蔡基刚 学术英语unit1答案

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

2、Thereisabigproportionofrespondentswhosupporttocontinuetheproductionofnuclearpower.3.Massmediaplaysaveryimportantroleinthemisunderstandingofradiation.4.AschoolprogramshouldbedesignedtoanalyzingeverydayconceptionsaboutradiationNo.MainIdeasPara.1-5Radiationhasbeenviewedasaserio

3、usthreattohealthandhenceasourceoffear.1Theinvestigationhasbeenconductedforthreereasons2Teachersandmassmediaareabigsourceofpeople’sknowledgeofradiation3Theobjectiveistostudythegeneralpeople’sunderstandingofradiation.4270Freshmenarechosenfortworeasons56-10Mostpeople,especially

4、women,answeredthequestions6Mostquestionswereopen-endedwithreal-lifeexamples.7Theanswerswerecategorizedandcoded.8Apointsystemwasdevelopedtomeasuretherespondents’levelofunderstanding.9Mostrespondentsknewtheradiationtypesbutfailtoknowradioactivedecayandabsorptionofradiation.101

5、1-15Respondentshaddifficultydistinguishingbetweenradiationandradioactivematerials.11Therewasgeneralmisunderstandingabouttheconceptofthehalf-life12Therewasalackofknowledgeabout“absorptionofradiation”amongrespondents13Therewasconfusionaboutthesourceofradiationamongrespondents1

6、4Respondentswereawareoftheeffectofradiationonhealth.1516-20Menandwomenhadsameknowledgeofradiation.16Althoughrespondentsknewtheharmfulhealtheffectsofradiation,buthadalittleunderstandingoftheconceptofradiation,17Respondentsfearedtheexposureofradiationfromnuclearpowerandnuclear

7、submarines.18Therewasabigproportionofrespondentswhosupporttocontinuetheproductionofnuclearpower.19FearofradiationfromnuclearpowerwasstillpopularinNorwegians.2020-25Mostrespondentsfearedthecontaminationofnuclearwaste21Womenweremoreworriedthanmenaboutradiationandnuclearpower.2

8、2Massmediatendstoinfluencepeople’sjudgmentandeverydayconception.23Everydayc