Exploremos los calendarios (Exploring Calendars)

Presents a variety of information on snakes, including the reproduction, the predators of the snake, and other behaviors of the snake.

Cumpleaños feliz, de Roxana Popelka, es una antología de poemas escritos y publicados a lo largo de veinte años (1989-2009). En ella reúne una colección de textos con múltiples registros e interpretaciones que ha ido trazando desde 1989. Desde los poemas postmodernos de su primera etapa (“Pesadilla Roja”, “Caballos de carreras”); pasando por los textos aforísticos (“Moscas”, “No hay nada que recordar”); hasta los más alejados de las convenciones poéticas y conscientemente políticos de su tercera etapa (“Pequeñas comodidades”, “Mis vecinos”). Por último,...

Manifest Destiny the name given in the 1840s to a belief that the coast-to-coast expansion of the United States was both inevitable and justified, regardless of the means. Standing in the way were not only the native populations, but also the descendants of Spanish settlers who had lived in the Southwest for centuries. The racist belief that white men rightfully should expand their institutions into the area brought the United States into conflict with Mexico. War was declared in 1846, and by the time the Treaty of Guadalupe Hidalgo was signed in 1848, ending the war, the US had gained...

Material para el alumno que sirve de apoyo al libro del alumno, para afianzar los conocimientos adquiridos en dicho libro. Ofrece una serie variada de ejercicios de refuerzo.