云南省德宏州梁河县第一中学高中英语 Unit3 Reading教学课件 新人教版必修2.ppt

unit3computersreading lookatthefollowingpicturesandsaytheirenglishnames i warmingup abacus calculator warmingup hugecomputer pc warmingup laptop pda warmingup robot what snext discusswithyourpartnerthefollowingquestions whatdothesepictureshaveincommon whatdotheytellyouaboutthedevelopmentofcomputers whatdoyouthinkwillbethenextdevelopment warmingup workinpairs trytoputtheseinventionsinanorderaccordingtothetimewhentheyappeared thenreadthepassagequicklyandchecktoseeifyouwereright analyticalmachine laptop calculatingmachine robot pc universalmachine ii pre reading 2 5 1 6 4 3 readthepassagequicklyandcheckyourprediction wasitcorrect whatisthemainideaofthepassage thispassageisabout iii while reading thedevelopmentofcomputers inpairsguessthemeaningofthefollowingnewwordsfromthereadingpassage thencheckyourguessesusingadictionary abtechnologicalrevolutionsimplifyapplicationpersonalsolverealityexplorehappinessgoal while reading 根据构词法猜测词义themeaningofthewordsingroupacanallbeguessedfromtheirformation eachpairofwordshasthesameroot 词根 technologytechnologicalsimplesimplifypersonpersonalrealrealityhappyhappiness while reading 根据上下文猜测词义themeaningofthewordsingroupbcanallbeguessedfromcontext example revolution fromtheprevioussentenceweknowthataftertheworkoftheoperator i could think logicallyandproduceananswerquickerthananyperson whichindicatesagreatimprovement so revolution heremaymean acompletechange while reading readthepassageagain findthetopicsentenceofeachparagraphandthesupportingdetails paragraph1 overtimeihavebeenchangedquitealot 1 calculatingmachine2 analyticalmachine3 universalmachine4 laptop while reading paragraph2 thesechangesonlybecamepossiblework5 worldwideweb while reading paragraph3 sincethe1970smanynewmunications2 finance3 trade4 robots5 mobilephones6 medicaloperations7 spacerockets8 providingalifeofhighquality while reading summaryatopicsentencesetsoutthemainideaofaparagraph atopicsentenceisusuallythefirstorlastsentenceofaparagraph while reading readthepassagequicklyandfinishthetimelinebelow 1642 1822 theanalyticalmachinewasmadebycharlesbabbage 1940s thefirstfamilyofcomputerswasconnectedtoeachother 1970s now iv post reading thecomputerbeganasacalculatingmachine thecomputergrewrapidlybothinsizeandinbrainpower 1936 thecomputerhadgrownaslargeasaroom 1960s computerswereusedinofficesandhomes computersconnectpeopleallovertheworldtogether post reading workingroupoffourandbrainstormalistofthingsthatyou yourschoolandyourfamilyusecomputersfor discusshowcomputershavechangedourlives thinkaboutwhatyouwouldhavetodoifyoucouldnotusecomputersanymore giveareporttotheclass youcanusethenewwordsinthereadingpassageandthefollowingexpressionstohelpyouinyourdiscussion ithink don tthinkthat pleasegivemeyourreasons whatmakesyouthinkso ithink because of as since ithink first second iagree don tagree because ibelieve