Unit 1 Biodiversity 1
Part Ⅰ Phonetics:Intonation and Sense Group(语调和意群) 2
Part Ⅱ Useful Sentences in Speaking 3
Part Ⅲ Group Discussion 7
Part Ⅳ Class Survey 10
Unit 2 Love 13
Part Ⅰ Phonetics:Word Stress(词重音) 14
Part Ⅱ Useful Sentences in Speaking 15
Part Ⅲ Group Discussion 19
Part Ⅳ Class Survey 23
Unit 3 Time 27
Part Ⅰ Phonetics:Vowels(元音) 28
Part Ⅱ Useful Sentences in Speaking 29
Part Ⅲ Group Discussion 34
Part Ⅳ Class Survey 37
Unit 4 Green Business 41
Part Ⅰ Phonetics:Consonants(辅音) 42
Part Ⅱ Useful Sentences in Speaking 43
Part Ⅲ Group Discussion 48
Part Ⅳ Class Survey 50
Unit 5 Beauty 53
Part Ⅰ Phonetics:Assimilation(同化) 54
Part Ⅱ Useful Sentences in Speaking 55
Part Ⅲ Group Discussion 59
Part Ⅳ Class Survey 65
Unit 6 Cloning 69
Part Ⅰ Phonetics:Weak Forms(弱读) 70
Part Ⅱ Useful Sentences in Speaking 71
Part Ⅲ Group Discussion 75
Part Ⅳ Class Survey 80
Unit 7 Media and Culture 83
Part Ⅰ Phonetics:Linking(连读) 84
Part Ⅱ Useful Sentences in Speaking 85
Part Ⅲ Group Discussion 89
Part Ⅳ Class Survey 94
Unit 8 Development 97
Part Ⅰ Phonetics:Pronouncing-s,-ed(-s和-ed的发音) 98
Part Ⅱ Useful Sentences in Speaking 99
Part Ⅲ Group Discussion 103
Part Ⅳ Class Survey 111