ǰ�� Unit 1 The Internet Section 1 Warming up Section 2 Listening Section 3 Speaking Section 4 Reading Section 5 Writing Section 6 Grammar����Cardinal Numbers and Ordinal Numbers Section 7 Exercises Unit 2 The Olympic Games Section 1 Warming up Section 2 Listening Section 3 Speaking Section 4 Reading Section 5 Writing Section 6 Grammar����Preposition Section 7 Exercises Unit 3 Beautiful Cities Section 1 Warming up Section 2 Listening Section 3 Speaking Section 4 Reading Section 5 Writing Section 6 Grammar����The Classification of Verbs Section 7 Exercises Unit 4 Transportation Section 1 Warming up Section 2 Listening Section 3 Speaking Section 4 Reading Section 5 Writing Section 6 Grammar����The Usage of Infinitive Section 7 Exercises Unit 5 Environmental Protection Section 1 Warming up Section 2 Listening Section 3 Speaking Section 4 Reading Section 5 Writing Section 6 Grammar����Imperative Sentence Section 7 Exercises Unit 6 Asking and Directing the Way Section 1 Warming up Section 2 Listening Section 3 Speaking Section 4 Reading Section 5 Writing Section 6 Grammar����Exclamatory Sentence Section 7 Exercises Unit 7 Education is Important Section 1 Warming up Section 2 Listening Section 3 Speaking Section 4 Reading Section 5 Writing Section 6 Grammar����Relative Clause Section 7 Exercises Unit 8 Job Hunting Section 1 Warming up Section 2 Listening Section 3 Speaking Section 4 Reading Section 5 Writing Section 6 Grammar Object Clause Section 7 Exercises