Unit 1 Me and My Class Ⅲ. 1. you miss school Lesson 1 Back to School 2. 4. / Four.课前热身 3. Because it can offer a student enough energy to study.Ⅰ. 1. physics 2. same 3. recent 4. first 5. exciting 4. Here are some helpful tips. 5. 你可以举手回答问题并记下重要的东西。Ⅱ. 1. looking for 2. introduce myse...