Lesson 5-Twelve Angry Men(Part One) Warm-up Contents I. Listening materials II. About the author III. Do you know? IV Warming-up questions V. Warming-up activities W B T LEW B T L E Lesson 5 –Twelve Angry Men (Part One) Warm-up I. Listening materials  II. About the author  III.Do you know? IV. Warming-up questions  V. Warming-up activities