蔡基刚-学术英语unit1答案.doc

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1、Unit1KeywordsLaypeople,radiation,understandingObjectiveToinvestigateyoungstudents’knowledgeofradiationphenomenaandriskMethodsusedQuestionnairesandinterviews1.Althoughrespondentswereawareoftheharmfulhealtheffectsofradiation,buthadalittleunderstandingoftheconceptofradiation.2.Thereisabigpropor

2、tionofrespondentswhosupporttocontinuetheproductionofnuclearpower.3.Massmediaplaysaveryimportantroleinthemisunderstandingofradiation.4.AschoolprogramshouldbedesignedtoanalyzingeverydayconceptionsaboutradiationNo.MainIdeasPara.1-5Radiationhasbeenviewedasaseriousthreattohealthandhenceasourceoff

3、ear.1Theinvestigationhasbeenconductedforthreereasons2Teachersandmassmediaareabigsourceofpeople’sknowledgeofradiation3Theobjectiveistostudythegeneralpeople’sunderstandingofradiation.4270Freshmenarechosenfortworeasons56-10Mostpeople,especiallywomen,answeredthequestions6Mostquestionswereopen-en

4、dedwithreal-lifeexamples.7Theanswerswerecategorizedandcoded.8Apointsystemwasdevelopedtomeasuretherespondents’levelofunderstanding.9Mostrespondentsknewtheradiationtypesbutfailtoknowradioactivedecayandabsorptionofradiation.1011-15Respondentshaddifficultydistinguishingbetweenradiationandradioac

5、tivematerials.11Therewasgeneralmisunderstandingabouttheconceptofthehalf-life12Therewasalackofknowledgeabout“absorptionofradiation”amongrespondents13Therewasconfusionaboutthesourceofradiationamongrespondents14Respondentswereawareoftheeffectofradiationonhealth.1516-20Menandwomenhadsameknowledg

6、eofradiation.16Althoughrespondentsknewtheharmfulhealtheffectsofradiation,buthadalittleunderstandingoftheconceptofradiation,17Respondentsfearedtheexposureofradiationfromnuclearpowerandnuclearsubmarines.18Therewasabigproportionofrespondentswhosupporttocontinuetheproductionofnuclearpower.19Fear

7、ofradiationfromnuclearpowerwasstillpopularinNorwegians.2020-25Mostrespondentsfearedthecontaminationofnuclearwaste21Womenweremoreworriedthanmenaboutradiationandnuclearpower.22Massmediatendstoinfluencepeople’sjudgmentandeverydayconception.23Everydayc