanttopasson?你想把怎樣的價(jià)值觀傳遞給下一代？Hepassedonattheageof72.他72歲時(shí)去世。Manyastudentfailstopassontheexamination.許多學(xué)生考試不及格。languagepoints:Grammar:2.Theywroteeachwordbyhand.

他們用手來寫每個(gè)單詞。byhand

用手；手工Hemovedthehugestonebyhand.他用手移動(dòng)了那塊大石頭。Wearrangedleadlettersbyhandbeforeanewspaperwasprinted.在報(bào)紙印刷以前，過去是用手工排鉛字的。languagepoints:Grammar:3.Ittookalongtimetowritejustonebook！

寫一本書就要花費(fèi)很長時(shí)間cost物＋cost＋人＋金錢Theticketcostmetendollars.這張票花了我十美元。spend人＋spend＋時(shí)間/金錢＋on＋名詞/代詞Ispentallmypocketmoneyonbooks.我所有的零花錢都花在書上了。takeIt＋takes/took＋人＋時(shí)間＋todoIttookmeanhourtowalkthere.我花了一小時(shí)走到那兒。pay人＋pay＋金錢＋for＋物Hepaid$5forthatbook.他花了5美元買那本書。辨析：cost,spend,take與paylanguagepoints:Grammar:4.Then,theprintingpress

appearedandchangedtheworld.然后，印刷機(jī)出現(xiàn)了并改變了世界。printingpress印刷機(jī)Thenewspaperisthemostnovelproductoftheprintingpress.報(bào)紙是印刷機(jī)制造的最新奇的產(chǎn)品。pressn.壓；按；新聞；出版社Hefeltthepressofmodernlife.他感覺到現(xiàn)代生活的壓力。v.壓；按Pressthisbuttontostarttheengine.要開動(dòng)發(fā)動(dòng)機(jī)就按這個(gè)按鈕。languagepoints:Grammar:appear

vi.出現(xiàn)；呈現(xiàn)；來到Whennightfalls,starsappear.夜晚來到時(shí)星星出現(xiàn)。Heisanxioustoappearagentleman.他急于表現(xiàn)得像一位紳士。Awomanappearedatthefarendofthestreet.一個(gè)女人在街那端出現(xiàn)了。languagepoints:Grammar:5.Withmoderntechnology,itwaspossibletoprintbooksquickly.使用現(xiàn)代技術(shù)能快速打印書。Itis/was+adj.+todosth.做某事……(It作形式主語，真正的主語是todosth.)ItisveryinterestingtolearnEnglish.學(xué)英語很有趣。Itisluckytomeetyouhere.有幸在這兒見到你。It’sverykindofyoutohelpme.你能幫助我真好。languagepoints:Grammar:6.Nomatterwhatyouhave……keeponreading.不管你有什么，繼續(xù)閱讀。keepon繼續(xù)

Theyrunafterme.Idon'tlookbackatthemandkeeponrunning.他們?cè)诤竺孀?，我沒有回頭看，繼續(xù)一個(gè)勁兒的跑。Theimportantthingistokeepontopofindustrytrends,andstayinformed.重要的事情是保持行業(yè)趨勢(shì)的優(yōu)勢(shì)，并且消息靈通。keepondoingsth.著重指動(dòng)作的反復(fù)。Don’tgiveup,andkeepontrying.不要放棄，繼續(xù)努力。keepdoingsth.強(qiáng)調(diào)狀態(tài)或動(dòng)作的持續(xù)。Hekepttalkingforaboutanhour.他持續(xù)談了約一個(gè)小時(shí)。1.印刷機(jī)_______2.在古代_____3.傳遞_______

4.改變世界_______5.用手_______6.現(xiàn)代科技_________

7.繼續(xù)做某事____________8.電子書______theprintingpressinancienttimespassonchangetheworldbyhandmoderntechnologykeepondoingsth.

theelectronicbook(e-Keyphraseswelearntoday:Fillintheblanks.Thefirstletterisgiven.3Let’sDoIt!1.Withpaper,peoplebegantowritedowntheirstories.Peoplewroteeachwordbyhand.Ittookalongtimetowriteonebook.I____________couldn’ttravelfar.2.Whentheprintingpressa________,itchangedtheworld.Them_______printingpresscanprintbooksquickly,andmakesitpossibleforthec_________persontohaveeasyaccesstobooks.

3.

ComputersandtheInternetchangedtheworld.Theymadeitpossibleforanewkindofbook:thee________book.Traditionallybookscouldonlybeboughtandsoldatastore,buttodayyoucanbuyands____booksonline.nformationppearedodernommonlectronicell

Doyoulikereadingpaperbooksorelectronicbooks(e-books)？Why？Talkwithyourpartnerandmakeupadialogue.Let'sDoIt!eg：A：Doyoulikeebooks?B：Yes.Ilikethemverymuch.A：Why?B：Becauseitisveryeasyforpeopletobuyandsellbooksonline.Let’sDoIt!4Workinpairs:根據(jù)句意及所給漢語提示寫出單詞：Exercise:1．Wewatchthebooksrollingoffthe________(印刷機(jī))．2．Thesun________(出現(xiàn))at7：00thismorning.3．Intheafternoon，theywenttoanexhibitionof________(現(xiàn)代的)art.4．Someyoungstudentslike________(電子的)booksbetterthanpaperbooks.(鹽城)5．He________(賣)hisoldcomputerfor500yuan.pressesappearedmodernelectronicsold6．He________anewwayofmakingsilk.7．In________times,peoplelivedbyhunting.8．Thetoyismade________.9．Afterashortrest,they________walking.10．Howdothey________theirinformation?inventedbyhandancientinventkeeponpassonancientbyhandkeptonpassonExercise:用方框中單詞或短語的適當(dāng)形式填空：Fillin