Unit 1 Home and Work家庭与工作/1 Lesson 1/1 Lesson 2/7 Lesson 3/14 Lesson 4/20 Lesson 5/25 Unit 2 Food and Drink舌尖美食/30 Lesson 1/30 Lesson 2/36 Lesson 3/40 Lesson 4/46 Unit 3 Transport and Travel交通和旅行/52 Lesson 1/52 Lesson 2/57 Lesson 3/62 Lesson 4/69 Unit 4 Sports运动赛事/74 Lesson 1/74 Lesson 2/79 Lesson 3/84 Unit 5 Entertainment and Media娱乐媒体/90 Lesson 1/90 Lesson 2/96 Lesson 3/102 Unit 6 Communications and Technology科学技术/109 Lesson 1/109 Lesson 2/114 Unit 7 School and Learning校园生活/119 Lesson 1/119 Lesson 2/125 Lesson 3/132 Unit 8 Buy and Sale商业买卖/137 Lesson 1/137 Unit 9 Health and Activities身体健康/143 Lesson 1/143 Lesson 2/148 Lesson 3/153 Unit 10 Cities and Towns城市设施/159 Lesson 1/159 Lesson 2/164 Lesson 3/169 Unit 11 Environment 自然环境/173 Lesson 1/173 Lesson 2/180 Unit 12 Time and Commonly Used adj 时间和常用形容词/186 Lesson 1/186 Lesson 2/192 Lesson 3/197 附录 Answers参考答案/202
