八年级英语下册_unit_4 the internet connects us lesson 21课件 （新版）冀教版_1

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1、Lesson21BooksorComputers?Words&expressionspressappearmodernelectronicselln.印刷机；新闻界v.出现；呈现；来到adj.现代的；新式的adj.电子的v.卖；出售2paperbooks3e-books4Thinkaboutit!Howmanybookshaveyoureadthisyear?2.Doyoureade-books?Doyoulikethem?5ObjectivesTounderstandthepassageaboutbooks.2.Tolearnsomeusefulwordsandexpressio

2、nstotalkaboutthehistoryofbooks.6Words:pressappearmodernelectronicsellExpressions:passonbyhandprintingpresskeepon7Readandanswer.1.Howdidpeoplewritebooksinancienttimes?Peoplewrotedowntheirstorieswithpaper.Theywroteeachwordbyhand.2.Whatmadeitpossibletoprintbooksquickly?Moderntechnologymadeitpossi

3、bletoprintbooksquickly.3.Whatkindofbooksquicklychangedpeople’sreadinghabits?E-books.8Readthelessonandputthesentencesinthecorrectorder.TheHistoryoftheBook()Ittookalongtimetowritejustonebook.()Itmadeitpossibleforcommonpeopletoreadbooks.()Thee-bookappeared.()Peoplehadnobooks,andtheysharedknowledg

4、ebytellingstories.()Theprintingpressappeared.()PeopledownloadbooksfromtheInternet.()Withpaper,peoplebegantowritedownstories.12345679LanguagePoints101.Peoplepassedontheirknowledgebytellingstories.人们通过讲故事来传播知识。passon传递；前进；去世Whatsortofvaluesdoyouwanttopasson?你想把怎样的价值观传递给下一代？Hepassedonattheageof72

5、.他72岁时去世。Manyastudentfailstopassontheexamination.许多学生考试不及格。112.Theywroteeachwordbyhand.他们用手来写每个单词。byhand用手；手工Hemovedthehugestonebyhand.他用手移动了那块大石头。Wearrangedleadlettersbyhandbeforeanewspaperwasprinted.在报纸印刷以前，过去是用手工排铅字的。123.Then,theprintingpressappearedandchangedtheworld.然后，印刷机出现了并改变了世界。printi

6、ngpress印刷机Thenewspaperisthemostnovelproductoftheprintingpress.报纸是印刷机制造的最新奇的产品。pressn.压；按；新闻；出版社Hefeltthepressofmodernlife.他感觉到现代生活的压力。13Perhapswereallyshouldbereflectingonanothersacredliberty:thefreedomofthepress.也许我们真正应该反思的是另一个神圣的自由：新闻自由。v.压；按Dragopressedabuttonandthedoorclosed.德拉戈按了一个按钮，门关上了

7、。Pressthisbuttontostarttheengine.要开动发动机就按这个按钮。14appearvi.出现；呈现；来到Whennightfalls,starsappear.夜晚来到时星星出现。Heisanxioustoappearagentleman.他急于表现得像一位绅士。Awomanappearedatthefarendofthestreet.一个女人在街那端出现了。154.Withmoderntechnology,itwaspossibletopri