The goal of this textbook is to improve students' levels of spoken, linguistic, and communicative competence. Graphic tutorials, such as charts, tables and structural analysis help promote acquisition of the material. This book has a system of introductory questions and tasks, as well as training exercises, preliminary and comprehensive exams. The appendices present extensive supplemental material for improving scientific and business speech, as well as answer keys and examples of various types of written documents (i.e. resumes, cover letters, official invitations, biographies, etc). This book is for students at higher education institutions and those seeking to improve their professional qualifications.