学术英语(理工)_Unit_5.ppt

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1、学术英语理工AcademicEnglishforScienceandEngineeringUnitContents1Definition2Twotypesofresearchpaper3Writinganintroduction4Writingthebodyofasecondaryresearchessay5Writingthebodyofaprimaryresearchessay6Writingadiscussionor/andconclusion7Writinganabstract8Writingareferencelist9Academicwritingstyle10

2、Proofreading11ListeningUnit5WritinganAcademicEssay1DefinitionTask1Text15GeneticallyModifiedFoods—FeedtheWorld?Text16InfluenceofGeneticallyModifiedSoyaontheBirthWeightandSurvivalofRatPupsText17ClinicalRiskAssessmentofGMFoodsTask2Unit5WritinganAcademicEssay1Text15isanordinaryessaywhilete

3、xt16and17areresearcharticles.2Forexample,Text16and17usemanypreviousfindingsandhavetheirabstractsandreferencelists,allofwhichText15lacks.Unit5WritinganAcademicEssay1DefinitionUnit5WritinganAcademicEssayAdditionalquestionsforyourunderstandingofText151Definition1Whatdoes“thegeneticisoutof

4、thebottle”meanaccordingtotheauthor?Theauthormeansthatinfact,geneticallymodifiedfoodsarealreadyverymuchapartofourlives.AdditionalquestionsforyourunderstandingofText152Howcanbiotechhelp?Biotechnologistshavedevelopedgeneticallymodifiedricethatisfortifiedwithbetacarotene—whichthebodyconvertsin

5、tovitaminA—andadditionaliron,andtheyareworkingonotherkindsofnutritionallyimprovedcrops.Biotechcanalsoimprovefarmingproductivityinplaceswherefoodshortagesarecausedbycropdamageattributiontopests,drought,poorsoil,andcropviruses,bacteriaorfungi.Unit5WritinganAcademicEssay1DefinitionAdditiona

6、lquestionsforyourunderstandingofText153Whydoestheauthorthinkthatbiotechisfarfromthewholeanswer?Indevelopingcountries,lostcropsareonlyonecauseofhunger.Povertyplaysthelargestrole.Unit5WritinganAcademicEssay1DefinitionEnhancingyouracademiclanguageMatchthewordswiththeirdefinitions.5——c10——d1

7、——b2——i3——e4——f6——h7——g8——a9——jUnit5WritinganAcademicEssay1DefinitionEnhancingyouracademiclanguageCompletethefollowingexpressionsorsentences.1(基因上地)engineering2advantages(比……重要)disadvantagesgreatly3(基础设施)construction4(统计)analysis5willsoon(解决)allthedifficulti