The New Interchange Intro CD-ROM provides enjoyable activities for users of the course to do on their own at home or at their schools self-study center."It is designed to review and practice the language learned in class."Each of the 16 units contains a video sequence from the New Interchange Intro Video and a range of engaging activities to practice reading, listening, grammar, usage, vocabulary and speaking."There also four progress tests and a glossary of key words with definitions.