SYSTEMATIZATION AND EXPLICATION OF LEXICAL MATERIAL IN PROFESSIONAL LANGUAGE IN GROUPS MAJORING IN NATURAL SCIENCE IN TERMS OF RUSSIAN AS A FOREIGN LANGUAGE

The methodological recommendations about selection of lexical material in professional language (chemistry) for pupils during the initial training period are provided, the consecutive instruction for systematization and introduction of the lexical material necessary for understanding of introductory texts and for the solution chemistry problems is suggested in this paper. At the end of article we give the lexical minimum in chemistry, which will be useful for the beginning teachers by preparation for lesson or when writing exercises in chemistry at teaching Russian as a foreign language.