参考答案

1.pedagogy2.communication3.language4.Applied linguistics5.social factors6.indirectly

7.economic8.different9.methods10.principles11.functional12.structural

13.SVO14.descriptive15.Syntax16.external17.habit formation18.behavior

19.interplay20.universal grammar21.topic 22.one thing at a time23.communicate

24.use25.connotation or affective meaning26.Register27.hyponyms28.spelling

29.structure30.product 31.language use 32.skill33.correspondence,or:relationship

34.Sounds35.Intonation36.structure37.the grammar-translation method

38.approach39.method40.overgeneralization