Lesson 1 4 ST 01-05: to make a mistake, the surface, vaccine, the hypothesis, device…..equivocarse, la superficie, vacuna, la hipótesis, dispositivo.
Lesson 2 4 ST 06-10: to manage / to achieve / to accomplish, to keep in mind, gadget / device, the stem cell, evidence…..lograr, tener en cuenta, aparato, célula madre, evidencia.
Lesson 3 4 ST 11-15: to ring, to dream, to make a decision, the hacker, to log on, to log off….. sonar, soñar, tomar una decisión, el pirata, conectarse, desconectarse.
Lesson 4 4 ST 16-20: full, the computer (O), the computer (C), to produce (unwanted) smoke, dat, to enter data…..lleno, el ordenador, la computadora, echar humo, dato, ingresar datos.
Lesson 5 4 ST 21-25: heavy, to get / to obtain, I get / I obtain, to advance, the advance…..pesado, conseguir, consigo, avanzar, el avance.
Lesson 6 4 ST 26-30: empty, to finish / to carry out / to bring about, to question / to wonder, a question, to facilitate, to analyze….. vacío, llevar a cabo, preguntarse, una pregunta, facilitar, analizar.
Lesson 7 4 ST 31-35: often, to do it again, to compose, composed, well…, decomposed….. a menudo, volver a hacerlo, componer, compuesto, pues, descompuesto.
Lesson 8 4 ST 36-40: advantage, window, to dimisnish, code of ethice, the current situation….. ventaja, desventaja, disminuir, el código de ética, la situación actual.
Lesson 9 4 ST 41-45: factory, useful, useless, the ethics, to access….. fábrica, útil, inútil, ética, accede.
Lesson 10 4 ST 46-50: file, light (weight), computer printer, to print, innovative….. archivo, ligero, impresora, imprimir, innovador.