Fundamentos de electro-óptica para ingenieros

Designed for use in advanced composition courses, this text helps students develop abilities in composition tasks that reflect the kind of writing students are generally asked to perform as Spanish majors and minors. This revision responds to the growing interest in the development of functional, purposeful language skills, to the findings of writing research, and to the helpful reactions of those who have used this best-selling textbook throughout the years..

The answer key is intended for use in conjunction with the paper version of the Identidades: Exploraciones e interconexiones, 3/e Student Activities Manual. Instructors may wish their students to use the Answer Key to self-correct their homework.

Adaptación ilustrada del cuento clásico de Andersen, en dos idiomas (español y tigriña), con audiolibro y vídeo en línea en español (castellano y columbiano), así como dibujos para imprimir y colorear. «Los cisnes salvajes» de Hans Christian Andersen de buena razón es uno de los cuentos más leídos del mundo. De forma atemporal enfoca temas del drama humano: miedo, valentía, amor, traición, separación y reencuentro. Esta edición es un libro cariñosamente ilustrado que relata el cuento de hadas de Andersen en una forma sensible y apropiada para los niños. ► NUEVO: ¡Con...

En Marcha is an intensive course in Spanish for beginners. Systematic and comprehensive, it takes the student from beginner's to upper intermediate level in one year. Carefully graded exercises and expert grammatical explanations are combined with lively activities and an attractive presentation to develop the four key skills of listening, speaking, reading and writing. The material is organised in 8 units, each unit introduces new language and provides a variety of activities to practise that language, with clear instructions guiding the student and regular summaries of key points. The units ...