Chemical Secret

    Tim Vicary

    Oxford University Press
    1991
    64 páginas
    2h 8m
    ISBN-13: 9780194226806

    This series of readers is aimed at students at 6 levels from elementary to advanced. All stages have exercises for classroom or private use, plus a glossary to help with vocabulary. This thriller, at intermediate level, concerns a research chemist who discovers a deadly pollutant.

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