Productos o servicios?

Presenta - 27 temas esenciales para adquirir los conocimientos gramaticales de un nivel B1. 2 apéndices, uno de formación de palabras y otro de uso de la perífrasis estar + gerundio. 1 test de autoevaluación del nivel B1.

The United States grew rapidly from the time of the Louisiana Purchase to the building of the Transcontinental Railroad. All of this expansion came at the expense of Native American populations that had either lived in the region for centuries or been forced there from ancestral homes in the East. Tribes memorably fought on their own and together in an doomed effort to retain the land and a lifestyle that had long sustained their families. This book outlines some of the major conflicts of the Westward Expansion, and of the treaties and were signed, and often broken, by representatives of the...

Pope Francis's life and ground-breaking leadership are brought to life for young readers in this lyrical and inspirational picture book biography. Spanish language edition. Jorge Bergoglio was a typical boy growing up in Buenos Aires, Argentina, jumping into pick-up soccer games and listening to lively music on the city streets. His grandma Rosa taught him the importance of doing good and inspired his passion to help others. This passion and years of hard work led him to become a Jesuit priest, a bishop, and then a cardinal. And now the world knows Jorge by a different name--Pope Francis. As...

Computer science is all around us, at school, at home, and in the community. This book gives readers the essential tools they need to understand the computer science concept of algorithms and procedures. Brilliant color photographs and accessible text will engage readers and allow them to connect deeply with the concept. The computer science topic is paired with an age-appropriate curricular topic to deepen readers' learning experience and show how algorithms and procedures work in the real world. In this book, readers learn how to use instructions to build their own drone. This nonfiction...