Unit 1
Listening In and Speaking Out 5
Reading In and Writing Out 6
Grammar Focus 9
Merry Learning 10
Unit 2
Listening In and Speaking Out 11
Reading In and Writing Out 12
Grammar Focus 15
Merry Learning 15
Unit 3
Listening In and Speaking Out 17
Reading In and Writing Out 18
Grammar Focus 20
Merry Learning 21
Unit 4
Listening In and Speaking Out 22
Reading In and Writing Out 23
Grammar Focus 26
Merry Learning 26
Unit 5
Listening In and Speaking Out 28
Reading In and Writing Out 29
Grammar Focus 32
Merry Learning 33
Test Yourself 34
Unit 6
Listening In and Speaking Out 37
Reading In and Writing Out 38
Grammar Focus 40
Merry Learning 41
Unit 7
Listening In and Speaking Out 42
Reading In and Writing Out 43
Grammar Focus 45
Merry Learning 46
Unit 8
Listening In and Speaking Out 47
Reading In and Writing Out 48
Grammar Focus 50
Merry Learning 51
Unit 9
Listening In and Speaking Out 52
Reading In and Writing Out 53
Grammar Focus 55
Merry Learning 56
Unit 10
Listening In and Speaking Out 57
Reading In and Writing Out 58
Grammar Focus 60
Merry Learning 61
Test Yourself 62
Unit 11
Listening In and Speaking Out 65
Reading In and Writing Out 67
Grammar Focus 69
Merry Learning 70
Unit 12
Listening In and Speaking Out 71
Reading In and Writing Out 72
Grammar Focus 75
Merry Learning 76
Unit 13
Listening In and Speaking Out 77
Reading In and Writing Out 78
Grammar Focus 81
Merry Learning 82
Unit 14
Listening In and Speaking Out 83
Reading In and Writing Out 85
Grammar Focus 87
Merry Learning 88
Unit 15
Listening In and Speaking Out 89
ReadingInandWritingOut 90
Grammar Focus 93
Merry Learning 94
TestYourself 95
Unit 16
Listening In and Speaking Out 97
Reading InandWritingOut 98
Grammar Focus 101
Merry Learning 107
Unit 17
Listening In and Speaking Out 103
Reading In and Writing Out 104
Grammar Focus 108
Merry Leaming 107
Unit 18
Listening In and Speaking Out 108
Reading In and Writing Out 110
GrammarFocus 112
Merry Learning 112
Unit 19
Listening InandSpeakingOut 114
Reading In and Writing Out 116
GrammarFocus 118
Merry Learning 179
Unit 20
ListeningInandSpeakingOut 120
Reading In and Writing Out 121
Grammar Focus 124
Merry Learning 125
Test Yourself 126
Vocabularv 129
Key to the Exercises 135
课文参考译文 181