Unit 1 Introductions and Greetings介绍与问候 Unit 2 Running Into Old Friends遇到故友 Unit 3 Saying Thanks致谢 Unit 4 Apologizing致歉 Unit 5 Saying Goodbye道别 Unit 6 Complimenting夸赞 Unit 7 Emotions情感 Unit 8 Weather天气 Unit 9 Transportation交通 Unit 10 Directions问路 Unit 11 Food饮食 Unit 12 Health健康 Unit 13 Traveling旅游 Unit 14 Shopping购物 Unit 15 Study Abroad出国留学 Unit 16 Work工作 Unit 17 Love恋爱 Unit 18 Holidays and Festivals节日 Unit 19 Fashion流行 Unit 20 Entertainment休闲
