Interchange Intro Video is designed to review and extend the topics and language presented in the Student's Book or provide the basis for a short course.The Video contains a mix of entertaining dramatized sequences and authentic documentaries for a total of 16 different sequences. Based on the language and vocabulary in the Student 's Book, the sequences are short, free-standing, and easy to use.The full-color Video Activity Book provides pre- and post-viewing tasks for the learner. There are Follow-up and Language Close-up sections for those who want to use the Video as the basis for a short course or to review more thoroughly the contents of the Student's Book.The Video Teacher's Guide offers guidance on using the video and contains the transcripts of the sequences, which may be photocopied for student use.