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1、第四单元参考答案1.1Pre-readingQs:1)Themethodsectionisthemostimportantaspectofaresearchpaperbecauseitprovidestheinformationbywhichthevalidityofastudyisultimatelyjudged.Therefore,theresearchermustprovideaclearandprecisedescriptionofhowanexperimentistobecarriedout,andtherationaleforthesp
2、ecificexperimentalprocedureschosen.Itmustbewrittenwithenoughinformationsothat:(1)theexperimentcouldberepeatedbyotherstoevaluatewhethertheresultsarereproducible,and(2)thereaderscanjudgewhethertheresultsandconclusionsarevalid.2)overviewoftheresearch/experiment,population/subject
3、s,researchlocation,materials,procedure,variables,samplingtechniques,statisticaltreatment,possiblerestrictions3)Whendescribingactionsandsituationsthathappenedinthepast,ortellingastoryandexpressingactionsthatfolloweachotherinastory,wenormallyusethesimplepasttense.Differenttenses
4、canbeuseddependingonreferencetothepastorrecurringpresentevents.Tosumup,themajorityofverbsareinthepast;otherformscanalsobeusedifthereisagoodreasonfordoingso.Activevoicemeansthatifthesubjectofasentenceperformstheaction,thentheverbusedtoexpressthismeaningisactive.Ifthesubjectrece
5、ivestheactionoftheverb,thentheverbispassive.Passivevoiceisnormallyusediftheagentisarbitrary,notknown,ornotimportant,andsometimes“by…”isomitted.Inthisreadingpassage,apastpassivestructureispredominant.1.3.1ResearchobjectiveInvestigateperceptionsofEnglishneedsinamedicalcontextamo
6、ngcollegestudentsinTaiwan.Researchsubjects341medicalstudentsintheDepartmentofMedicine,including97freshmen,74sophomores,90juniors,and80seniors,and20facultymembersinthemedicalprogramResearchlocationChungShanMedicalCollegeinTaichung,Taiwan,China.MaterialsTwoquestionnairesProcedur
7、eThequestionnairewasgiventothemedicalstudents.Thefacultyquestionnairewasgivento20teachers.StatisticalanalysisThedatawerecomputer-analyzedusinganSPSSprogram.41.3.2·Students’questionnaireincludedfivesectionswith23questions:1)demographicinformation2)importanceofEnglishincollegean
8、dprofessionalcareers3)perceivedlanguageskillneedsandproblems4
