Cambridge English Empower Advanced Student's Book

¡¡Aprende física!! Si quieres aprender de forma rápida y sencilla todo lo que necesitas saber sobre física, ¡ésta tu guía! La autora es una psicóloga experta en el tratamiento de dificultades del aprendizaje con una amplia experiencia docente. ÍNDICE ACÚSTICA: 1. Acústica. 2. Sonido. 3. Características del sonido. 4. Medida del sonido. 5. Frecuencia de sonido 6. Velocidad de propagación del sonido. 7. Tipos de onda: longitudinales, transversales y estacionarias. 8. Interferencia. 9. Longitud de onda. 10. Concordancia de fase. 11. Relación entre sonido y temperatura. 12. Eco....

Roberto Toledo, a teenager living in Guanajuato, is unable to get anyone in his family to talk about the disappearance of his grandfather. The arrival of Linda Toledo, a student from San Antonio, Texas, starts Roberto in search of the truth. What secret is the family hiding? Does he want to know the truth? Filmed in Guanajuato, San Miguel de Allende, and Dolores Hidalgo, Mexico, this 10-episode video is appropriate for second-year Spanish students. Each episode is approximately nine minutes in length. The VHS package contains 5 cassettes and the DVD package contains 2 discs. Each package...

Recounts the life and career of the Dominican slugger who sought the home run-hitting record, and discusses Dominican baseball and the previous and new record holders

Designed for introductory-level students, this communication manual develops practical vocabulary for everyday situations. The Fifth Edition corresponds in structure and content with Basic Spanish Grammar, 6/e, including a second Lección preliminar. In each lesson, essential vocabulary and grammatical structures are reinforced through realistic dialogues, questions, situational role-plays, and realia-based activities. The correlated audio program features up-to-date dialogues (paused and unpaused versions), vocabulary lists for each lesson, and Práctica orales corresponding to the review...