初中英语Lesson 5 Virtual LearningVIP免费

初中英语Lesson5VirtualLearningKeywords:1.virtual虚拟的2.dissection解剖3.formaldehyde甲醛4.identify辨认，认出5.bullfrog牛蛙6.screen屏幕7.lung肺8.laptopcomputers手提电脑Exercises:I.Fillintheblankswiththewordsyouhaveheardfromthereport.1.Manypeople________thedayinschoolwhentheyhadto________upadeadfrog.Studentsoften________thisdissectionasa________forbiology________.2.Butsomeschoolsno________requirestudentstocut________frogs.Costmaybean________.Also,animal________activistsmay________.3.Several________later,thefrogis________.Thenextstepsareto________and________theheart,lungsandotherorgans.4.Lastyear,Maine________aplantobecomethefirststateto________laptop________toeachofitsmiddleschool________andteachers.5.Andtheideais________.Michigan,forexample,has________tospendtwenty-two-milliondollarsforlaptopor________computersfor________graders.II.Completethestatementswiththeinformationyouhaveheardfromthereport.1.Thestudentsremoveandidentifytheorgansaspartof________.2.First,theimageofawholebullfrogappearsonthescreen.________withclicksoftheircomputermouse.3.Someschoolscannotsendtheirstudentsto________.4.Butchildrencanstill“visit”zooanimals,________bycomputer.5.Otherteacherssaythecomputerissimplyanothertoolthat________.VirtualLearningThisisSteveEmberwiththeOVASpecialEnglishEducationReport.Manypeoplerememberthedayinschoolwhentheyhadtocutupadeadfrog.Studentsoftenperformthisdissectionasarequirementforbiologyclass.Asmellychemical,formaldehyde,preservesthebodyofthefrog.Thestudentsremoveandidentifytheorgansaspartoflearningaboutthescienceoflife.Butsomeschoolsnolongerrequirestudentstocutapartfrogs.Costmaybeanissue.Also,animalrightsactivistsmayobject.Today,moreandmorestudentslearnaboutfrogsbycomputer,through“virtualdissection”.AcompanycalledFrogutssellseducationalservicestoschools.ButitalsooffersafreedemonstrationonitsWebsite.First,theimageofawholebullfrogappearsonthescreen.Usersofthesitedirectcuttingtoolswithclicksoftheircomputermouse.Linesshowwheretocut.Severalstepslater,thefrogisopen.Thenextstepsaretoremoveandidentifytheheart,lungsandotherorgans.TheWebsiteisfroguts.com.That’sspelledf-r-o-g-u-t-s.Someeducatorspraisevirtualdissection.Otherssaynothingcanreplacetherealthing.Othervirtualactivitiesarealsoincreasinglypopularinschools.Someschoolscannotsendtheirstudentstoplaceslikemuseumsandzoos.Distanceandmoneymaypreventthem.Butchildrencanstill“visit”zooanimals,museumcollectionsandhistoricplacesbycomputer.Lastyear,Mainelaunchedaplantobecomethefirststatetoprovidelaptopcomputerstoeachofitsmiddleschoolstudentsandteachers.MaineisasmallNortheasternstatewhich,likemanyotherstates,isfacingbudgettroubles.Butnowseventhandeighthgradersandtheirteachersinmorethantwo-hundred-fortyschoolshavethesewirelesscomputers.Andtheideaisspreading.Michigan,forexample,hasstartedtospendtwenty-two-milliondollarsforlaptoporhandheldcomputersforsixthgraders.Schoolscangetthecomputersiftheycanpaytwenty-fivedollarsforeachstudent.Yetsuchplanshavecritics,asastoryinthemagazineU.S.NewsandWorldReportnoted.Theysaythereislittleproofthatcomputersarebetterthantraditionalteachingmethods.Otherteacherssaythecomputerissimplyanothertoolthatdependsonhowitisused.ThisVOASpecialEnglishEducationReportwaswrittenbyJerilynWatson.ThisisSteveEmber.虚拟学习这里是由史蒂夫·埃博为您报道的美国之音特别英语教育报道。很多人仍记得上学时他们不得不解剖死青蛙的情形...