SuperMemo Extreme English
Extreme English! contains over 45,000 English words and phrases, including basic vocabulary (Basic English collections in various language versions), technical and scientific vocabulary (Advanced English), and highly advanced vocabulary required on college exams in the United States (Power Words!).
Words and phrases in Extreme English! are presented in the form of questions and answers. In the Basic English collections, your task is to give the English translation of a phrase which is presented in German, English, Czech, Russian, Polish or Finnish, depending on your chosen language version.
