最新科技英语写作语法错误举例ppt课件.ppt

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1、科技英语写作语法错误举例1      Subject-VerbAgreements例1Applicationofthistechniquetostudiesonphytoplanktonbiomassanditsenvironmentsaredescribed.[说明]Thesubjectis“application”,whichissingular.Applicationofthistechniqueto…isdescribed.Sometimes,twosingularsubjectsjoinedby“and”causethiserror.例2Gr

2、owthandisolationofM13viruswasdescribed→GrowthandisolationofM13virusweredescribed.Exception:Asubjectthatispluralinformbutsingularineffecttakesasingularverb.例3Thenameandaddressofeachcontributorisgivenonthetitlepage.例4Researchanddevelopmentisattractingagrowingnumberofyoungscientist

3、s.例9Experimentaldatathatweobtainedarecomparedwithpreviouslyreportedresults.[说明]Referstothedataasindividualresults.例10Afterthedataaredistributed,wecanmeettodiscussthem.→Afterthedataisdistributed,wecanmeettodiscussit.[说明]Referstothewholecollectionofdataasoneunit.例11Noneofthesample

4、swassoluble.→Noneofthesamplesweresoluble.[说明]Referstoindividuals.例12Thisgroupofworkersarewellawareoftheirresponsibilities.→Thisgroupofworkersiswellawareofitsresponsibilities.[说明]Referstothegroupasaunit.Unitsofmeasurementaretreatedascollectivenounsandthereforetakeasingularsubject

5、.例13Themixturewasstirred,and5mLofdiluentwereadded.→Themixturewasstirred,and5mLofdiluentwasadded.例14FivegramsofNaCLwereaddedtothesolution.→FivegramsofNaCLwasaddedtothesolution.例15Threeweeksareneededtocompletetheexperiment.→Threeweeksisneededtocompletetheexperiment.Compoundsubject

6、scontainingthewords“each”,“every”,and“everybody”maytakesingularverbs.例16Eachflaskandeachholderwassterilizedbeforeuse.Bothcomponentsofthecompoundsubjectmustcontainthewordsinquestion.Otherwise,theverbmustbeplural.例17Eachstudentandalloftheprofessorswereinvited.RestrictiveandNonrest

7、rictiveClausesWhenaclauseinacompoundsentenceisrestrictive,theclauseisnecessarytothesenseofthesentence,thesentencewouldbecomepointlesswithouttheclause.Restrictiveclausesarebestintroducedby“that”,not“which”.例18Itwasnecessarytofinedablockinggroupwhichwouldreactwiththeaminogroupbutn

8、otwiththehydroxyl.→Itwasnecessarytofinedablocki