英语研究论文读写教程Unit-4-课后练习答案

Unit4VocabularyandLanguageLearningSkills1.12345678dbfaheag2.1motivated2explore3overcome4conducted5significant6proposed7attributableto8accountedforWritingFocusTaskOne1.Thefollowingillustratethecodingsystems:2.Answersmayvary.3.AlistofthearticlesstudiedcanbefoundinAppendixA.TaskTwoOmittedTaskThreeThethirdisbetter.Thefirstoneisaverylongandwordydescriptionofacommon,simpleprocedure.Itischaracterizedbysingleactionspersentenceandlotsofunnecessarydetails.Inthesecondonealltheimportantinformationisgiveninasingle,concisesentence.Inthethirdone,theauthorassumesthereaderhasbasicknowledgeofmicrobiologicaltechniquesandhasdeletedothersuperfluousinformation.TaskFourOmitted