Ondas sonoras y la comunicación (Sound Waves and Communication)

"Carlitos writes a letter to the Three Kings asking for lots of presents. Later, he decides to write a new letter and gives up some of the things in his wish list in exchange for a bigger gift for his older brother, who is teaching him how to ride a bike and lets him use his own big kid's bike. At the end, everyone wins...! Contains an informative section about Christmas and Three Kings Day."

Packed with lively illustrations and fascinating flaps, this book is bursting to reveal amazing secrets."

Young readers will learn the ways that César Chávez fought to protect the rights and lives of migrant workers in this inspiring Spanish-translated biography that gives history behind protests and developments of unions that Chávez led. Vivid images and an interesting timeline of Chávez's life work in conjunction with supportive text and a helpful glossary, table of contents, and index to engage readers from cover to cover.

¿Problemas con la sintaxis y la morfología? El análisis de oraciones no tendrá secretos para ti después de practicar con estos 99 ejercicios resueltos hasta el más mínimo detalle.Si quieres dominar de forma rápida y sencilla todo lo que necesitas sobre el análisis morfosintáctico de oraciones, ¡ésta tu guía! La autora es una psicóloga experta en el tratamiento de dificultades del aprendizaje con una amplia experiencia docente. CONTENIDO 10 Preguntas de clasificación de oraciones según la actitud del hablante. 10 Preguntas de análisis morfológico de oraciones. 79 Preguntas de ...