目录: Unit 7 Work for Peace 1 课前预习区 2 课堂学习区 3 Lesson 37 3 Lesson 38 12 Lesson 39 21 Lesson 40 27 Lesson 41 33 Lesson 42 38 Unit Review 44 课后复习区 50 Unit 8 Culture Shapes Us 58 课前预习区 59 课堂学习区 60 Lesson 43 60 Lesson 44 64 Lesson 45 73 Lesson 46 79 Lesson 47 87 Lesson 48 92 Unit Review 98 课后复习区 104 Unit 9 Communication 111 课前预习区 112 课堂学习区 113 Lesson 49 113 Lesson 50 120 Lesson 51 128 Lesson 52 133 Lesson 53 140 Lesson 54 145 Unit Review 149 课后复习区 157 Unit 10 Get Ready for the Future 168 课前预习区 169 课堂学习区 170 Lesson 55 170 Lesson 56 175 Lesson 57 182 Lesson 58 187 Lesson 59 195 Lesson 60 198 Unit Review 202 课后复习区 207 答案专区 217