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1、考研英语阅读精讲（5）2010-09-26来源:www.putclub.com【大中小】点击:932评论：0条投稿分享到人人 划词已开启Theanimaldissectionrequirementofbiologyclasseshasbeengettingundertheskinofstudentsforgenerations,andtherehavealwaysbeensomewhoaskedtobeexcusedfromtherequirement.Now,agrowingnumberoftechnologicalalternativesaremakingitpossibleforstud
2、entstoswapthatscalpelforacomputermouse.Therearelawsinnearlyadozenstates—includingCalifornia,Florida,NewJersey,andNewYork—protectingastudent'schoicetolearnaboutanimalanatomysansscalpel.Somestudentschoosingtooptoutfeelweshouldbekindertoourweb-footedfriends.Othersarejustqueasyatthethoughtofrubberyfrogb
3、odiesandthesmellofformaldehyde."Dissectionisicky.There'sayuckfactor,"admitsBrianShmaefsky,aboardmemberwiththeNationalAssociationofBiologyTeachers."Andateacherhastoweighthebenefitswiththecostofstudentsbeingoffendedtothepointthatitinterfereswithlearning."Virtualblades.Soforcasesinwhicharealdissectionw
4、ouldbetooslimy,it'stimetotrysometoadtech.Whilethefirstcomputer-basedalternativestodissectionemergedinthe1980s,modernfrogdissectionsoftwarecanbefoundatdifferentwebsites.Thesesoftwareprogramsusecreativeclicking,high-poweredzoomfunctions,andvideoclipstoteachanatomy.Frogutssoftware,forexample,letsstuden
5、tstraceincisionlineswithacomputermouseandsnipthroughskinwithavirtualblade.Thereareevensoundeffectslikea"slish"forslicingfrogflesh,ora"shwoosh"forpinningdownskinflaps.(Schoolscurrentlypayabout$300foraone-yearsoftwarelicense,thoughsomeorganizationswilllendprogramsoutfreeofcharge.)Earlierthisyear,agrad
6、uatestudentfromSimonFraserUniversityinVancouverdesignedthefirst-everhaptic(theGreekwordfor"touch")frogdissectionprogram,whichusesapenliketooltocreateasensationsimilartocuttingintorealflesh.Thehand-helddeviceconnectstoacomputer,andstudentsmovethedevicethroughtheairwhilewatchingtheresultsoftheiraction
7、sonacomputerscreen.WithDigitalFrog—apopularprogramthat'shadapproximately1,500frogdemodownloadssinceJanuaryandiscurrentlyinusein2,000schools—studentscanaddorsubtractthoseamphibiousorganswithameremousec
