Unlock is a four-level academic skills course that combines thought-provoking video from Discovery EducationTM with carefully scaffolded exercises and a fresh approach to critical thinking skills. Unlock Listening and Speaking Skills Level 1 provides 60-90 hours of classroom material. Access to the Online Workbook is provided via a code packaged with the Students Book. Critical Thinking sections give students frameworks to formulate their own opinions and express themselves effectively in the end-of-unit
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